Safely monitor speed, temperature or fill level
For the monitoring of physical variables such as speed, temperature or fill level, DOLD features speed and/or standstill monitors, temperature monitors and thermistor motor protection relays as well as level relays especially for you. The DOLD measuring relays offer you advantages such as a safe monitoring of standstills in machine with rotating parts as well as a reliable monitoring of the motor condition during increasing temperatures
Speed Monitor IK 9055

Product Overview
Advantages
- Protection of persons, machines and products
- Easy setting
- Universal input, for configuration of different sensors (PNP, NPN, 2-wire, contact, voltage)
Features
- According to IEC/EN 60255-1
- Detection of over- or underspeed or frequency, function selectable
- 3 selectable ranges for frequency or speed, adjustable tripping value
- Ranges up to 10 kHz ( 600.000 ipm) available,therefore suitable for turbines, centrifuges and similar applications
- Adjustable hysteresis
- Input also suitable for SKF sensor bearings
- As option for Namur sensors
- As option for permanent magnet sensors
- As option with adjustable switching delay/start up delay
- On request with manual reset
- IK 9055 and SK 9055: compact version for DC 24 V auxiliary supply
- IL 9055 and SL 9055: for auxiliary supply up to AC 400 V with galvanic separation to sensor input
- De-energized on trip (Energized on trip on request)
- LED indicators for auxiliary supply, sensor pulses and contact position
- 1 changeover contact (2 changeover on request)
- Devices available in 2 enclosure versions:
- IK/IL 9055: depth 59 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43 880
- SK/SL 9055: depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct
- DIN rail or screw mounting
- IK 9055, SK 9055: width 17.5 mm
IL 9055, SL 9055: width 35 mm
Datasheet Download
Standstill Monitor IK 9144

Product Overview
Features
- According to IEC/EN 60255-1
- Detection of standstill of rotating machine parts and cyclic pulses
- Detection of blocking or missing pulses
- Monitoring time adjustable between 0.1 … 20 s (others on request)
- Energized or de-energized on trip
- For input frequency up to 5 kHz( 300000 ipm)
- Universal input, suitable for a variety of sensors (PNP,NPN,2-wire, contact, voltage)
- Input also suitable for SKF sensor bearings
- As option for Namur sensors
- On request with manual reset
- IK 9144 and SK 9144: compact version for DC 24V auxiliary supply
- IL 9144 and SL 9144: for auxiliary supply up to AC 400V with galvanic separation to sensor input
- LED indicators for auxiliary supply, sensor pulses and contact position
- 1 changeover contact (2 changeover on request)
- Devices available in 2 enclosure versions:
IK/IL 9144: depth 59 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43 880
SK/SL 9144: depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct - IK 9144, SK 9144: width 17.5 mm
- IL 9144, SL 9144: width 35 mm
Datasheet Download
Speed Monitor SK 9055

Product Overview
Advantages
- Protection of persons, machines and products
- Easy setting
- Universal input, for configuration of different sensors (PNP, NPN, 2-wire, contact, voltage)
Features
- According to IEC/EN 60255-1
- Detection of over- or underspeed or frequency, function selectable
- 3 selectable ranges for frequency or speed, adjustable tripping value
- Ranges up to 10 kHz ( 600.000 ipm) available,therefore suitable for turbines, centrifuges and similar applications
- Adjustable hysteresis
- Input also suitable for SKF sensor bearings
- As option for Namur sensors
- As option for permanent magnet sensors
- As option with adjustable switching delay/start up delay
- On request with manual reset
- IK 9055 and SK 9055: compact version for DC 24 V auxiliary supply
- IL 9055 and SL 9055: for auxiliary supply up to AC 400 V with galvanic separation to sensor input
- De-energized on trip (Energized on trip on request)
- LED indicators for auxiliary supply, sensor pulses and contact position
- 1 changeover contact (2 changeover on request)
- Devices available in 2 enclosure versions:
IK/IL 9055: depth 59 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43 880
SK/SL 9055: depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct - DIN rail or screw mounting
- IK 9055, SK 9055: width 17.5 mm
IL 9055, SL 9055: width 35 mm
Datasheet Download
Standstill Monitor SK 9144

