Programmable protection relays

26 companies | 169 products
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earth-leakage protection relay
earth-leakage protection relay
EL731 series

Trigger voltage: 120, 240, 24, 48 V

... over-temperature protection. EL731 also offers metering capabilities, along with trip settings and a password protected alarm, along with optional network communications. The product is also used to add low-level ground-fault ...

arc flash protection relay
arc flash protection relay
AF0500 series

Trigger voltage: 100, 240, 110, 250 V

The AF0500 is a microprocessor-based arc-flash protection relay that limits arc-fault damage by detecting the light from an arc flash and rapidly tripping the feeder breaker. The unit is well suited for ...

phase protection relay
phase protection relay
PGR-8800 series

Trigger voltage: 12, 48, 120, 240 V

... -8800 arc-flash relay is UL and cUL listed. It provides dependable detection of developing arc-flash incidents and avoids nuisance tripping. It achieves this by spotting a combination of extra light and current. For arc-flash ...

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

Trigger voltage: 230, 24, 110 V

... 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 ...

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FANOX ELECTRONIC
earth-leakage protection relay
earth-leakage protection relay
SIL-A

Trigger voltage: 24, 220, 48, 230 V

The SIL-A is an overcurrent and earth fault protection relay for primary and secondary distribution with auxiliary power supply 24-220 Vdc/ 48-230 Vac. The current measurement is obtained ...

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FANOX ELECTRONIC
over-voltage protection relay
over-voltage protection relay
SIA-F

SIA-F – SF6 & METALCLAD SWITCHGEAR OC&EF PROTECTION RELAY SIA-F protection relay is suitable to protect installations against O/C and E/F. Its compact ...

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FANOX ELECTRONIC
earth-leakage protection relay
earth-leakage protection relay
CBS4 series

Unit equivalent to 4 earth leakage protection networks. 4 independent programmable relays available Four inputs to connect the external toroidal transformers of the WG Superimmunized ...

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CIRCUTOR
earth-leakage protection relay
earth-leakage protection relay
RGU-10 series

Trigger voltage: 230 V

Electronic earth leakage protection relay, used to connect to the earth leakage transformers WG / WGC Series Superimmunized Type A relay with high frequency current filtering and high ...

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CIRCUTOR
earth-leakage protection relay
earth-leakage protection relay
WRU10 series

Trigger voltage: 110, 230 V

... differential protection settings. protection trigger current. protection status messages, etc. Units with three programmable output contact relays, ...

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CIRCUTOR
earth-leakage protection relay
earth-leakage protection relay
ELR-3A

Trigger voltage: 240 V

Earth Differential Relay Type A • earth leakage current measurement by external toroidal gearbox • measurement in true effective value (trms) • programming and display via a backlit LCD display - fault current (red ...

earth-leakage protection relay
earth-leakage protection relay
ELR-3B

Trigger voltage: 250, 230 V

... Current Monitor device Type B. Associated to external core balance transformer the CTB-1/xxx family. It has 2 programmables outputs relays. Main trip and prealarm signal. It has one free voltage input ...

earth-leakage protection relay
earth-leakage protection relay
DER3/1D

Tripping current: 0 A - 30 A

... 1DL is specifically used on LV networks in the TT and TN types of current. It offers a wide range of options in different protections due to the wide adjustment of current dispersion and threshold for a delayed 10-second ...

earth-leakage protection relay
earth-leakage protection relay
AQ-F201

... any application requiring non-directional overcurrent and earth-fault protection. Selection of supportive functions for protection, measurement, monitoring, control and communication ...

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Arcteq Relays Ltd
phase loss protection relay
phase loss protection relay
LPRC/2-NFC

• NFC based with Programmable Functions • Intuitive app for setting up and product configuration • Suits key 3-Phase, 3 and 4-wire supply voltages • Configurable trip and time delay • 2 x SPDT Relay ...

over-current protection relay
over-current protection relay
P9680

Tripping current: 0.5 A - 10 A

... Fully programmable and easy to set-up digital relay that offers the user the ability to monitor and detect Overcurrent and Earth Fault conditions. The user is able to choose from ...

