Over-current protection relays

30 companies | 124 products
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over-current protection relay
over-current protection relay
SIPROTEC 7SJ series

SIPROTEC 7SJ81, SIPROTEC 7SJ82, SIPROTEC 7SJ85 and SIPROTEC 7SJ86 The SIPROTEC 7SJ82/7SJ85 overcurrent protection has been designed specifically for protection of feeders and lines in medium-voltage and high-voltage systems. The SIPROTEC ...

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Siemens Energy automation and smart grid
over-current protection relay
over-current protection relay
MCR-225

Trigger voltage: 230 V

Relais for SC4 Inputs for SCA4 + SCB4 Output: 2 makers and 1 breaker Monitoring of external contactors for contact multiplication and reinforcement via feedback loop Y1 - Y2 Over-current and short-circuit proof Realisation of several ...

earth-leakage protection relay
earth-leakage protection relay
SIA B

Trigger voltage: 230, 24, 110 V

The SIA-B with specific CT’s are Dual & Self powered Overcurrent and Earth Fault Protection Relays, using the operating current through three specific current transformers fitted on the lines. Thanks to this adaptation the SIA-B relays ...

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FANOX ELECTRONIC
over-current protection relay
over-current protection relay
SIA-B Standard CT's

Trigger voltage: 24 V - 230 V

SIA-B STANDARD CT’S, THE ULTIMATE TECHNOLOGY IN PROTECTION SOLUTIONS. Advanced OC&EF Self-Powered Protection Relay SIA B with Standard CT’s, is an overcurrent protection relay with self powered and dual powered (Self-powering + Auxiliary ...

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FANOX ELECTRONIC
earth-leakage protection relay
earth-leakage protection relay
SIA-C

SIA-C Relays are Dual & Self powered overcurrent and earth fault Protection Relays, that obtein the energy to power itself tanks to STANDARD CURRENT TRANSFORMES on the lines. Besides, due to the low consumption of this relay, the required ...

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FANOX ELECTRONIC
over-current protection relay
over-current protection relay
AQ-110F

AQ 110 is a sophisticated micro-processor based arc flash protection unit with combined current and arc sensing. Combined current and arc sensing provides an integrated dual trip criteria. It is designed to minimize the damage caused ...

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Arcteq Relays Ltd
over-current protection relay
over-current protection relay
D5202S

SIL 3, 4 A, 24 VDC POWER DISTRIBUTION AND DIAGNOSTIC MODULE DESCRIPTION The D5202S is used to protect the power system by limiting the maximum supply current for a set of D5000 modules connected via Power Bus. This is particularly useful ...

over-current protection relay
over-current protection relay

The DKR-24 Series, manufactured by Entes, is an overcurrent protection relay designed to avoid damage from overloading the motor. This is equipped with electronic coil controller, same dimensions of AC and DC devices, combined suppressors ...

earth-leakage protection relay
earth-leakage protection relay
SMPR-2

The SMPR has been designed to measure line currents and thermal image, ground RMS current under normal conditions or under disturbances. This information is internally processed by the microprocessor, to take the protection actions defined ...

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Orion Italia
over-current protection relay
over-current protection relay
IPR-A

Phase Over-Current & Ground Fault Relay Current Protection Relay IPR-A is designed to protect medium voltage lines against over-current and short circuit scenarios present in line fault or ground fault even under disturbances. Currents ...

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Orion Italia
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 ...

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Orion Italia
over-current protection relay
over-current protection relay
ALP series

Tripping current: 100 mA - 100,000 mA

The ALP series covers overcurrent protection for either instantaneous or timed overcurrent including definite time overcurrent. Offers standard IEC and IEEE inverse time overcurrent curves DNP3 and IEC61850 GOOSE communication ...

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 ...

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VitzroEM Co., Ltd.
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 ...

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VitzroEM Co., Ltd.
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 ...