Product Overview
Features
- According to IEC/EN 60255-1
- Detection of standstill of rotating machine parts and cyclic pulses
- Detection of blocking or missing pulses
- Monitoring time adjustable between 0.1 … 20 s (others on request)
- Energized or de-energized on trip
- For input frequency up to 5 kHz( 300000 ipm)
- Universal input, suitable for a variety of sensors (PNP,NPN,2-wire, contact, voltage)
- Input also suitable for SKF sensor bearings
- As option for Namur sensors
- On request with manual reset
- IK 9144 and SK 9144: compact version for DC 24V auxiliary supply
- IL 9144 and SL 9144: for auxiliary supply up to AC 400V with galvanic separation to sensor input
- LED indicators for auxiliary supply, sensor pulses and contact position
- 1 changeover contact (2 changeover on request)
- Devices available in 2 enclosure versions:
IK/IL 9144: depth 59 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43 880
SK/SL 9144: depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct - IK 9144, SK 9144: width 17.5 mm
- IL 9144, SL 9144: width 35 mm
Datasheet Download
Speed Monitor MK 9055N

Product Overview
Advantages
- Protection of persons, machines and products
- Easy setting
- Universal input, for configuration of different sensors (PNP, NPN, 2-wire, contact, voltage)
- With fast reaction at low speed
Features
- According to IEC/EN 60255-1
- Detection of high or low-rpm / stand still (adjustable function)
- Large setting range 1 … 120.000 IPM or 0.15 … 20.000 Hz (10 ranges each)
- As option with input for NAMUR-sensors with sensor and wire protection against interruption and short circuit
- Adjustable hysteresis 0.5 … 50 %
- Adjustable start up time delay 0 … 50 s, control with external contact
- Adjustable monitoring time for missing input signal at function overfrequency; additional using as standstill level
- Programmable via termminals:
– Alarm delay of 0 … 100 s
– with manual reset or auto reset - LED-indication for auxiliary voltage, measuring input and output relay; additional LED for indication of wire- / sensor failure at NAMUR-input
- Auxiliary voltages AC 230 V and DC 24 V in one unit
- 2 changeover contacts, closed circuit operation
- Open circuit operation on request
- As option with analogue output, proportionally to speed
- Device available with 2 response values and seperately controlled output relays for under- and overfrequency see MK 9055N/5_ _
- MH 9055 with wide input range for auxiliary voltage (AC/DC 24 …60 V or AC/DC 110 …230 V)
- 2 possible compact designs
MK 9055N: Width 22,5 mm
MH 9055: Width 45 mm
Datasheet Download
Speed monitor MK 9055N/5_

Product Overview
Advantages
- Protection of persons, machines and products
- Easy setting
- Universal input, for configuration of different sensors (PNP, NPN, 2-wire, contact, voltage)
- With fast reaction at low speed
Features
- According to IEC/EN 60255-1
- Monitoring of 2 frequency levels (e.g. underspeed / standstill and overspeed)
- Separate relay outputs for under- and overfrequency (1 or 2 c/o contacts each)
- As alternative window operating mode (monitoring of a speed range)
- Response value for over- and underspeed / frequency separately adjustable in 10 ranges 1 … 120.000 IPM or 0,15 … 20.000 Hz
- Most fast reaction time also at low speed by time period measurement of the input frequency
- As option with input for NAMUR-sensors with sensor and wire protection against interruption and short circuit
- Programmable via termminals:
– Start up time delay 0 … 50 s or controllable
– Alarm delay time of 0 or 0.5 s
– With manual reset or auto reset - LED-indication for auxiliary voltage, measuring input and output relay; additional LED for indication of wire- / sensor failure at NAMUR-input
- Auxiliary voltages AC 230 V and DC 24 V in one unit
- MH 9055 with wide input range for auxiliary voltage AC/DC 24 … 60 V or AC/DC 110 … 230 V (only 2 x 1 C/O)
- As option with analogue output, proportionally to speed
- 2 possible contacts
MK 9055N/5_ _ 2 x 1 changeover contacs
MH 9055/5_ _: 2 x 2 hangeover contacs or wide range aux. voltage - 2 possible compact designs
MK 9055N/5_ _: Width 22,5 mm
MH 9055/5_ _: Width 45 mm
Datasheet Download
Sensorless Standstill Monitor UG 9146

