Adjustable protection relays

20 companies | 45 products
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time delay protection relay / adjustable / panel-mount / for generators
time delay protection relay
PGR-4300 series

Tripping current: 100 A - 1,000 A

The PGR 4300 is a generator protection relay by Littlefuse. The unit functions as a simple device for alarming when the condition is ground fault without using any transformers. Using this, it makes the ...

thermal protection relay / phase loss / adjustable / for electric motors
thermal protection relay
ZEB, Z series

... functional safety and service life of a motor depend mainly on the motor protection. From attractively priced bimetal options to full motor protection with networking options, Eaton offers ...

overload relay / adjustable / electronic / single-phase
overload relay
TI 630 E

Tripping current: 160 A - 630 A
Trigger voltage: 230 V

... Function MANUAL RESET Packing format Multi pack Product description Elec.Motor Protection Relay Product group Contactors and motor starters Product name Overload relay Quantity per ...

earth-leakage protection relay / adjustable / modular / electronic
earth-leakage protection relay
DM30

Trigger voltage: 120, 230 V

... is composed of multirange electric modular relays. It is specifically designed for direct pulse currents. Its delay time and sensitivity can be adjusted, with near-immunity to external interruptions. The relay ...

earth-leakage protection relay / time delay / adjustable / modular
earth-leakage protection relay
DR30

Trigger voltage: 120, 230, 24 V

... an electronic relay that comes with an automatic reclosing of 3 attempts. The device has a delay time and sensitivity that can be adjustable. It is already resistant to outer disturbances, and has a ...

earth-leakage protection relay / time delay / adjustable / DIN rail
earth-leakage protection relay
ELR-3C

Trigger voltage: 24 V - 400 V

... earth leakage protection reclosing relay that is equipped with EN-50022-35 DIN rail mounting and front cover. This provides a reclosure of an AC and DC electronic breaker and spontaneously reset itself. ...

earth-leakage protection relay / differential / adjustable / electronic
earth-leakage protection relay
RG1M series

WG series electronic differential protection relay for connection to external WG / WGS / WGC series toroidal transformers These are highly reliable electronic relays with the option ...

earth-leakage protection relay / adjustable / modular / electronic
earth-leakage protection relay
RGE series

Electronic earth leakage protection relay, used to connect to the earth leakage transformers WG / WGC Series These electronic relays offer a high reliability, with the option of a ...

trip circuit protection relay / 1 NO/NC / time delay / adjustable
trip circuit protection relay
GMP series

Multi-Protection Wide and adjustable current setting range Adjustable trip time (trip class 5-10-15-20-30) Various connection way Screw connection & Separate mount, Direct mount, Passing ...

earth-leakage protection relay / current / programmable / digital
earth-leakage protection relay
ELR-3A

Trigger voltage: 240 V

Earth Differential Relay Type A • earth leakage current measurement by external toroidal gearbox • measurement in true effective value (trms) • programming and display via a backlit LCD display - fault current (red ...

earth-leakage protection relay / current / programmable / digital
earth-leakage protection relay
ELR-3B

Trigger voltage: 250, 230 V

... Monitor device Type B. Associated to external core balance transformer the CTB-1/xxx family. It has 2 programmables outputs relays. Main trip and prealarm signal. It has one free voltage input for external TRIP/RESET. ...

phase protection relay / adjustable / DIN rail
phase protection relay
FK-05F

Trigger voltage: 150 V - 460 V

General Asymmetry adjustable phase protection relays are designed to protect the threephased motors that is threaten by failures that is originated from network voltages.

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Tense
voltage protection relay / time delay / adjustable / DIN rail
voltage protection relay
UVR-10

Trigger voltage: 170 V

Under Voltage Relay - Delay Time Adjustable UVR-10 Under Voltage Relay is designed for preventing threephase devices to get harmed from long-term voltage fluctuations.

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Tense
phase protection relay / adjustable / DIN rail
phase protection relay
FK-15

Trigger voltage: 150 V - 460 V

General Asymmetry adjustable phase protection relays are designed to protect the threephased motors that is threaten by failures that is originated from network voltages.

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Tense
over-voltage protection relay / under-voltage / phase sequence / phase loss
over-voltage protection relay
VPR-A

Tripping current: 0 A - 0 A
Trigger voltage: 0 kV

The Voltage Protection Relay (VPR-A) has been designed to measure the line or phase RMS voltages under normal conditions or under disturbances. This information is internally processed by the microprocessor, ...

distance protection relay / power / pulse / digital
distance protection relay
7SA82/86/87 series

... independent measuring loops (6-system distance protection) •Several distance-protection functions can be selected: Classic, reactance method (RMD), impedance protection for transformers •Directional ...

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Siemens Energy automation and smart grid
over-current protection relay / under-current / time delay / adjustable
over-current protection relay
PAP series

Trigger voltage: 24, 240 V

... level Imin, the protector will trip and the red LED will illuminate indicating the fault condition. During the time delay period the red LED will flash for the set time (t) before the relay de-energises output ...

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Crompton Instruments
thermal protection relay / under-voltage / over-voltage / earth-leakage
thermal protection relay
FPC 400

Tripping current: 1,000, 5 mA

FPC 400 is a family of current and voltage digital protection relays with easy to use interface meant for variety of solutions in industry and power distribution. Its robust design enables it to be placed ...

over-voltage protection relay / under-voltage / over-current / arc flash
over-voltage protection relay
SEL-751

Feeder Protection Relay The SEL-751 Feeder Protection Relay is ideal for directional overcurrent, fault location, arc-flash detection, and high-impedance fault detection ...

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Schweitzer Engineering Laboratories
current protection relay / single-phase / adjustable / DIN rail
current protection relay
RM2I

Current relay 2 Module Min or max alarm, selectable on field Input 5A or 1A Adjustable set point, hysteresis and delay Field selectable negative or positive security (fail safe) Intervention ...

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IME Spa
earth-leakage protection relay / differential / time delay / adjustable
earth-leakage protection relay
RESYS M40

Tripping current: 0.03 A - 30 A

The Resys M40 is a type A differential relay manufactured by Socomec. Integrated with a remote trip breaking device, it provides an indirect contact protection and a leakage current limitation. Designed ...

over-voltage protection relay / under-voltage / phase loss / phase unbalance
over-voltage protection relay
SM 500

The SM 500 model engineered by General Industrial Controls, is an under voltage and overvoltage protection relay that functions as a protection against phase loss and phase reversal. ...

over-voltage protection relay / under-voltage / SPDT / single-phase
over-voltage protection relay
MXCVR

... voltage trip level Adjustment for time delay (from under or over voltage condition) I x SPDT relay output 8A Intelligent LED indication for supply and relay status

over-voltage protection relay / under-voltage / frequency / adjustable
over-voltage protection relay
KCFV54x series

Trigger voltage: 100 V - 480 V

... KCFV54x Series KCFV54x - THREE PHASE - 4-WIRE FREQUENCY AND VOLTAGE GUARD Under and Over Voltage and Frequency Protection Adjustable Voltage and Frequency Deviation Set points "Pathfinder" ...

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Meagacon AS
phase loss protection relay / overload / with fault indication / digital
phase loss protection relay
TPM5

Tripping current: 5 A

Protection relay against overload, underload, and phase loss. With display. Codes and references - 10002217 TPM5-230 - 10002218 TPM5-400 - 10002451 TPM5/5-230 - 10002452 TPM5/5-400 Specifications - ...

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Toscano Linea Electronica
phase protection relay / adjustable / for electric motors
phase protection relay
FMFK series