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Over-voltage protection relays
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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 ...

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 ...

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 industrial power distribution systems, including ...

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 ...
Siemens Energy automation and smart grid

Trigger voltage: 24, 110 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 ...

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

Trigger voltage: 24 V - 230 V
SIU-C GRID INTERCONNECTION The SIU-C represents the best and most precise protection solution for transformers and electrical machines in high, medium, and low-voltage distribution systems. The SIU-C is a voltage and frequency protection ...
FANOX ELECTRONIC

Trigger voltage: 24 V - 230 V
SIL-C FEEDER & GENERATOR PROTECTION RELAY High Accuracy and Reliability in a compact device The SIL-C Relay protects Feeders and Equipment and includes comprehensive current, voltage, and frequency protection for a compact device's ...
FANOX ELECTRONIC

SIL-S LPIT Feeder Protection We continue introducing new protection relays with comprehensive protection capabilities and a complete range of functions for switchgear in industrial and utility applications in compact devices. With current, ...
FANOX ELECTRONIC

Tripping current: 5 A
Trigger voltage: 250 V
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 ...

Tripping current: 5 A
Trigger voltage: 250 V
PR 240 is an excellent choice for telemetry applications for Motor monitoring, metering, and control. Its small size, low cost and remote HMI options make the relay a perfect option for power distribution systems for such uses as end-of-line ...

Trigger voltage: 400 V

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 ...
SELEC Controls Pvt. Ltd.

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. ...
Iskra d.d.

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 ...

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 ...
Crompton Instruments

Trigger voltage: 110, 208, 380, 400, 415 V
- 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 mount - ...
Broyce Control

Trigger voltage: 110, 208, 380, 400, 415 V
• Under and Over voltage monitoring (Window) • Monitors own three phase, 3-wire supply • Detects phase loss • Adjustable Trip levels and Time delay • SPDT Relay output • 17.5mm wide, DIN Rail mount • UL Listed The product monitors ...
Broyce Control

Trigger voltage: 200 V - 460 V
• Under/Over voltage monitoring (Window) with restart delay • Selectable Nominal voltages • Detects incorrect phase sequence and phase loss • Fixed Trip levels and adjustable Time delay • SPDT Relay output • 17.5mm wide, DIN Rail ...
Broyce Control

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), ...

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 ...

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 ...

PAS2980D series digital voltage comprehensive protection, measurement and control device is applicable to the protection, measurement and control of 110kV and lower voltage. It can not only be decentralized in switch cabinet and installed ...
Hangzhou Huning Elevator Parts Co., Ltd.

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. ...
Schweitzer Engineering Laboratories

PCS-931S line differential relay integrates main and back-up protection functions, which is designed for overhead line, cables and hybrid transmission lines of various voltage levels and provides comprehensive protection and control solutions. ...
NR Electric

XMR-P is a part of XMORE platform, the complete range of IEDs for Medium Voltage application including feeder, motor, generator, transformer and capacitor bank; it is the multifunction and comprehensive Feeder, Transformer, Motor and ...
THYTRONIC

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 ...

Tripping current: 63 A
Trigger voltage: 275, 175 V
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 unstable ...
Yueqing RunEasy Electronic Technology Co.,Ltd.

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 ...
Orion Italia

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 ...
EL.CO.

-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 ...

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 ...

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. ...
Arcteq Relays Ltd
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