Product Overview
Advantages
- Fast reaction time
- Easy to retrofit
- No external sensors necessary
Features
- According to EN 60 255-1
- Standstill detection on 3- and single-phase motors
- Independent of direction
- Broken wire detection
- Forcibly guided safety contacts:
– 2 NO contacts for AC 250 V
– 1 NC contact for DC 24 V - Adjustable voltage setting
- Adjustable standstill time delay
- LED indicators for standstill, event of line breakage and operation voltage
- Suitable for operation with inverters
- Removable terminal strips:
– UG 9146 PS: plug in screw terminals
– UG 9146 PC: plug in cage clamp terminals - Width: 22.5 mm
Datasheet Download
Speed Monitor IL 9055

Product Overview
Advantages
- Protection of persons, machines and products
- Easy setting
- Universal input, for configuration of different sensors (PNP, NPN, 2-wire, contact, voltage)
Features
- According to IEC/EN 60 255-1
- Detection of over- or underspeed or frequency, function selectable
- 3 selectable ranges for frequency or speed, adjustable tripping value
- Ranges up to 10 kHz ( 600.000 ipm) available,therefore suitable for turbines, centrifuges and similar applications
- Adjustable hysteresis
- Input also suitable for SKF sensor bearings
- As option for Namur sensors
- As option for permanent magnet sensors
- As option with adjustable switching delay/start up delay
- On request with manual reset
- IK 9055 and SK 9055: compact version for DC 24 V auxiliary supply
- IL 9055 and SL 9055: for auxiliary supply up to AC 400 V with galvanic separation to sensor input
- De-energized on trip (Energized on trip on request)
- LED indicators for auxiliary supply, sensor pulses and contact position
- 1 changeover contact (2 changeover on request)
- Devices available in 2 enclosure versions:
- IK/IL 9055: depth 59 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43 880
- SK/SL 9055: depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct
- DIN rail or screw mounting
- IK 9055, SK 9055: width 17.5 mm
IL 9055, SL 9055: width 35 mm
Datasheet Download
Standstill Monitor IL 9144

Product Overview
Features
- According to IEC/EN 60255-1
- Detection of standstill of rotating machine parts and cyclic pulses
- Detection of blocking or missing pulses
- Monitoring time adjustable between 0.1 … 20 s (others on request)
- Energized or de-energized on trip
- For input frequency up to 5 kHz( 300000 ipm)
- Universal input, suitable for a variety of sensors (PNP,NPN,2-wire, contact, voltage)
- Input also suitable for SKF sensor bearings
- As option for Namur sensors
- On request with manual reset
- IK 9144 and SK 9144: compact version for DC 24V auxiliary supply
- IL 9144 and SL 9144: for auxiliary supply up to AC 400V with
- galvanic separation to sensor input
- LED indicators for auxiliary supply, sensor pulses and contact position
- 1 changeover contact (2 changeover on request)
- Devices available in 2 enclosure versions:
IK/IL 9144: depth 59 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43 880
SK/SL 9144: depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct - IK 9144, SK 9144: width 17.5 mm
IL 9144, SL 9144: width 35 mm
Datasheet Download
Speed Monitor SL 9055

Product Overview
Advantages
- Protection of persons, machines and products
- Easy setting
- Universal input, for configuration of different sensors (PNP, NPN, 2-wire, contact, voltage)
Features
- According to IEC/EN 60255-1
- Detection of over- or underspeed or frequency, function selectable
- 3 selectable ranges for frequency or speed, adjustable tripping value
- Ranges up to 10 kHz ( 600.000 ipm) available,therefore suitable for turbines, centrifuges and similar applications
- Adjustable hysteresis
- Input also suitable for SKF sensor bearings
- As option for Namur sensors
- As option for permanent magnet sensors
- As option with adjustable switching delay/start up delay
- On request with manual reset
- IK 9055 and SK 9055: compact version for DC 24 V auxiliary supply
- IL 9055 and SL 9055: for auxiliary supply up to AC 400 V with galvanic separation to sensor input
- De-energized on trip (Energized on trip on request)
- LED indicators for auxiliary supply, sensor pulses and contact position
- 1 changeover contact (2 changeover on request)
- Devices available in 2 enclosure versions:
IK/IL 9055: depth 59 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43 880
SK/SL 9055: depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct - DIN rail or screw mounting
- IK 9055, SK 9055: width 17.5 mm
IL 9055, SL 9055: width 35 mm
Datasheet Download
Standstill Monitor SL 9144

