Voltage protection relays

37 companies | 163 products
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over-voltage protection relay / AC/DC / DIN rail
over-voltage protection relay
9079 series

... high-amplitude and low frequency surge voltages e g occurring dunng réguler electric railway operation along railway lines They provide sufficient safety even in the worst case scénario if the overhead ...

voltage protection relay / high-voltage / panel-mount
voltage protection relay

Eaton delivers sophisticated power protection for low- and medium voltage applications. Protective Relays provide you with unique microprocessor-based devices that eliminate ...

earth-leakage protection relay / current / voltage / AC/DC
earth-leakage protection relay
Vigirex RH10MP-RH21MP-RH99MP-RH197-RHU

... from having direct or indirect contact with stray voltages, and therefore prevent them from getting an electric shock. They also protect equipment from fire/explosion hazards. They have a supply voltage ...

voltage protection relay / earth-leakage / overload / current
voltage protection relay
RX-5

Tripping current: 1 A - 1,000 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. ...

over-voltage protection relay / under-voltage / single-phase / DIN rail
over-voltage protection relay
600VPR-1

Trigger voltage: 170 V - 290 V

3Ø-Analog Voltage Protection Relay, Operating Range: 170/290V [600VPR-170/290V] Measuring Parameter Under Voltage, Over Voltage, Phase Sequence, Phase ...

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SELEC Controls Pvt. Ltd.
over-voltage protection relay / under-voltage / phase sequence / single-phase
over-voltage protection relay
600VPR

Trigger voltage: 310 V - 520 V

3Ø-Analog Voltage Protection Relay, Operating Range: 310/520V [600VPR-310/520V] Measuring Parameter Under Voltage, Over Voltage, Phase Sequence, Phase ...

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SELEC Controls Pvt. Ltd.
over-voltage protection relay / under-voltage / phase sequence / phase loss
over-voltage protection relay
900VPR-2

Trigger voltage: 280 V - 520 V

3Ø-Digital Voltage Protection Relay, Self Powered [900VPR-2-280/520V] Measuring Parameter Under Voltage, Over Voltage, Under Frequency, Over Frequency, ...

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SELEC Controls Pvt. Ltd.
over-voltage protection relay / earth-leakage / trip circuit / digital
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 ...

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FANOX ELECTRONIC
generator protection relay / voltage / current / digital
generator protection relay
SIL G Advanced

Trigger voltage: 48, 230, 24, 220 V

Fanox SIL-G is a relay for primary distribution which can protect a feeder by means of current, voltage and frequency functions. His main features include Arc Flash Protection with 4 ...

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FANOX ELECTRONIC
voltage protection relay / frequency / synchronization / digital
voltage protection relay
SIL-V Voltage & Frequency Protection Relay

Voltage & Frequency Protection Relay The SIL-V is a voltage and frequency protection relay and represents the best and precise protection ...

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FANOX ELECTRONIC
over-voltage protection relay / under-voltage / phase unbalance / phase loss
over-voltage protection relay
VEUM400, VEUM400N series

... UNDER-OVER VOLTAGE RELAY - Compact Size - 1 Module ( 17,5mm) - Monitor own supply and detects if one or more phases exceed the set under or over voltage trip levels - Measure phase ...

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EL.CO.
over-voltage protection relay / under-voltage / three-phase / differential
over-voltage protection relay
AQ-L350

AQ-L350 is a line protection IED with line differential protection for transmission and sub-transmission line protection applications. It integrates a full range of line protection ...

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Arcteq Relays Ltd
voltage protection relay / three-phase / time delay / adjustable
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 ...

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 ...

over-voltage protection relay / over-current / phase sequence / IEC
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 ...

motor protection relay / voltage / phase sequence / current
motor protection relay
MPR-100

Motor Protection Relay The device has been designed for continuous monitoring of electrical parameters in low voltage systems. It allows direct, close-distance or remote monitoring via ...

current protection relay / excitation loss / over-voltage / under-voltage
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 / under-voltage / panel-mount / programmable
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 ...

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ABB Oy Distribution Automation
differential protection relay / voltage / digital / modular
differential protection relay
7SD82/86/87 series

... differential protection have been designed particularly for the selective protection of overhead lines and cables with single-ended and multi-ended infeed in medium-voltage and high-voltage ...

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Siemens Energy automation and smart grid
voltage protection relay / panel-mount / digital / programmable
voltage protection relay
EMR-4000

EMR-4000 relay from the Eatons has a microprocessor-based relay to provide multifunctional protection for the various size and capacity motors. However, it is mostly used on medium and ...

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Eaton Count Control Products
voltage protection relay / arc flash / current / AC/DC
voltage protection relay
857 series

... advantage the motors output capabilities. It presents current, voltage and motor protection functions. The exclusive protection relay harmonizes the the low voltage ...

over-voltage protection relay / under-voltage / over-current / under-current
over-voltage protection relay
PAD series

Trigger voltage: 24 V - 240 V

... output relays • Three module version Under or Over Current - PAP/V • Three-phase, three/four-wire • Continuously monitors to provide under or over protection (set level In) • Monitors three-phase current • ...

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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 ...

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Iskra d.d.
over-voltage protection relay / under-voltage / single-phase / multifunction
over-voltage protection relay
250-7X

Trigger voltage: 120 V

... 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 ...

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TE Relays, Contactors & Switches
over-voltage protection relay / over-current / arc flash / under-voltage
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
under-voltage protection relay / over-voltage / digital / programmable
under-voltage protection relay
CGV 24N/C

... processor (DSP). A noted feature of the relay is its Definite Time Lag (DTL). The second is that it can be field programmed to ensure protection; hence fitted with Under voltage / Over ...

voltage protection relay / single-phase
voltage protection relay
RM2U

Voltage relay 2 Module Min or max alarm, selectable on field Direct input up to 400V Adjustable set point, hysteresis and delay Field selectable negative or positive security (fail safe) Intervention ...

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IME Spa
over-voltage protection relay / under-voltage / overload / over-current
over-voltage protection relay
T-PRO 4000

... 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 ...

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ERLPhase
under-voltage protection relay / over-voltage / under-frequency / over-frequency
under-voltage protection relay
SVF5940 series

The relay type SVF5940 is intended for the protection of electric lines and machines against line voltage, frequency and rate of frequency change; it covers all protection ...

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

... 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 ...

over-voltage protection relay / under-voltage / phase loss / DIN rail
over-voltage protection relay
RZ1VK169

Trigger voltage: 400 V

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EMAS