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VitzroEM Co., Ltd.
over-current protection relay
over-current protection relay

Franklin invented a lightning arrester! Taiwanese Leon Hsu invented a power-free cutout!! 1. Smart Power-Free Shockproof Overcurrent Trip (POCT) Introduction: An autonomous shockproof cutout~ Short-circuit accident nemesis~ Japan ...

overload relay
overload relay
MAG10x series

Trigger voltage: 100 V - 460 V

MAG10x - UNIVERSAL GENERATOR / MOTOR PROTECTIVE GUARD All-in-one unit combining Reverse Power, Overload, Over Current and Short Circuit functions "Predictor" early action feature One common alarm output eases installation "Pathfinder" ...

over-current protection relay
over-current protection relay
ETMFC50

-Digital relay for Epoxy Fault Interrupter(EFI) -51, 50, Sectionalizer Function, Overcurrent Lock Function and Contact Wear Monitor -Programmable SCADA I/O port -Inrush current suppression

earth-leakage protection relay
earth-leakage protection relay
ETR20/H

-Microprocessor enabled digital protection relay, self-powered by the operating current -Microprocessor enabled digital protection relay, self-powered by the operating current -Installed in manually operated Ring Main Unit to perform ...

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 ...

earth-leakage protection relay
earth-leakage protection relay
REF601

Trigger voltage: 24 V - 265 V

Feeder protection REF601 Entry-level numerical relay for distribution networks REF601 is a dedicated feeder protection and control relay intended for the protection and control of utility and industrial power systems in primary and ...

phase protection relay
phase protection relay
MIGII

The MIGII, part of the M II Family of economical and highly functional digital relays, provides comprehensive protection for small generators. It can also be used to protect small motors, or as a backup protection for transformers, and ...

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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 ...

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Eaton Count Control Products
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
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-current protection relay
over-current protection relay
2-6500 series

Trigger voltage: 28, 250 V

Bimetal operated single pole motor protection controls with automatic reset actuation, small physical size, reliable snap-action mechanism. Caution: In specifying these 2 products, care should be taken to ensure that automatic motor ...

over-current protection relay
over-current protection relay
900CPR-1-230V

Trigger voltage: 250 V

1Ø -Digital Current Protection Relay [900CPR-1-230V] Measuring Parameter Under Current, Over Current Protection for 1Ø System Electrical Connection 1Ø-2W Display 3 Digit Liquid Crystal Display CT Setting CT Primary: 1A/5A – 999A, CT ...

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SELEC Controls Pvt. Ltd.
over-current protection relay
over-current protection relay
SEL-311L

Use the SEL-311L Line Current Differential Relay with integral four zone distance backup for easy-to-apply, high-speed line protection. Apply subcycle current differential protection with included four zone distance and directional overcurrent ...

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Schweitzer Engineering Laboratories
over-current protection relay
over-current protection relay
CGI 14N/C

CGI 14N/C is a numerical over current and earth fault relay, entirely digitized and integrated with microprocessor technology. This allows for analog to digital conversion of the valves and then their numerical processing. The relay uses ...

earth-leakage protection relay
earth-leakage protection relay
P9680

Tripping current: 0.1 A - 100 A

P9680 - Overcurrent and Earth Fault detection (IDMT) - 6 Selectable IDMT curves - Programmable Low-set and High-set tripping - LCD with live display of currents - Last trip memory/history recall - Pre-defined selectable CT ratio’s - ...

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Broyce Control
over-current protection relay
over-current protection relay
VAMP 52

VAMP 52 Feeder and Motor Protection Relay Key Features: Multifunctional yet user-friendly Extensive thermal protection functions optimal for low and medium-sized asynchronous motors Directional earth fault protection and auto-reclose ...

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Vamp
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 ...

distance protection relay
distance protection relay
PCS-931S

PCS-931S provides full-scheme current differential and distance protection solutions for transmission lines with high-speed sub-cycle distance element. As well, the pilot scheme of distance protection and earth fault protection are integrated ...

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NR Electric