Product Overview
Features
- According to IEC/EN 60255-1
- Detection of standstill of rotating machine parts and cyclic pulses
- Detection of blocking or missing pulses
- Monitoring time adjustable between 0.1 … 20 s (others on request)
- Energized or de-energized on trip
- For input frequency up to 5 kHz( 300000 ipm)
- Universal input, suitable for a variety of sensors (PNP,NPN,2-wire, contact, voltage)
- Input also suitable for SKF sensor bearings
- As option for Namur sensors
- On request with manual reset
- IK 9144 and SK 9144: compact version for DC 24V auxiliary supply
- IL 9144 and SL 9144: for auxiliary supply up to AC 400V with galvanic separation to sensor input
- LED indicators for auxiliary supply, sensor pulses and contact position
- 1 changeover contact (2 changeover on request)
- Devices available in 2 enclosure versions:
IK/IL 9144: depth 59 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43 880
SK/SL 9144: depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct - IK 9144, SK 9144: width 17.5 mm
- IL 9144, SL 9144: width 35 mm
Datasheet Download
Speed Monitor BA 9055

Product Overview
Features
- According to IEC/EN 60255-1
- Detection of
– Underspeed
– Overspeed
– Standstill - Adjustable response value
- BA 9055 with adjustable start-up delay
- AA 9050 with adjustable hysteresis
- Width 45 mm
Datasheet Download
Standstill Monitor BD 5936

Product Overview
Advantages
- Standstill monitoring without sensor
Features
- According to IEC/EN 60255-1, IEC/EN 60255-26
- For standstill monitoring of 3- and 1-phase asynchronous motors
- Line breakage detection in the measurement circuit
- Forcibly guided output contacts:
2 NO, 2 NC contacts for 250 V AC - LED indicators for motor standstill, line breakage and
operating voltage - Wire connection: also 2 x 1.5 mm2 stranded ferruled (isolated),
DIN 46 228/-1/-2/-3/-4 or
2 x 2.5 mm2 stranded ferruled DIN 46 228-1/-2/-3 - Width 45 mm
Datasheet Download
Speed Monitor MH 9055

Product Overview
Advantages
- Protection of persons, machines and products
- Easy setting
- Universal input, for configuration of different sensors (PNP, NPN, 2-wire, contact, voltage)
- With fast reaction at low speed
Features
- According to IEC/EN 60255-1
- Detection of high or low-rpm / stand still (adjustable function)
- Large setting range 1 … 120.000 IPM or 0.15 … 20.000 Hz (10 ranges each)
- As option with input for NAMUR-sensors with sensor and wire protection against interruption and short circuit
- Adjustable hysteresis 0.5 … 50 %
- Adjustable start up time delay 0 … 50 s, control with external contact
- Adjustable monitoring time for missing input signal at function overfrequency; additional using as standstill level
- Programmable via termminals:
– Alarm delay of 0 … 100 s
– with manual reset or auto reset - LED-indication for auxiliary voltage, measuring input and output relay; additional LED for indication of wire- / sensor failure at NAMUR-input
- Auxiliary voltages AC 230 V and DC 24 V in one unit
- 2 changeover contacts, closed circuit operation
- Open circuit operation on request
- As option with analogue output, proportionally to speed
- Device available with 2 response values and seperately controlled output relays for under- and overfrequency see MK 9055N/5_ _
- MH 9055 with wide input range for auxiliary voltage (AC/DC 24 … 60 V or AC/DC 110 … 230 V)
- 2 possible compact designs
MK 9055N: Width 22,5 mm
MH 9055: Width 45 mm
Datasheet Download
Speed monitor MH 9055/5_

