Electric motor monitoring relays

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overload monitoring relay
overload monitoring relay
777 series

... trip is required. All of the overload relays provide unsurpassed protection by combining overload, voltage, phase loss and reversal, voltage and current unbalance, power monitoring, ...

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Littelfuse
earth-leakage monitoring relay
earth-leakage monitoring relay
PGR-6101-120

... against ground-faults by monitoring insulation resistance when the motor is de-energized and by monitoring ground-fault current when the motor is energized. ...

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Littelfuse
voltage monitoring relay
voltage monitoring relay
201-SP-DPDT series

Trigger voltage: 95 V - 240 V

... designed to protect single-phase motors regardless of their size. The 201-100-SP-DPDT is used on 95–120 V ac, 50/60 Hz motors to prevent damage caused by low voltage. The 201-200-SP-DPDT is used on 190–240 ...

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Littelfuse
under-voltage monitoring relay
under-voltage monitoring relay
70 series

Tripping current: 30, 6, 10 A
Trigger voltage: 220 V - 415 V

... multifunction devices that allow monitoring of undervoltage and overvoltage, phase sequence and phase failure. Features include (according to Type): • Multifunctional types, providing the flexibility of monitoring ...

temperature monitoring relay
temperature monitoring relay
VARIMETER EX | MK 9163N

... short circuit detection. If one sensor in the monitoring circuit reaches the response temperature value the monitoring device indicates a fault via its output contacts. The thermistor motor ...

voltage monitoring relay
voltage monitoring relay
E1UM230V01

Trigger voltage: 24, 230 V

This is a voltage monitoring relay module that is capable of measuring 1-phase networks. Our E1UM230V01 lets you select a suitable voltage range of 24V AC, 24V DC or 230V AC ...

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TELE Haase Steuergeraete GmbH
under-voltage monitoring relay
under-voltage monitoring relay
G2PU690VS20

Trigger voltage: 690 V

... give a constant feedback of the power and phase condition while two integrated relay outputs (DPDT configuration) trigger alarms to your PLC or trigger actions. Our TELE technology allows to power ...

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TELE Haase Steuergeraete GmbH
current monitoring relay
current monitoring relay
E3IM10AL20 230V AC

Tripping current: 100, 1, 10 mA

Current monitoring single phase; Multifunction; to 10A; Fault latch; 2 CO, Adjustable delay

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TELE Haase Steuergeraete GmbH
safety relay
safety relay
SPEEDTRONIC N

Tripping current: 8 A
Trigger voltage: 250 V

Zero speed control with lock release Door unlocking control on motor shutdown Detection of asynchronous motors stoppage without external sensor Removable terminals Performance level with AWAX controller: ...

temperature monitoring relay
temperature monitoring relay
250 V | TC70

Tripping current: 1, 3 A
Trigger voltage: 250 V

... is a specialized device for monitoring and protection of 3-phase asynchronous motors, designed for DIN-rail mounting. It monitors phase presence and order, phase line voltage, and zero presence, and ...

power factor monitoring relay
power factor monitoring relay
RP81 series

Trigger voltage: 230, 400 V

... for monitoring wedges, dry running of pumps and so on. RP81 can be connected directly to motors with a nominel motor current up to 6 A. If the motor ...

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COMADAN
voltage monitoring relay
voltage monitoring relay
D65 series

Phase monitoring relays Eaton’s D65 phase monitoringrelays protect loads from voltage fault conditions. The devices provide protection against phase loss, phase reversal, ...

thermal monitoring relay
thermal monitoring relay
P24x series

The MiCOM Alstom P24x relays provide advanced control, protection and monitoring. They offer comprehensive protection for induction and synchronous machines due to their versatility. The MiCOM Alstom ...

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Alstom Grid
temperature monitoring relay
temperature monitoring relay
TE-RTD12

Trigger voltage: 110 V - 240 V

TE-RTD12 Motor RTD Monitor / Relay Device The TE-RTD12 Relay device adds advanced RTD (Resistor Temperature Detector) and differential current monitoring ...

arc flash monitoring relay
arc flash monitoring relay
SEL-849

Motor Management Relay The SEL-849 Relay offers current-, voltage-, and thermal-based motor protection; arc-flash detection; and power metering. It ...

under-current monitoring relay
under-current monitoring relay
AKC series

The ENTES Current Monitoring Relays are specially designed to offer protection to the motors and networks against under and over current conditions. ...

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ENTES
temperature monitoring relay
temperature monitoring relay
PTC

The PTC multi function timer can be operated at a power range of 24 up to 240 V. It is integrated with a thermistor relay, which has protection from any phase sequence fault. The timer ...

2 NO monitoring relay
2 NO monitoring relay
LR44/2

Trigger voltage: 100 V - 230 V

• Logic Relay designed to balance wear between motors, compressors and generators • Monitors 2 external N.O. contacts • Built in “Help” function • Isolated Auxiliary supply • 2 x SPNO Relay ...

current monitoring relay
current monitoring relay
GRI8-06B

... adjustment by potentiometer, choice of 6 ranges: AC 0.05-0.5A; AC 0.1-1A; AC 0.2-2A; AC 0.5-5A; AC 0.8-8A; AC 1.6-16A • Power ...

voltage monitoring relay
voltage monitoring relay
RPN series

Tripping current: 12 A
Trigger voltage: 300 V

Multifunctions monitoring relays - AC voltage monitoring in 3-phase network 3(N)~400/230 V. Type of contacts: 1 CO, 2 CO Technical info Output circuit - contact data: ...

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RELPOL
current monitoring relay
current monitoring relay
PRI-53

Tripping current: 8 A

Three-phase relay PRI-53 for monitoring the current in three-phase devices Intended for monitoring the current in three-phase devices (e.g. cranes, ...

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ELKO
current monitoring relay
current monitoring relay
EVAR

... setpoints and 3 assignable output relays allow control functions to be added for specific applications. This includes protection on over/under current or voltage, unbalance current or ...

phase unbalance monitoring relay
phase unbalance monitoring relay
85 - 500 V | 158 series

... phase-angle sensing circuit, driving an electro-mechanical relay. When correct voltage and phase rotation are applied, the internal relay will energize. A fault condition will de-energize the relay. ...

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Time Mark
frequency monitoring relay
frequency monitoring relay
RF5

Limit value switch for frequency (square wave signal). Simple application; for rough environments. Limit value freely adjustable by drum scale. Open-circuit or closed-circuit devices available. Compact and robust ...

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NORIS Group GmbH
voltage monitoring relay
voltage monitoring relay
MCA4

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