Latching / interface / switching relays

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Links between logic and load

The DOLD toggle, coupling and switch relays are the first choice for all interface applications in demanding control systems. They connect the highly sensitive logic level of the SPS, a shelf system or process computer with the raw operation of the power levels of a machine. 

Interface relay IG 3051

Features

  • According to IEC/EN 60947-5-1
  • Input for AC/DC 24 V, AC 110 V or 230 V, as required
  • 1 NO contact for AC 230 V
  • LED indicator
  • Width 8.8 mm
 

Interface relay CA 3056

Advantages

  • As option goldplated contacts (5 μm Au) to switch low loads
  • CA 3056 and CB 3056: Protective separation acc. to IEC/EN 61140, IEC/EN 60947-1: 6 kV / 2

Features

  • According to IEC/EN 60947-5-1
  • LED indication
  • Optionally with 1 NO contact, 1 NC contact, 1 C/O contact, 2 C/O contacts, 2 NO contacts
  • Optionally with MOV on input to achieve higher surge immunity
  • Width: 11.5 mm

Interface relay CB 3056

Advantages

  • As option goldplated contacts (5 μm Au) to switch low loads
  • CA 3056 and CB 3056: Protective separation acc. to IEC/EN 61140, IEC/EN 60947-1: 6 kV / 2

Features

  • According to IEC/EN 60947-5-1
  • LED indication
  • Optionally with 1 NO contact, 1 NC contact, 1 C/O contact, 2 C/O contacts, 2 NO contacts
  • Optionally with MOV on input to achieve higher surge immunity
  • Width: 11.5 mm

Interface relay CC 3056

Advantages

  • As option goldplated contacts (5 μm Au) to switch low loads
  • CA 3056 and CB 3056: Protective separation acc. to IEC/EN 61140, IEC/EN 60947-1: 6 kV / 2

Features

  • According to IEC/EN 60947-5-1
  • LED indication
  • Optionally with 1 NO contact, 1 NC contact, 1 C/O contact, 2 C/O contacts, 2 NO contacts
  • Optionally with MOV on input to achieve higher surge immunity
  • Width: 11.5 mm

Interface relay CB 3057

Advantages

  • Test possible without influence on PLC

Features

  • According to IEC/EN 60947-5-1, IEC/EN 61810-1
  • With service switch Auto/On/Off
  • Input AC/DC 24 V
  • 1 changeover contact 5 A
  • LED indicator
  • Width 11.5 mm

Interface relay IK 3050

Advantages

  • Suitable for switching low loads
  • Compact design for installation systems and industrial distribution systems according to DIN 43880

Features

  • According to DIN EN 61810-1
  • Protective separation according to IEC/EN 61140, IEC/EN 60947-1
  • 1 changeover contact
  • With input wiring protection against voltage surges
  • LED indicator
  • Width: 17.5 mm

Interface relay IK 3070

Features

  • According to IEC/EN 60947-5-1
  • Relay, triac or transistor output
  • Protective separation according to IEC/EN 61 140, IEC/EN 60 947-1 on devices with relay output (only at IK 3070.02 /_0_, IK 3070.11 /_0_)
  • LED as operating position display
  • Optionally input wiring with recovery diode or MOV
  • As option with semiconductor output
    – for high switching frequency
    – input protection with varistor
  • Width 17.5 mm

Interface relay IK 3076

Advantages

  • According to IEC/EN 60947-5-1, IEC/EN 61810-1
  • Protective separation according to IEC/EN 61140, IEC/EN 60947-1 in configuration with 1 changeover contact
  • With input wiring protection against voltage surges
  • High permanent current Ith

Features

  • LED indicator
  • As option with 1 or 2 changeover contacts
  • As option for switching low loads
  • Devices available in 2 enclosure versions:
    IK 3076: Depth 59 mm with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43880
    SK 3076: Depth 98 mm with terminals at the top for cabinets with mounting plate and cable duct
  • DIN rail or screw mounting
  • Width 17.5 mm