Product Overview
Advantages
- Protection of persons, machines and products
- Easy setting
- Universal input, for configuration of different sensors (PNP, NPN, 2-wire, contact, voltage)
- With fast reaction at low speed
Features
- According to IEC/EN 60255-1
- Monitoring of 2 frequency levels (e.g. underspeed / standstill and overspeed)
- Separate relay outputs for under- and overfrequency (1 or 2 c/o contacts each)
- As alternative window operating mode (monitoring of a speed range)
- Response value for over- and underspeed / frequency separately adjustable in 10 ranges 1 … 120.000 IPM or 0,15 … 20.000 Hz
- Most fast reaction time also at low speed by time period measurement of the input frequency
- As option with input for NAMUR-sensors with sensor and wire protection against interruption and short circuit
- Programmable via termminals:
– Start up time delay 0 … 50 s or controllable
– Alarm delay time of 0 or 0.5 s
– With manual reset or auto reset - LED-indication for auxiliary voltage, measuring input and output relay; additional LED for indication of wire- / sensor failure at NAMUR-input
- Auxiliary voltages AC 230 V and DC 24 V in one unit
- MH 9055 with wide input range for auxiliary voltage AC/DC 24 … 60 V or AC/DC 110 … 230 V (only 2 x 1 C/O)
- As option with analogue output, proportionally to speed
- 2 possible contacts
MK 9055N/5_ _ 2 x 1 changeover contacs
MH 9055/5_ _: 2 x 2 hangeover contacs or wide range aux. voltage - 2 possible compact designs
MK 9055N/5_ _: Width 22,5 mm
MH 9055/5_ _: Width 45 mm
Datasheet Download
Level Sensing Relay MK 9151

Product Overview
Features
- According to IEC/EN 60255-1
- 3 probe connections for 2-point and 1-point level control
- Also for use as moisture detector
- High interference resistance of the measuring circuit, which is isolated from the mains
- Max. wire length to the probes: 1500 m
- Large setting range: 2 … 450 kΩ this permits differentiation between fluid and foam
- Adjustable response and release time delay: 0.2 … 20 s
- Programmable for open circuit operation (without bridge) or closed circuit operation(bridge X1-X2 or X1-COM)
- For auxiliary voltages of 24 … 415 V AC or 24 V DC
- Green LED for operation
- Yellow LED for contact position
- 1 or 2 changeover contacts
- Also available with sealable transparent cover
- Available with safe separation according to IEC/EN 61140, IEC/EN 60947
- Width 22.5 mm
Datasheet Download
Level Sensing Relay MK 9151N

Product Overview
Features
- According to IEC/EN 60255-1
- 3 probe connections for 2-point and 1-point level control
- Also for use as moisture detector
- High interference resistance of the Measuring Circuit, which is isolated from the mains
- Max. wire length to the probes: 3000 m
- Large setting range: 2 … 450 kΩ this permits differentiation between fluid and foam
- Separately adjustable response and release time delay 0.2 … 20 s for MIN- and MAX-level
- Programmable for:
– 2 separate controllable output relays for MIN and MAX level
– Common controlled output relays for 2-point hysteresis level control
– Open circuit operation
– Closed circuit operation - Measuring Circuit for probes works with internally generated AC voltage (approx. 30 Hz), electrolytic behaviour does not occur in the liquid
- For auxiliary voltages of 24 … 415 V AC or 24 V DC
- LEDs for operation and state of contact
- 2 changeover relays with 1 changeover contact each
- IL 9151 and SL 9151 with safe separation according to IEC/EN 61140, IEC/EN 60947-1
- Devices available in 3 enclosure versions:
IL 9151: Depth 59 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43880
SL 9151, MK 9151N: Depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct - IL/SL 9151: 35 mm width
MK 9151N: 22.5 mm width
Datasheet Download
Level Sensing Relay IL 9151

Product Overview
Features
- According to IEC/EN 60255-1
- 3 probe connections for 2-point and 1-point level control
- Also for use as moisture detector
- High interference resistance of the Measuring Circuit, which is isolated from the mains
- Max. wire length to the probes: 3000 m
- Large setting range: 2 … 450 kΩ this permits differentiation between fluid and foam
- Separately adjustable response and release time delay 0.2 … 20 s for MIN- and MAX-level
- Programmable for:
– 2 separate controllable output relays for MIN and MAX level
– Common controlled output relays for 2-point hysteresis level control
– Open circuit operation
– Closed circuit operation - Measuring Circuit for probes works with internally generated AC voltage (approx. 30 Hz), electrolytic behaviour does not occur in the liquid
- For auxiliary voltages of 24 … 415 V AC or 24 V DC
- LEDs for operation and state of contact
- 2 changeover relays with 1 changeover contact each
- IL 9151 and SL 9151 with safe separation according to IEC/EN 61140, IEC/EN 60947-1
- Devices available in 3 enclosure versions:
IL 9151: Depth 59 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43880
SL 9151, MK 9151N: Depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct - IL/SL 9151: 35 mm width
MK 9151N: 22.5 mm width
Datasheet Download
Level Sensing Relay SL 9151

