Over-voltage protection relays

22 companies | 53 products
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over-voltage protection relay
over-voltage protection relay
9079 series

Series 9079 Over-voltage protectors for applications up to 100 V DC, or 75 V AC based on varistor technology are available as single components. Description The HUBER+SUHNER DC Block product line include DC blocks (inner conductor ...

over-voltage protection relay
over-voltage protection relay
SIA-F

SIA-F – SF6 & METALCLAD SWITCHGEAR OC&EF PROTECTION RELAY SIA-F protection relay is suitable to protect installations against O/C and E/F. Its compact size makes this relay adequate for installition where the space is critical. Optionally, ...

over-voltage protection relay
over-voltage protection relay
VP series

Trigger voltage: 230, 275 V

The VP range of products protect electrical equipment and installations against transient overvoltage that may arise in the electrical supply. Besides, the VP range can be classified into 3 different types (C, B, B+C) which provide the ...

over-voltage protection relay
over-voltage protection relay
VEM230, VEM400

VEM230 / VEM400 SERIES OVER VOLTAGE RELAY - Compact Size - 1 Module ( 17,5mm) - Monitor own supply and detects if one or more phases exceed the set over voltage trip levels - Measure phase to phase voltage - Adjustament for ...

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EL.CO.
over-voltage protection relay
over-voltage protection relay
AQ-G215

The AQ-G215 generator protection IED is well suited for machines requiring complete generator protections. It can be combined with AQ-T216 to protect larger machines requiring differential protection and greater protection redundancy. ...

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Arcteq Relays Ltd
over-voltage protection relay
over-voltage protection relay
SMPR-1

Current Voltage Power Feeder Protection Relay The SMPR has been designed to measure the line and the ground RMS currents and supply RMS voltages under normal conditions or under disturbances. This information is internally processed ...

over-voltage protection relay
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, to take the voltage protection ...

over-voltage protection relay
over-voltage protection relay
7SR242

The 7SR242 is used as a protection, control and monitoring relay for two winding transformers of all vector groups, primary configurations/connections and earthing connections. Features The relay functionality also allows its application ...

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Siemens Energy automation and smart grid
current protection relay
current protection relay
DGP

The digital system of DGP is a perfect choice for providing safety, security, monitoring, recording, and controlling various functions of AC generators. This digital system can be deployed over generators that are run by gas, steam, hydraulic ...

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GE Grid Solutions
over-voltage protection relay
over-voltage protection relay
REU615 IEC

ABB line of voltage protection boasts a two standard configurations. The Voltage Protection and Control REU615 IEC offers a pre - adapted for voltage and frequency based protection applications in utility and industrial power systems ...

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ABB Oy Distribution Automation
over-voltage protection relay
over-voltage protection relay
PAO series

Trigger voltage: 24, 240 V

Should the monitored current exceed the set point level Imax, 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 ...

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Crompton Instruments
under-current protection relay
under-current protection relay
FPC 200, Protection relay

Tripping current: 0.3 A - 30 A

FPC 200 is a current or 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 even in demanding industrial environments. ...

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Iskra d.d.
over-voltage protection relay
over-voltage protection relay
250-7X

Trigger voltage: 120 V

The 250-14XAC, manufactured by TE, is a sensor and protective relay that is ideally used in an AC actuating system and is equipped with a protective relay type. Furthermore, this device has an input voltage rate of 67 VAC and an over ...

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TE Relays, Contactors & Switches
over-voltage protection relay
over-voltage protection relay
SEL-351

The SEL-351 Protection System has built-in Ethernet and IEEE C37.118 synchrophasors, and is ideal for directional overcurrent applications. Optional Mirrored Bits® communications and power quality monitoring add flexibility to solutions. ...

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Schweitzer Engineering Laboratories
under-voltage protection relay
under-voltage protection relay
CGV 24N/C

CGV 24C is an Under-voltage & Neutral Display Relay, fully digitized and integrated with microprocessor technology. It can easily convert the analog values into the digital version and subsequent numerical processing. There is a computational ...

over-voltage protection relay
over-voltage protection relay
T-PRO 4000

The IEC 61850 station bus embedded T-PRO relay provides complete 3-phase multi-winding transformer fault and overload protection, DFR-quality fault oscillography, sequence of event logging, trend recording, in a fully integrated protective ...

over-voltage protection relay
over-voltage protection relay
DVK series

The undervoltage relays series DVK are intended for the protection of electric lines and machines against voltage drop or loss of phase. Operation is delayed with independent time.

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THYTRONIC
over-voltage protection relay
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. This device is capable of being configured for a 3 ...

over-voltage protection relay
over-voltage protection relay
RZ1VK169

Trigger voltage: 400 V

over-voltage protection relay
over-voltage protection relay
M3PRT-2

Trigger voltage: 336, 624 V

Type: M3PRT/2 & M3PRT/2-4W Phase Failure, Phase Sequence and Under Voltage plus Time Delay □ 35mm DIN rail housing □ Microprocessor controlled with internal monitoring (self-checking) □ Monitors own supply and detects ...

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Broyce Control
over-voltage protection relay
over-voltage protection relay
KPFV51x series

Trigger voltage: 100 V - 480 V

KPFV51x - SINGLE PHASE - FREQUENCY AND VOLTAGE GUARD Under and Over Voltage and Frequency Protection Adjustable Voltage and Frequency Deviation Set points "Pathfinder" function Optional very fast analogue output (<50mS), ...

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Meagacon AS
over-voltage protection relay
over-voltage protection relay
RMV-112D

Trigger voltage: 80 V - 120 V

These Uni-line defensive voltage transfers are ideal generator protection, engine and transformer security against antagonistic framework voltage conditions. The adaptable units offer various movable parameters. The protective Voltage ...

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DEIF
over-voltage protection relay
over-voltage protection relay
OVR, OCR

-Economical protection relay for Switchgear -Selectable application by use of protection functions: ㆍOCR (Over Current Relay) ㆍOCGR (Over Current Ground Relay) ㆍOVR (Over Voltage Relay) ㆍOVGR (Over Voltage Ground ...

phase protection relay
phase protection relay
PR200

PR200 motor protection relay is an all-in-one solution designed to continuously monitor 3-phase power lines for abnormal conditions. It can use with motors less than 690V/820A. Packed inside a small and economic package you’ll find a ...