Input-Output interface relay IK 8701

Advantages

  • Optionally contacts with up to a maximum 4 changeover contacts
  • Optionally for 2-wire initiator activation
  • Optionally for switching low loads
  • Optionally for switching lamps with parallel compensation (e.g. HQ lamps)
  • Optionally for switching large inductive direct current loads
  • Optionally with a recovery diode (only DC devices)
  • Optionally with reliable release voltage of AC 120 V

Features

  • According to EN 60947-5-1
  • Pushbutton for manual actuation of the contact
  • Operating position display
  • High thermal current Ith
  • Width: 17.5 or 35 or 52.5 mm

Interface relay IK 8802

Features

  • According to IEC/EN 61810-1, IEC/EN 60947-5-1
  • With 1 or 2 changeover contacts as options
  • High permanent current Ith
  • For switching low loads as an option
  • LED display (for AC/DC 24 V only)
  • Width 17.5 mm

Interface relay SK 3076

Advantages

  • According to IEC/EN 60947-5-1, IEC/EN 61810-1
  • Protective separation according to IEC/EN 61140, IEC/EN 60947-1 in configuration with 1 changeover contact
  • With input wiring protection against voltage surges
  • High permanent current Ith

Features

  • LED indicator
  • As option with 1 or 2 changeover contacts
  • As option for switching low loads
  • Devices available in 2 enclosure versions:
    IK 3076: Depth 59 mm with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43880
    SK 3076: Depth 98 mm with terminals at the top for cabinets with mounting plate and cable duct
  • DIN rail or screw mounting
  • Width 17.5 mm

Interface relay MK 3046

Advantages

  • According to IEC/EN 60947-5-1
  • Compact version with 3 or 2 separate controllable relay systems

Features

  • 2 x 1 changeover contact, 1 x 1 NO contact
  • Or 1 x 1 changeover contact, 1 x 2 changeover contacts
  • With LED indicators
  • Available also for switching of low loads
  • Width 22.5 mm

Interface relay MK 3047

Features

  • According to IEC/EN 60947-5-1
  • As option with 2 NO contacts or 2 NC contacts or
    1 NO contact and 1 NC contact or 1 changeover contact
  • With LED indication
  • With free-wheel diode to protect the contacts
  • Width 22.5 mm

Interface relay MK 8804N

Advantages

  • Up to 4 changeover contacts in 22,5 mm width
  • With various terminals

Features

  • According to IEC/EN 60947-5-1
  • With LED indicator
  • As option: With 2, 3 or 4 changeover contacts
  • As option to switch low loads
  • As option for 2-wire proximity sensor control
  • Wire connection: also 2 x 1.5 mm2 stranded ferruled, or 2 x 2.5 mm2 solid DIN 46228-1/-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

Latching relay MK 8852

Advantages

  • Energy saving, no holding capacity required
  • Manual switching by manual actuator possible
  • Switching position visible from outside

Features

  • According to IEC/EN 60947-5-1
  • Setting input A1 – A2
  • Reset input A3 – A2
  • Storage function
  • Switch position indication
  • Manual operation
  • DIN rail mounting
  • Width 22.5 mm

Interface relay ML 3045

Advantages

  • For 2 control voltages
  • Output relay can be switched off via switch for test purposes
  • Optionally safe separation according to IEC/EN 61140, IEC/EN 60 947-1 and for switching low loads

Features

  • According to IEC/EN 60947-5-1, IEC/EN 61810-1
  • With 1 changeover contact
  • With LED indicator
  • Width: 22.5 mm

Interface relay ML 3059

Advantages

  • 1 or 2 changeover contacts
  • Optionally safe separation according to IEC/EN 61 140, IEC/EN 60 947-1, 6 kV/2
    – Between coil and contacts
    – Between the two contacts
  • Optionally for switching of low loads