Product Overview
Features
- According to IEC/EN 60255-1
- 3 probe connections for 2-point and 1-point level control
- Also for use as moisture detector
- High interference resistance of the Measuring Circuit, which is isolated from the mains
- Max. wire length to the probes: 3000 m
- Large setting range: 2 … 450 kΩ this permits differentiation between fluid and foam
- Separately adjustable response and release time delay 0.2 … 20 s for MIN- and MAX-level
- Programmable for:
– 2 separate controllable output relays for MIN and MAX level
– Common controlled output relays for 2-point hysteresis level control
– Open circuit operation
– Closed circuit operation - Measuring Circuit for probes works with internally generated AC voltage (approx. 30 Hz), electrolytic behaviour does not occur in the liquid
- For auxiliary voltages of 24 … 415 V AC or 24 V DC
- LEDs for operation and state of contact
- 2 changeover relays with 1 changeover contact each
- IL 9151 and SL 9151 with safe separation according to IEC/EN 61140, IEC/EN 60947-1
- Devices available in 3 enclosure versions:
IL 9151: Depth 59 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43880
SL 9151, MK 9151N: Depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct - IL/SL 9151: 35 mm width
MK 9151N: 22.5 mm width
Datasheet Download
Valve Monitor IK 9076

Product Overview
Features
- According to IEC/EN 60 255, DIN VDE 0435-303
- Current monitor
- Detection of wire breakage
- Fixed switching points
- For DC 24 V
- Energized on trip
- Green LED display for operating voltage
- Red LED display for contact position
- Devices available in 2 enclosure versions:
IK 9076: depth 59 mm, with terminals at the bottom for
installation systems and industrial distribution
systems according to DIN 43 880
SK 9076: depth 98 mm, with terminals at the top for cabinets
with mounting plate and cable duct - Width 17.5 mm
Datasheet Download
Valve Monitor SK 9076

Product Overview
Features
- According to IEC/EN 60 255, DIN VDE 0435-303
- Current monitor
- Detection of wire breakage
- Fixed switching points
- For DC 24 V
- Energized on trip
- Green LED display for operating voltage
- Red LED display for contact position
- Devices available in 2 enclosure versions:
IK 9076: depth 59 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43 880
SK 9076: depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct - Width 17.5 mm
Datasheet Download
Temperature Monitoring Relay IK 9094

Product Overview
Advantages
- Preventive maintenance
- For better productivity
- Quicker fault locating
Features
- According to IEC/EN 60255-1
- 1 PT100 input, 2-wire connection
- 3 temperature ranges
- Adjustable response value
- Adjustable Hysteresis with wide range 3 … 30 °C or 1 … 15 °C
- Broken wire detection in sensor circuit
- Programmable hysteresis or latching function via terminal X1
- IK 9094 no galvanic separation between measuring and auxiliary circuit
- Closed circuit operation
- LED indicator for operation and state of output relay
- 1 changeover contact
- As option with response value up to – 50 °C, e.g. for refrigeration plants
- As option with galvanic separation between measuring and auxiliary circuit
- Devices available in 2 enclosure versions:
I-model: Depth 59 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43880
S-model: Depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct - DIN rail or screw mounting
- IK 9094, SK 9094: 17.5 mm width
IL 9094, SL 9094: 35 mm width
Datasheet Download
Temperature Monitoring Relay SK 9094

Product Overview
Advantages
- Preventive maintenance
- For better productivity
- Quicker fault locating
Features
- According to IEC/EN 60255-1
- 1 PT100 input, 2-wire connection
- 3 temperature ranges
- Adjustable response value
- Adjustable Hysteresis with wide range 3 … 30 °C or 1 … 15 °C
- Broken wire detection in sensor circuit
- Programmable hysteresis or latching function via terminal X1
- IK 9094 no galvanic separation between measuring and auxiliary circuit
- Closed circuit operation
- LED indicator for operation and state of output relay
- 1 changeover contact
- As option with response value up to – 50 °C, e.g. for refrigeration plants
- As option with galvanic separation between measuring and auxiliary circuit
- Devices available in 2 enclosure versions:
I-model: Depth 59 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43880
S-model: Depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct - DIN rail or screw mounting
- IK 9094, SK 9094: 17.5 mm width
IL 9094, SL 9094: 35 mm width
Datasheet Download
Temperature monitor MK 9162