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

... Standard functionality •37/ 37G undercurrent protection •46 Negative sequence overcurrent protection •46BC Broken conductor detection •49 Thermal overload protection •50/ ...

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Siemens Energy automation and smart grid
over-excitation protection relay
over-excitation protection relay
G60

Designed on the industry-leading UR platform, the G60 provides paramount protection for medium and large generators, with large steam and combustion turbines, integrated cycle generators and multi-circuit hydro units. ...

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GE Grid Solutions
voltage protection relay
voltage protection relay
REF630 IEC

Relion® REF630 IED is constructed to be world-class for managing utility and distribution substations. It is built to protect, manage as well as measure and supervise at the feeder-level with the control function feature. The ...

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ABB Oy Distribution Automation
overload relay
overload relay
C441

Tripping current: 1 A - 540 A

The C441 Motor Insight Overload Relay is Eaton's most advanced low voltage motor protection relay. The embedded intelligence helps customers save energy, optimize maintenance schedules ...

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Eaton Count Control Products
thermal protection relay
thermal protection relay
FPC 400

Tripping current: 1,000, 5 mA

FPC 400 is a family of current and 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 ...

over-current protection relay
over-current protection relay
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 ...

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Schweitzer Engineering Laboratories
voltage protection relay
voltage protection relay
RM3C

... pulsanting voltage or current relay Wall mounting Bidirectional direct or pusating voltage or current relay 2 Min. and / or Max. programmable alarms Input voltage 50mV... 200mV Input ...

over-current protection relay
over-current protection relay
CGI 14N/C

... and software, accompanies it. The relay is integrated with IDMT function. The relay are extremely safe and can provide quick protection against one or both over current & earth elements ...

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CG Power Systems
frequency protection relay
frequency protection relay
VFR-100X

... commercial power networks in case of voltage disturbances. Applications - Commercial, industrial and public utility Protection and Functionality - Under & Over Voltage - Frequency - dF/dT (up to 2 stages) - ...

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Orion Italia
current protection relay
current protection relay
B-PRO Bus Protection Relays

The B-PRO relays provide low impedance differential protection for any bus bar configuration with CT saturation security, integrated breaker failure, overcurrent protection ...

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) ...

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THYTRONIC
arc flash protection relay
arc flash protection relay
VAMP 221

... I/O units Indication of arc sensor / current channel and trip relay activation 3-phase current measurement or 2-phase and earth-fault current measurement Circuit-breaker failure protection (CBFP) Operation ...

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Vamp
current protection relay
current protection relay
MDR-2

... of external meters). Available options include a block (generator + step-up transformer) protection option and a short-circuit and overcurrent protection option. DEIF's utility ...

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DEIF
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
TPM5

Tripping current: 5 A

Protection relay against overload, underload, and phase loss. With display. Codes and references - 10002217 TPM5-230 - 10002218 TPM5-400 - 10002451 TPM5/5-230 - 10002452 TPM5/5-400 Specifications - ...

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Toscano Linea Electronica
over-current protection relay
over-current protection relay
SPRECON-E-P D..4 series

... the D4 devices particularly becomes apparent when they are used in simple outgoing feeders as well as for backup protection. The protection functions also contain event and disturbance data for evaluation. ...

power protection relay
power protection relay
SEPCOS

... satisfies the most demanding safety requirements applicable to DC electrical power transmission networks. Its development is based on the safety requirement of the railway standards EN50126 / EN50128 ...

phase protection relay
phase protection relay
Polarr

... the use of CTs. The unit is placed in the GVR and carry out auto-reclosing over current. It provides sensitive earth fault protection. The Polarr series is integrated with low power microprocessor design. The structure ...