Features

  • According to IEC/EN 60 255, IEC/EN 61 810-1
  • For AC/DC 12 … 240 V
  • For 2-wire proximity sensors
  • LED indicator
  • As option with reduced power consumption
  • Width 22.5 mm

Interface relay UG 3076/007

Advantages

  • According to IEC/EN 60 947-5-1
  • Reliable fast response
  • Simple contact multiplication
  • Cost and space saving alternative compared to contactors
  • With plugable terminal blocks for easy exchange of devices

Features

  • UG 3076.12: 2 changeover contact
    UG 3076.15: 6 changeover contact
  • Safe release voltage: the output relay is de-energized at U < 27 % UN
  • Width 22.5 mm
 

Diode module UG 5122

Advantages

  • Protects up to 8 contacts when switching inductive DC loads
  • High dielectric strength
  • Ready for mounting in switching cabinets
  • Pluggable clamps allow a fast module change
  • Unique design with UG- switching devices

Features

  • Pluggable terminal block with screw terminals
  • Width: 22.5 mm

Latching relay UG 8851

Advantages

  • Large voltage range AC/DC 24 … 240 V
  • Protection against manipulation by sealable transparent cover over setting switches
  • More contacts at small design
  • Energy saving, no holding capacity neccessary

Features

  • According to IEC/EN 60947-5-1
  • With forcibly guided contacts according to IEC 61810-3
  • With manual operation and contact position indication via control lever
  • With impulse energization A1 – A2
  • With reset pulse B1 – B2
  • As option 4 NC contacts, 4 NO contacts or 1 NC contact, 7 NO contacts or 4 changeover contacts
  • With pluggable terminal blocks for easy exchange of devices
  • With coded terminal blocks
  • Width 22.5 mm

Input-Output interface relay IL 8701

Advantages

  • Optionally contacts with up to a maximum 4 changeover contacts
  • Optionally for 2-wire initiator activation
  • Optionally for switching low loads
  • Optionally for switching lamps with parallel compensation (e.g. HQ lamps)
  • Optionally for switching large inductive direct current loads
  • Optionally with a recovery diode (only DC devices)
  • Optionally with reliable release voltage of AC 120 V

Features

  • According to EN 60947-5-1
  • Pushbutton for manual actuation of the contact
  • Operating position display
  • High thermal current Ith
  • Width: 17.5 or 35 or 52.5 mm

Latching relay AD 8851

Features

  • According to IEC/EN 61810-1
  • Manual operation possible
  • Contact position indication via control lever
  • Max. 4 NC contacts, 4 NO contacts
  • Width 45 mm

Stepping relay BA 7632

Advantages

  • Wide voltage range AC/DC 24 … 230 V
  • Energy-saving, no holding power required
  • Defined switching position in the case of supply voltage failure

Features

  • According to IEC/EN 61810-1
  • High switching capacity of contacts
  • High switching safety
  • With pulse excitation A1-A2
  • As option with 1or 2 changeover contacts or 3 NO contacts
  • Optionally in common mode or in networked mode
  • Width 45 mm

Contact protection relay BA 7961

Advantages

  • High electrical life of control contacts
  • Longer maintenance intervals

Features

  • According to IEC/EN 61812-1
  • Galvanic separation between control contact and supply voltage
  • Wide auxiliary range
  • Adjustable operate delay
  • 2 changeover contacs delayed
  • LED-indicator for power and contact position
  • Width: 45 mm

Input-Output interface relay IN 8701

Advantages

  • Optionally contacts with up to a maximum 4 changeover contacts
  • Optionally for 2-wire initiator activation
  • Optionally for switching low loads
  • Optionally for switching lamps with parallel compensation (e.g. HQ lamps)
  • Optionally for switching large inductive direct current loads
  • Optionally with a recovery diode (only DC devices)
  • Optionally with reliable release voltage of AC 120 V

Features

  • According to EN 60947-5-1
  • Pushbutton for manual actuation of the contact
  • Operating position display
  • High thermal current Ith
  • Width: 17.5 or 35 or 52.5 mm

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