Product Overview
Features
- Monitors state of bimetal switches
- Closed circuit operation
- With broken wire detection
- Width 22.5 mm
Datasheet Download
Temperature Monitoring Relay IL 9094

Product Overview
Advantages
- Preventive maintenance
- For better productivity
- Quicker fault locating
Features
- According to IEC/EN 60255-1
- 1 PT100 input, 2-wire connection
- 3 temperature ranges
- Adjustable response value
- Adjustable Hysteresis with wide range 3 … 30 °C or 1 … 15 °C
- Broken wire detection in sensor circuit
- Programmable hysteresis or latching function via terminal X1
- IK 9094 no galvanic separation between measuring and auxiliary circuit
- Closed circuit operation
- LED indicator for operation and state of output relay
- 1 changeover contact
- As option with response value up to – 50 °C, e.g. for refrigeration plants
- As option with galvanic separation between measuring and auxiliary circuit
- Devices available in 2 enclosure versions:
I-model: Depth 59 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43880
S-model: Depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct - DIN rail or screw mounting
- IK 9094, SK 9094: 17.5 mm width
IL 9094, SL 9094: 35 mm width
Datasheet Download
Temperature Monitoring Relay SL 9094

Product Overview
Advantages
- Preventive maintenance
- For better productivity
- Quicker fault locating
Features
- According to IEC/EN 60255-1
- 1 PT100 input, 2-wire connection
- 3 temperature ranges
- Adjustable response value
- Adjustable Hysteresis with wide range 3 … 30 °C or 1 … 15 °C
- Broken wire detection in sensor circuit
- Programmable hysteresis or latching function via terminal X1
- IK 9094 no galvanic separation between measuring and auxiliary circuit
- Closed circuit operation
- LED indicator for operation and state of output relay
- 1 changeover contact
- As option with response value up to – 50 °C, e.g. for refrigeration plants
- As option with galvanic separation between measuring and auxiliary circuit
- Devices available in 2 enclosure versions:
I-model: Depth 59 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43880
S-model: Depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct - DIN rail or screw mounting
- IK 9094, SK 9094: 17.5 mm width
IL 9094, SL 9094: 35 mm width
Datasheet Download
Temperature Monitoring Relay BA 9094

Product Overview
Features
- According to IEC/EN 60255-1
- 2 PT 100 inputs with separate outputs or alternatively common output
- Optionally 1 PT 100 input with 2 separate outputs for 2 different response values
- Separate adjustable response and release values for each input
- Optionally with fixed response and release values
- Broken wire detection in sensor circuit
- Closed circuit operation
- 2 wire connection
- Width 45 mm
Datasheet Download
Thermistor Motor Protection Relay MK 9003 ATEX

Product Overview
Advantages
- Reliable temperature monitoring of motors
- Rapid fault location
Features
- According to EN 60947-5-1, EN 60947-8, EN 60079-14, EN 61508, EN 50495, EN 13849
- Detection of
– Overtemperature
– Broken wire in sensor circuit
– Short circuit in sensor circuit - 1 input for 3 or 6 PTC-reistors
- Functions as options or settable with DIP-switches:
– Automatic reset (fault is not stored)
– Manual reset (fault is stored)
– Manual reset only on start-up
– Manual reset on and also after start-up - No voltage safe manual reset
- Closed circuit operation
- LED indicators for
– Auxiliary supply
– Contact position
– Overtemperature, broken wire or short-circuit in sensor circuit - 2 changeover contacts
- Button for reset function
- Remote reset via terminals X1 / X2 (NO contact)
- Optionally safe separation according to EN 61 140, EN 60 947-1, 6 kV/2 between:
– Auxiliary voltage and measuring circuit
– Auxiliary voltage and output contacts
– Measuring circuit and output contacts
– The 2 changeover contacts (only with 2 changeover contacts) - Width 22.5 mm
Datasheet Download
Thermistor motor protection relay MK 9052

