Electric motor monitoring relays

20 companies | 50 products
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under-voltage monitoring relay
under-voltage monitoring relay
SRW01 series

Trigger voltage: 24 V - 240 V

... protect and control electric motors in their most diverse industrial applications. Due to its reduced size and modular design, the relay is frequently used when space for its assembly ...

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
voltage monitoring relay
voltage monitoring relay
E1UM230V01

Trigger voltage: 24, 230 V

... contact switches right away to trigger an alarm or further actions to prevent damage. This product is ideal to monitor stationary or remote back up power installations like batteries ...

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

MK 9163N ATEX and MK 9003 ATEX avoid reliably thermal overload on motors. The devices of the VARIMETER EX series of DOLD monitor and protect standard motors and explosion proof motors ...

voltage monitoring relay
voltage monitoring relay
DPR-1000

DPR-1000 is the digital protective relay which is intended for monitoring and protecting the faults on the feeder of distribution system, especially for the medium-voltage motors.

speed monitoring relay
speed monitoring relay
DRIW-E16

Tripping current: 6 A
Trigger voltage: 24 V

... or similar. The relay is activated when the operating voltage is applied. After start-up bridging has finished, the monitoring function is started on the E1 and E2 terminals by means of the power ...

phase sequence monitoring relay
phase sequence monitoring relay
CPW-E12

Tripping current: 0.2 A - 10 A
Trigger voltage: 230 V

... shift between current and voltage. This phase angle varies depending on the motor load. The functions can be adjusted by means of bridges S1 - S2 - S3S1 - S2 open = relay deactivated ...

overload monitoring relay
overload monitoring relay
TMR-E12

Tripping current: 4 A
Trigger voltage: 24, 230 V

The thermistor relay is used as protection relay for motors against thermal overload (inadmissible heating). This heating might be caused by mechanical overload on the shaft or when operating ...

current monitoring relay
current monitoring relay
MDK-02

Trigger voltage: 140 V - 260 V

... submersible pumps and motors in wells and similar places and to protect them from negative situations that may arise from waterless operation, high or low voltage and current. 1A - 30A High/Low Voltage Protection ...

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
frequency monitoring relay
frequency monitoring relay
RFS5

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

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NORIS Group GmbH
frequency monitoring relay
frequency monitoring relay
RFJ5

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

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NORIS Group GmbH
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 Elektronik Cihazlar İmalat ve Ticaret A.Ş.
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 ...

2 NO monitoring relay
2 NO monitoring relay
LR44/2

• 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 ...

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 ...

power factor monitoring relay
power factor monitoring relay
RP81

... RP81 is used for load monitoring of 3-phase motors, as the phase angle (cos phi) between motor current and -voltage changes in proportion to the mechanical load of the ...

voltage monitoring relay
voltage monitoring relay
MP92

Monitoring of engine torque for 3phase motors Frequency range 10-400 Hz Very suitable in connection with frequency converters Analogue and relay output Adjustable start-up ...

power factor monitoring relay
power factor monitoring relay
CM-LWN series

The motor load monitor CM-LWN monitors the load of single-phase and three-phase asynchronous motors. The evaluation of the phase angle between current ...

temperature monitoring relay
temperature monitoring relay
D65 series

... Phase Monitoring Relays are monitoring concurrent and simultaneous decrease or increase of voltage and it is helping in giving those machineries which are impaired and damaged and the ...

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 ...

over-current monitoring relay
over-current monitoring relay
100 - 690 V

Trigger voltage: 100 V - 690 V

... range of monitoring controls for monitoring of phase loss, incorrect phase sequence, phase unbalance, over/under current, over/under load, over/under frequency, and over/under voltage. Our products include ...

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 ...

temperature monitoring relay
temperature monitoring relay
MR-GT2P-TR2

Tripping current: 5 A

... 250 VA Insulation Rated surge voltage4 000 V AC Overvoltage categoryIII PN-EN 60664-0 Insulation pollution degree3 PN-EN 60664-1 • Single-functions monitoring relays (motor ...

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

The Model 158 continuously monitors 3-phase power lines for abnormal conditions. When properly adjusted, the Model 158 monitor will detect phase loss on a loaded motor ...

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Time Mark
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