Under-voltage protection relays

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overload relay
overload relay
MP8000 series

Trigger voltage: 90 V - 690 V

The MP8000 is an advanced motor protection electronic overload relay that is fully programmable via Bluetooth* using an iPhone* or Android* smartphone or tablet with the Littelfuse App. It is easy to use and arc-flash safety is increased ...

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 ...

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 ...

phase sequence protection relay
phase sequence protection relay
SIU-C

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 ...

phase unbalance protection relay
phase unbalance protection relay
SIL-C

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 ...

feeder protection relay
feeder protection relay
SIL-S LPIT

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, ...

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

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 ...

grid and system protection relay
grid and system protection relay
NA003.COM-64

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 ...

over-voltage protection relay
over-voltage protection relay
PR200

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 ...

under-voltage protection relay
under-voltage protection relay
GPV8

Trigger voltage: 265, 175 V

Overvoltage and Undervoltage protection for household equipment FEATURES • Supply voltage measurement and protection. • Double bus wiring design stronger ability. • Self-reset after the fault. • Relay status is indicated by ...

under-voltage protection relay
under-voltage protection relay
D-PRO

Multifunction protection relay used to provide additional generator protections in more demanding applications, such as medium or high voltage plants, or oil & gas installations. D-PRO is studied in order to expand functions and protections ...

level protection relay
level protection relay
FPC 400

Tripping current: 5,000, 1 mA

FPC 400 is a family of 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 in demanding industrial environments ...

phase unbalance protection relay
phase unbalance protection relay
MS2P49

The MS2P49 output relay is normally energised and drops out when phase angle unbalance is greater than the pre-set, under voltage or reverse phase sequence. The main earth fault protection relays in distributions systems, power stations ...

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 ...

under-voltage protection relay
under-voltage protection relay
VEU230, VEU400

VEU230 / VEU400 SERIES UNDER VOLTAGE RELAY - Compact Size - 1 Module ( 17,5mm) - Monitor own supply and detects if one or more phases exceed the set under voltage trip levels - Measure phase to phase voltage - Adjustament for under ...

over-voltage protection relay
over-voltage protection relay
VEUM400, VEUM400N series

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 to phase voltage - Adjustament ...

over-voltage protection relay
over-voltage protection relay
RZ1VK169

Trigger voltage: 400 V

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 ...

over-voltage protection relay
over-voltage protection relay
RMV-122D

Trigger voltage: 80 V - 120 V

The Deiv RMV-122D is an under-voltage and overvoltage relay of (U) that can protect generators, motors and transformers from adverse system voltage conditions. In addition, this device is suitable for operations in marine and land based applications.

over-voltage protection relay
over-voltage protection relay
RMV 142D

Trigger voltage: 80 V - 120 V

These Uni-line protective voltage relays are applicable for the security of generators, engines and transformers against adverse framework voltage conditions. These are adaptable units ideal for both marine and land based applications. The ...

IEC protection relay
IEC protection relay
REU615

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 ...

over-voltage protection relay
over-voltage protection relay
800VPR-3

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 ...

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SELEC Controls Pvt. Ltd.
digital protection relay
digital protection relay
PAS2980D

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 ...

over-voltage protection relay
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 applications. Flexible I/O options, easy mounting, and fast settings ...

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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
PAD series

Trigger voltage: 24 V - 240 V

Under and Over Current - PAD • Single-phase • Monitors decrease of current under a set level Imin and simultaneously an over range of current above a set level Imax • Independently adjustable delay on both over and under set points • ...

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Crompton Instruments
single-phase protection relay
single-phase protection relay

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 (voltage ...

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Yueqing RunEasy Electronic Technology Co.,Ltd.
three-phase protection relay
three-phase protection relay
LXPRC/S

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 - ...

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Broyce Control
distance protection relay
distance protection relay
PCS-931S

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. ...

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NR Electric
over-voltage protection relay
over-voltage protection relay
XMR-P

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 ...

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THYTRONIC
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 ...

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Orion Italia
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
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