Product Overview
Features
- According to IEC/EN 60947-8
- 1 input for PTC-resistors or bimetal contacts
- Broken wire detection in sensor circuit
- Optionally with no voltage reclosing interlock to VDE 0113 § 5.4.2
- Closed circuit operation
- 1 or 2 changeover contacts
- Width 22.5 mm
Datasheet Download
Thermistor Motor Protection Relay MK 9163N

Product Overview
Advantages
- Reliable temperature monitoring of motors
- Rapid fault location
Features
- According to EN 60947-5-1, EN 60947-8
- Monitioring of
– overtemperature
– broken wire detection in sensor circuit
– short circuit detection in sensor circuit - 1 input for 1 to 6 PTC-resistors
- De-energized on trip
- LED-indicator for
– auxiliary supply
– state of contact - Output with 2 changeover contacts
- As option with manual reset, internal reset button and external remote reset X1/X2
- Wire connection: also 2 x 1.5 mm2 stranded ferruled, or 2 x 2.5 mm2 solid DIN 46 228-1/-2/-3/-4
- As option with pluggable terminal blocks for easy exchange of devices
– with screw terminals
– or with cage clamp terminals - Width 22.5 mm
Datasheet Download
Thermistor Motor Protection Relay MK 9163N ATEX

Product Overview
Advantages
- Reliable temperature monitoring of motors
- Rapid fault location
Features
- According to EN 60947-5-1, EN 60947-8, EN 60079-14, EN 61508, EN 50495, EN 13849
- Monitioring of
– overtemperature
– broken wire detection in sensor circuit
– short circuit detection in sensor circuit - 1 input for 3 or 6 PTC-resistors
- De-energized on trip
- LED-indicator for
– auxiliary supply
– state of contact - Output with 2 changeover contacts
- As option with manual reset, internal reset button and external remote reset X1/X2
- Wire connection: also 2 x 1.5 mm2 stranded ferruled, or 2 x 2.5 mm2 solid
DIN 46 228-1/-2/-3/-4 - As option with pluggable terminal blocks for easy exchange of devices
– with screw terminals
– or with cage clamp terminals - Width 22.5 mm
Datasheet Download
Thermistor Motor Protection Relay IL 9163

Product Overview
Features
- According to IEC/EN 60 255-1
- Monitoring of:
– overtemperature
– broken wire detection in sensor circuit - 1 input for 1 to 6 PTC-resistors
- With manual reset variant /100
- Optionally with button for reset and test function
- Remote reset on A1/A2 (NC contact) or X1/X2 (NO contact)
- Closed circuit operation
- LED indicator for
– auxiliary supply
– state of contact - 2 changover contacts
- Devices available in 2 enclosure versions:
IL 9163: depth 58 mm, with terminals at the bottom for
installation systems and industrial distribution
systems according to DIN 43 880
SL 9163: depth 98 mm, with terminals at the top for cabinets
with mounting plate and cable duct - Width 35 mm
Datasheet Download
Thermistor Motor Protection Relay SL 9163

Product Overview
Features
- According to IEC/EN 60 255-1
- Monitoring of:
– overtemperature
– broken wire detection in sensor circuit - 1 input for 1 to 6 PTC-resistors
- With manual reset variant /100
- Optionally with button for reset and test function
- Remote reset on A1/A2 (NC contact) or X1/X2 (NO contact)
- Closed circuit operation
- LED indicator for
– auxiliary supply
– state of contact - 2 changover contacts
- Devices available in 2 enclosure versions:
IL 9163: depth 58 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43 880
SL 9163: depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct - Width 35 mm
Datasheet Download
Thermistor Motor Protection Relay BA 9038

Product Overview
Advantages
- Reliable temperature monitoring of motors
Features
- According to IEC/EN 60947-8
- 1 input for PTC-resistors or bimetal contacts
- Broken wire detection in sensor circuit
- Optionally with no voltage reclosing interlock
- Closed circuit operation
- 1 or 2 changeover contacts
- Width 45 mm
Datasheet Download
Thermistor Motor Protection Relay BA 9039

Product Overview
Features
- According to DIN VDE 0660 part 302 (pr EN 60 947-8) and part 303
- 1 input for PTC-resistors
- Broken wire and short circuit detection in sensor circuit
- Optionally with no-voltage reclosing interlock
- Closed circuit operation
- 2 changeover contacts
- Green LED to indicate no-fault state
- Red LED to indicate operational mode
- Width 45 mm