Protection relays

Thermal overload relays are economic electromechanical protection devices for the main circuit. They offer reliable protection for motors in the event of overload or phase failure. The ...

Thermal overload relays are economic electromechanical protection devices for the main circuit. They offer reliable protection for motors in the event of overload or phase failure. The ...

Electronic overload relays offer reliable and precise protection for motors in the event of overload or phase failure.The electronic overload relay can make up a compact starting solution ...

Electronic overload relays offer reliable and precise protection for motors in the event of overload or phase failure.The electronic overload relay can make up a compact starting solution ...

Tripping current: 40 A - 200 A

... DIN 44081) which are suitable for embedding in motor windings. CM-MSE single function thermistor motor protection relay The single function relays are equipped with 1 n/o output contact ...

Tripping current: 0 A - 250 A

... circuit and zero-voltage safety to ensure reliable fault signalling during supply voltage failure. The EMT 6-DKB can suitably used for every thermistor application for simplified selection, engineering and stock-keeping. ...

... covered by the line protection system of this device, which comes with a 3-pole tripping system to ensure the best user experience and help you achieve the best results from your project. The overhead lines and cables ...

The 7SD84 - Differential Protection is a one of a kind product delivered by SIEMENS. It utilizes adaptive algorithm integrated with differential protection to achieve optimum stability and sensitivity. ...

Tripping current: 0 A - 840 A

Earth leakage protection device for the protection of people and property against fault currents, such as: - Sinusoidal alternating currents and pulsating residual direct currents. - Sinusoidal ...

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

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 ...

The RG1M series earth leakage relay is an optimized assembly, suitable for installation at WC, WGS and WCG transformer units. It is designed with type A ultra-immunized mechanism. This electric differential solution is ...

The WRN-22 is an Earth leakage relay manufactured by Circutor. Consisting of an integrated earth leakage transformer measuring at Ø22mm, it has the ability to identify leakage through sampling the earth leakage ...

The Resys M40 is a type A differential relay manufactured by Socomec. Integrated with a remote trip breaking device, it provides an indirect contact protection and a leakage current limitation. Designed ...

RESYS M40R are earth leakage relays that are often associated with a remote trip breaking device, offering automatic power breaking and reclosing. In terms of the functionality, the leakage current limitations and protection ...

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.

... ;D SIA-C overcurrent & earth fault protection relay has 50P, 50N, 51P y 51N protection functions. The self-powered relay starts up from 0.2 times ...

SIA-B Dual & Self powered Dual & Self Powered Overcurrent and Earth Fault Protection Relay for Secondary Distribution. Protection functions: 50P, 50/51P, 50N, ...

The SIA-A series of Self or Dual powered Overcurrent and Earth Fault Protection Relays from FANOX can keep track and record up to a hundred events. These machines are capable of providing ...

Protection functions: 50P, 50/51P, 50N/G, 50/51 N/G, CLP and 86. Optionally 52, 50BF, 49, 49T and Trip block for Switch disconnector. Auxiliary supply (110-230 Vac / 90-300 Vdc or 24-48 Vdc). Compact size ...

The overcurrent and earth fault protection relay is suitable for secondary distribution. The protection functions available are 50P, 50G/N, 51P, 51G/N and 52, while the ...

The 1728 model assembled by Tec Automatismes, is a monostable fast acting electromechanical relay that features a 4 RT 10A contact. This device consists of a ≤4ms coil energization closing make contact. Moreover, its ...

The EPRA Latching relay consist of a magnetic hold function that can be plugged on a socket. It features a contact of 4RT -7A and a coil of 12-24-48-125-230V AC/DC 380 VAC. The product provides a climatic protection ...

... 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 ...

... processor (DSP). A noted feature of the relay is its Definite Time Lag (DTL). The second is that it can be field programmed to ensure protection; hence fitted with Under voltage / Over Voltage and Neutral ...

SELF POWERED FEEDER PROTECTION RELAY Product Overview The ‘CGI 14S' Self Powered Numerical Protection Relay is designed for use in unmanned substation where ...

... 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 ...

The PGR 4300 is a generator protection relay by Littlefuse. The unit functions as a simple device for alarming that the condition is ground fault without using any transformers. Using this, it makes the ...

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 ...

... -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 ...

... 6100 Series features the Ground-Fault and Insulation Relay designed for general safety of motors. It is used for ground-fault protection and insulation monitoring. Integrated with predictive ...

... by TE, is a sensor and protective relay that is ideally used in an AC actuating system and is equipped with a protective relay type. This device has an input voltage ...

The 1800 series engineered by TE Connectivity, is a generator paralleling relay that features a dual dead bus mechanism and a protection function. In addition, this apparatus operates in a 120 VAC input voltage.

The 20-050-2X is a sensor and protective relay that is ideally used in an AC actuating system. It has an input voltage of 120 VAC and an over or underfrequency protection function.

The 20-050-19PX is a sensor and protective relay that is ideally used in an AC actuating system. It has an input voltage of 120 VAC and an over or underfrequency protection function.

Transmission Protection System Apply the SEL-311C Relay for protection, reclosing, monitoring, and control of transmission lines. Features include a four-shot recloser, patented capacitance ...

Advanced Line Differential Protection, Automation, and Control System Apply the SEL-411L Relay for complete protection and control of any transmission line. The SEL-411L provides differential ...

Time-Domain Line Protection Apply the SEL-T400L Relay for ultra-high-speed and secure protection of critical lines. With breakthrough time-domain technologies, the SEL-T400L securely ...

Protection, Automation, and Control System Apply the SEL-421 Protection, Automation, and Control System for high-speed distance and directional protection and complete control of a two-breaker ...

Tripping current: 290 A - 400 A

? Earth leakage relay type A ? External toroidal ? Green power LED indicator (ON) ? Red relay tripped LED indicator (TRIP) ? Front TEST and RESET buttons ? Modular DIN housing, 1 module, with transparent ...

The ELR 1E is a elementary unit of the latest series which is used mainly to decrease flush mounting ELR option, other than any other option. The most creative feature of the product is its decreased depth ( 60 mm which includes terminals). ...

ELR-2 is a dual-output changeover contact, one could be utilized for detachment and the other for a caution capacity at 70% of the set current (the determination of the working sort of the second contact is, no doubt made by method for ...

... transmissions offer lifelong regulation of the Toroidal - ELR orbit. Any disturbance to this orbit can facilitate instant trip of security and enables you to recognize the anomaly without having a timely regulation done ...

The X...DD series earth leakage relays are designed to measure the leakage or unbalance currents caused by conductors or appliances insulation losses and to react, in case the set limits are exceeded, switching off the ...

... includes the following protections: 87G - Differential protection referred to gensey 87T - Differential protection referred to transformer 59N (also called 59Vo) - Protection ...