Over-current protection relays

25 companies | 85 products
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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
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 ...

phase sequence protection relay
phase sequence protection relay
DMP series

Multi-Protection : against overcurrent, undercurrent, Stall, Lock, phase unbalance, phase reversed Asymmetry, Ground fault, Short circuit Real time processing and high precision by using Micro Controller Unit Display the causes of the ...

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LS Industrial Systems
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
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

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 ...

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 ...

earth-leakage protection relay
earth-leakage 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 ...

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 ...

over-current protection relay
over-current protection relay
7SR51

The 7SR511 overcurrent device includes a wide range of protection functions and IEC 61850 Ethernet communications as standard. To further minimize the product variants the power supply and the binary inputs cover the full operating range ...

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Siemens Energy automation and smart grid
over-current protection relay
over-current protection relay
MIGII

The MIGII, which belongs to the family of M II, the inexpensive and high performance relay, offers a complete safety for petite generators. It can as well, be employed to care for undersized motors or as a backup safety for transformers, ...

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GE Grid Solutions
voltage protection relay
voltage protection relay
ETR series

The function of this Transformer Relay is to provide key protection of transformers. It has auto control which backs up the transformers. Along with its over current protection capabilities, current differential and restricted ground ...

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
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-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 ...

over-current protection relay
over-current protection relay
MS2C74

Overcurrent protection for various items of power system plant as frame earth leakage protection of metal clad switchgear & tank earth fault protection The MS2C74 relay provides high speed overcurrent protection for various items ...

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Mors Smitt BV
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 ...

over-current protection relay
over-current protection relay
SKC series

The differential current relays type SKC is intended for the protection of generators, large motors, two winding power transformers and short lines. The following functions are provided: thermal (49) for transformer programmable on ...

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THYTRONIC
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
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-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

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ENTEC ELECTRIC & ELECTRONIC CO.,LTD
phase loss protection relay
phase loss protection relay
TPM-Drain

Tripping current: 0.6 A - 40 A

Control module for ECO-Drain Control and protection module for pumps and motors with overload, underload, phase failure and level, 0…40A 230/400VAC, control through float switches. Power supply: 230/400Vac – 50/60Hz Consumption: 2W Pilot ...

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 ...

over-current protection relay
over-current protection relay
SPRECON-E-P DS..6-2 series

The SPRECON-E-P DS..6-2-Series consists of one-box solutions for protection and control, which allow protection of primary equipment by simultaneously accomplishing control and monitoring functions in electric power systems. The overcurrent-time ...

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Sprecher Automation
over-current protection relay
over-current protection relay
VACON® NXP DCGuard

Ensure safe DC-grid selectivity VACON® NXP DCGuard™ enables fast disconnection and full selectivity be­tween DC grids for all VACON® NXP series drives. Utilizing DC grids rather than AC grids enables power distribution with lower ...