Over-voltage protection relays

31 companies | 89 products
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over-voltage protection relay
over-voltage protection relay
111-Insider-P series

Trigger voltage: 133 V

The Littelfuse 111-Insider-P single-phase products fit inside 1/3 and 1/2 115V control boxes and are designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, rapid-cycle, overvoltage, and undervoltage conditions. A ...

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 ...

grid and system protection relay
grid and system protection relay
RE NA003-M64

Trigger voltage: 110, 24 V

Grid protection monitoring relay RE series; Frequency and voltage monitoring; Grid and system protection; Functionally Safe; Measuring voltage 3 x 400/230V AC; Supply voltage 24V DC, 110-240V AC; 3 CO contacts; Width 107 mm; Installation ...

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

SIA-F SF6 & METAL-CLAD SWITCHGEAR PROTECTION RELAYS Fanox SIA-F is our most competitive and cost-effective solution for overcurrent and earth-fault protection. Like all other Fanox protection relays the compact size with reduced depth ...

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
FKM-05

Trigger voltage: 140 V - 300 V

The phase protection relays are designed to protect the three-phase loads from damage caused by mains voltage. High Voltage : 300V Low Voltage : 140V Asymmetry : 5% - 25% (Adjustable) Error Waiting Time : 0,1 sec. ...

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Tense Electronic
over-voltage protection relay
over-voltage protection relay
FKV-24F

Trigger voltage: 180 V - 500 V

The phase protection relays are designed to protect the three-phase loads from damage caused by mains voltage. High Voltage : 500V Low Voltage : 180V Asymmetry : 11% (Adjustable) Error Waiting Time : ~2sec. (Adjustable) ...

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Tense Electronic
digital protection relay
digital protection relay
FKD-01F

Trigger voltage: 380 V

Digital Phase Failure Relay with 3×3 Digit LED Display Features The phase protection relays are designed to protect the three-phase loads from damage caused by mains voltage. - High Voltage : 440V - Low Voltage : 270V - Asymmetry ...

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Tense Electronic
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.
single-phase protection relay
single-phase protection relay

Tripping current: 63 A
Trigger voltage: 275, 175 V

Description: The self-reset over voltage and under voltage protective device considered modular design. The circuit board adopted good quality Latching relays and others components with reliable performance. When the power supply ...

three-phase protection relay
three-phase protection relay

Tripping current: 63 A
Trigger voltage: 300, 460 V

Description: The self-reset over voltage and under voltage protective device considered modular design. The circuit board adopted good quality Latching relays and others components with reliable performance. When the power supply is ...

digital protection relay
digital protection relay

Tripping current: 63 A
Trigger voltage: 275, 170 V

Description: The self-reset over voltage and under voltage protective device considered modular design. The circuit board adopted good quality Latching relays and others components with reliable performance. When the power supply is ...

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
RZ1VK169

Trigger voltage: 400 V

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), ...

over-voltage protection relay
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" function Optional ...

over-voltage protection relay
over-voltage protection relay
KCV114x series

Trigger voltage: 100 V - 460 V

KCV114x KCV114x - SINGLE PHASE AC VOLTAGE GUARD Generator Over/Under Voltage Guard, not affected by heavily distorted waveform Complies with G59 requirements Integral true RMS transducer Fast analogue output (F-versions) Optional DIN96 ...

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 ...

motor protection relay
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 RS-485 and bluetooth connectivity, of the system’s ...

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 ...

earth-leakage protection relay
earth-leakage protection relay
VIPAM3500

Introduction of item VIPAM3500 (Integrated Electronic Device) is a digital protection relay that enables a high-precision measurement and protection relay for switchgear power equipments. The switchgear panel became compact by connecting ...

over-voltage protection relay
over-voltage protection relay
VIPAM3500C

Introduction of item VIPAM3500C is a digital integrated protection relay that enables high-precision measurement and protection relay for switchgear power equipment. The switchgear panel became compact by connecting various protection ...

over-voltage protection relay
over-voltage protection relay
VIPAM3300-F

Introduction of item The VIPAM3300-F is a compact-size digital integrated protection relay that provides high-precision measurement and protective relay for electrical power receiving/ distribution equipment. The mounted 32-bit high ...

IEC protection relay
IEC protection relay
REU615

Voltage protection and control REU615 IEC Compact and versatile solution for utility and industrial power distribution systems REU615 is a voltage protection and control relay for voltage and frequency-based protection in utility and ...

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ABB Oy Distribution Automation
earth-leakage protection relay
earth-leakage protection relay
Reyrolle 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 DGP is a digital system which provides a wide range of protection, monitoring, control and recording functions for AC generators. It can be used on generators driven by steam, gas and hydraulic turbine. Any size of generator can be ...

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GE Grid Solutions
electric motor protection relay
electric motor protection relay
C441

Tripping current: 1 A - 540 A
Trigger voltage: 170 V - 660 V

Take control of your process The C441 Motor Insight overload relay is an advanced low-voltage motor protection relay. The embedded intelligence helps customers save energy, optimize maintenance schedules and configure greater system ...

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 ...

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
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
over-voltage protection relay
over-voltage protection relay
600VPR-310/520V

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 Failure Electrical Connection 3Ø-3W Time Ranges Trip Time Delay : 0.2 to 10 sec, Power ...

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SELEC Controls Pvt. Ltd.
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
three-phase protection relay
three-phase protection relay
LXPRC/S

Trigger voltage: 110, 208, 380, 400, 415 V

LXPRC/S - Under and Over voltage monitoring (Window) - Monitors own three phase, 3-wire supply - Detects incorrect phase sequence and phase loss - Adjustable Trip levels and Time delay - SPDT Relay output - 17.5mm wide, DIN Rail ...

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Broyce Control
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
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 ...