DOLD MK 9163N ATEX – Thermistor Motor Protection Relay
Thermistor Motor Protection Relay
- Reliable temperature monitoring of motors
- Rapid fault location
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Monitoring devices
273 products
DOLD MK 9300N – Multifunction measuring relay
Multifunction measuring relay
- Min-, Max. value or window monitoring
- Simultaneous monitoring of up to 9 different parameters
- Simple configuration and fault diagnostic
- Different fault indications
- Large measuring range 3 AC 24 … 690 V
DOLD MK 9397N – Motor load monitor
Motor load monitor
- Preventive maintenance
- For a evaluate time
- Quicker fault locating
- Precise and reliable
- Overload detection, as option also with prewarning
DOLD MK 9837N – Frequency Relay
Frequency Relay
- Universal usage
- Easy handling
DOLD MK 9837N/5_0 – Frequency Relay
Frequency Relay
- Separate output signals for under and over frequency
- Simple wiring
- Easy handling
DOLD MK 9994 – Lamp Tester
Lamp Tester
DOLD MK 9995 – Lamp Tester
Lamp Tester
DOLD ML 9701 – Current relay
Current relay
- Purely electromechanical design
- High insensitivity to interference in the radio frequency range and high voltage peaks
- Easy device adjustment
- Can be used for under- or overcurrent detection
DOLD ND 5013 – Measuring current transformer
Measuring current transformer
DOLD ND 5014 – Split current transformer
Split current transformer
- Easy mounting
- Simple retrofitting in existing plants
DOLD ND 5015 – Residual current transformer
Residual current transformer
DOLD ND 5016 – Residual current transformer
Residual current transformer
DOLD ND 5017 – Residual current transformer
Residual current transformer
DOLD ND 5018 – Residual current transformer
Residual current transformer
DOLD ND 5019 – Residual current transformer
Residual current transformer
DOLD OA 5640 – Standard probe
Standard probe
DOLD OA 9059 – Phase Sequence Module
Phase Sequence Module
- Protects mobile equipment against damage or destruction coming from wrong phase sequence
- Reduced wiring by mounting directly in the motor connection box
DOLD RK 9169 – Phase monitor
Phase monitor
DOLD RK 9179 – Phase Sequence Monitor (Phase Sequence Relay)
Phase Sequence Monitor (Phase Sequence Relay)
- According to IEC/EN 60255-1
- Detection of phase sequence in 3-phase systems
- Without auxiliary voltage
DOLD RK 9871 – Undervoltage Relay
Undervoltage Relay
- Higher safety in buildings
DOLD RK 9872 – Phase monitor
Phase monitor
- Reliability monitoring of 3- or 1-phase voltage systems on:- Undervoltage- Overvoltage- Phase sequence (at 3-phase voltage system)
- Fast fault location
- Preventive maintenance
- Space saving
DOLD RK 9872/802 – Phase monitor
Phase monitor
- Reliability monitoring of 3-phase voltage systems on:- Undervoltage- Overvoltage
- Fast fault location
- Preventive maintenance
- Space saving
- Very fast response time approx. 30 ms
DOLD RK 9872/803 – Phase monitor
Phase monitor
- Reliability monitoring of 3-phase voltage systems on:- Undervoltage- Overvoltage
- Fast fault location
- Preventive maintenance
- Space saving
- Very fast response time approx. 30 ms
DOLD RL 5881 – Insulation monitor
Insulation monitor
- Preventive fire and system protection
- Detection of symmetric and asymmetric insulation faults
- For non-earthed DC voltage networks up to 300 V
- Suitable for large leakage capacitances up to 30 μF
- Monitoring also with voltage-free mains