1 NO/NC protection relays

14 companies | 44 products
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electric motor protection relay
electric motor protection relay
RW_E series

Tripping current: 0.4 A - 420 A
Trigger voltage: 1,000, 690 V

The RW_E is meant to assure increased reliability for protection of low voltage three-phase electric motors in sinusoidal 50/60 Hz networks where reliability, low power dissipation and ease maintenance management are mandatory. Description With ...

arc flash protection relay
arc flash protection relay
AF0500 series

Trigger voltage: 110, 250, 100, 240 V

The AF0500 is a microprocessor-based arc-flash protection relay that limits arc-fault damage by detecting the light from an arc flash and rapidly tripping the feeder breaker. The unit is well suited for switchgear, transformer, motor ...

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Littelfuse
phase protection relay
phase protection relay
PGR-8800 series

Trigger voltage: 12, 48, 120, 240 V

The PGR-8800 is a microprocessor-based relay that limits arc-fault damage by detecting the light from an arc flash and rapidly tripping. Phase-current-transformer inputs are provided for current-constrained arc-flash protection and, when ...

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Littelfuse
earth-leakage protection relay
earth-leakage protection relay
PGR-6100 series

Tripping current: 10 mA - 3,000 mA

The PGR-6100 Ground-Fault & Insulation Relay is designed to provide basic protection for a motor, including ground fault protection and insulation monitoring. The fact that the PGR-6100 insulation monitoring relay has predictive as well ...

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Littelfuse
voltage protection relay
voltage protection relay
ZJJ series

ZJJ DC insulation monitoring relay monitorsthe insulation of the DC bus, and it sendsalarm signal when the bus-to-groundinsulation drops to a certain value,also it ispanel mounted type,and the relay has a high-sensitivity grounding resistance ...

earth-leakage protection relay
earth-leakage protection relay
DER3/0D

Tripping current: 0.03 A - 30 A
Trigger voltage: 48 V - 400 V

The residual current relays of the DER3 Dossena range can be used on LV networks in alternating current of the TT and TN type. They make it possible to achieve adequate selectivity and residual current protection thanks to the wide ...

differential protection relay
differential protection relay
DER3/0E

Tripping current: 0.03 A - 30 A
Trigger voltage: 48 V - 400 V

The residual current relays of the DER3 Dossena range can be used on LV networks in alternating current of the TT and TN type. They make it possible to achieve adequate selectivity and residual current protection thanks to the wide ...

differential protection relay
differential protection relay
DER3/0I

Tripping current: 0.03 A - 30 A
Trigger voltage: 48 V - 400 V

The residual current relays of the DER3 Dossena range can be used on LV networks in alternating current of the TT and TN type. They make it possible to achieve adequate selectivity and residual current protection thanks to the wide ...

power protection relay
power protection relay
ELR-1D

Trigger voltage: 24, 48, 110, 230 V

• Earth leakage relay type A • External toroidal • Green power LED indicator (ON) • Red relay tripped LED indicator (TRIP) • Front TEST and RESET buttons • Modular DIN housing, 1 module, with transparent cover, suitable for fixing ...

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Contrel elettronica
earth-leakage protection relay
earth-leakage protection relay
ELR-1E

Trigger voltage: 12 V - 415 V

ELR-1E External CT. 1 operation threshold. Adjustable tripping and delay time. Earth leakage relay with 1 operation threshold, flush mount. External CT. Introduction Range ELR Product name ELR-1E Product type Residual current protection ...

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Contrel elettronica
earth-leakage protection relay
earth-leakage protection relay
ELR-2

Trigger voltage: 24, 48, 110, 240, 415 V

ELR-2 External CT. 2 operation thresholds. Flag indicator (TRIP). Fail safe. Earth leakage relay with 2 operation thresholds, flush mount. External CT. Fail safe. Introduction Range ELR Product name ELR-2 Product type Residual ...

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Contrel elettronica
safety protection relay
safety protection relay
D1180D

FLAMMABLE LIQUID PRESENCE DETECTOR INTERFACE RELAY OUTPUT DESCRIPTION The Flammable Liquid Presence Detector Interface type D1180D is a DIN Rail unit configurable with two isolated independent channels. The unit can be configured for ...

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GM International srl
power protection relay
power protection relay
MPR24, MPR230 series

MPR24-MPR230 SERIES MOTOR PROTECTION RELAY - Compact size - 1 module - 17,5mm - 24VAC/DC or 90-264VAC Power supply - DIN rail mounting - Protection relay for motor with PTC sensor - Manual or automatic reset - Sensor test (PTC) - ...

phase loss protection relay
phase loss protection relay

An often-encountered shortcoming in industries is the systemic failure of the power supply structure to prevent three-phase motors from overheating and damage. Motors are equipped with Thermic-magnetic relay, a vital component that ...

over-voltage protection relay
over-voltage protection relay
800VPR-3

Tripping current: 5 A
Trigger voltage: 310 V - 520 V

Three phase voltage Protection relay Monitors: Over / Under voltage, Phase failure and Phase sequence Supply Voltage: 310 to 520V AC (L - L) 1 C/O DPDT output relay Auto reset feature available Specifications Measuring ...

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SELEC Controls Pvt. Ltd.
motor protection relay
motor protection relay
RX series

Tripping current: 1 A - 2,000 A
Trigger voltage: 0 V - 600 V

RX Motor Protection Relay Take your motor protection to a new level. The RX Series provides more than just solid state overload or power protection relays. By using features previously found only in large expensive Motor Protection ...

earth-leakage protection relay
earth-leakage protection relay
ELRM44V-3 (0.5s)

Tripping current: 0.03 A - 3 A

- Type A – Earth Leakage Relay - Local (and optional remote) Test/Reset buttons - Isolated Auxiliary supply - 1 x SPDT/1 x SPNO Relay outputs - 44mm wide, DIN Rail mount This product is used in conjunction with an external Core ...

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Broyce Control
earth-leakage protection relay
earth-leakage protection relay
IPR96D

Ground Protection Relay (IPR96D) has been designed to measure the ground RMS current under normal conditions or under disturbances. The current signals are sensed throughout a current transformer (CT). This information is internally ...

thermal protection relay
thermal protection relay
JR36 Series

Tripping current: 0.35 A - 160 A

JRS36 series bimetal type thermal over-load relay is suitable for the circuit of AC 50Hz, rated operating voltage Ue: AC 690V, current of 0.25~160A, as the use of over-load and break phase protection for the AC motor. Thermal ...

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PEOPLE ELE. APPLIANCE GROUP CO., LTD.
voltage protection relay
voltage protection relay
S91

Tripping current: 0 A - 16 A
Trigger voltage: 220 V - 415 V

S91 is a protection device for electric motors. It allows the detection of incorrect phase sequence or phase failure, excess current consumption, no-load operation with power factor measurement. The device has an input for PTC (thermistor ...

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