Voltage protection relays

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" ...

Tripping current: 8 A
Trigger voltage: 250 V

... overvoltage relay, U DEIF's RMV protective voltage relays are applied for generator, motor and transformer protection against adverse system voltage ...

... application and performance as: • Feeder Protection (Standard SW configuration) • Feeder Protection with additional Power protection element (SW PAC Power) • Feeder Protection ...

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 ...

Trigger voltage: 400 V

AQ-L350 is a line protection IED with line differential protection for transmission and sub-transmission line protection applications. It integrates a full range of line protection ...

Trigger voltage: 140 V - 300 V

The phase protection relays are designed to protect the three-phase loads from damage caused by mains voltage. High Voltage : 300V Low Voltage ...

Tripping current: 0 A - 5 A

The protection relay for the capacitor bank (NPR series) monitors the three-phase capacitor banks in medium-voltage reactive power compensation systems. It can recognize various hazardous ...

Multipurpose digital protection relay - IEC 61850 - Station Bus This cost-effective protective device is used to perform advanced protection, control and monitoring ...

Tripping current: 5 A
Trigger voltage: 110 V

... Integrated Electronic Device) is a digital protection relay that enables a high-precision measurement and protection relay for switchgear power equipments. The switchgear ...

Modular protection relays | Timers and protection relays Technical Data Compact Size – 1 Module ( 17,5mm) Monitor own supply and detects if one ...

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 ...

... programmable Logic. Rich protection functions Feeder protection; Transformer protection; Motor protection; Capacitor protection; Voltage ...

Tripping current: 10 A
Trigger voltage: 250 V

Single and three phase protection Phase failure (loss phase) protection Phase sequence protection Adjustable voltage protection Over voltage ...

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 ...

Trigger voltage: 0 V - 150 V

... extremely high transient voltage will be induced, which can in turn damage the current transformers and the instruments at the secondary, or even posing a threat to personal safety. This CT secondary overvoltage protector ...

... application of digital techniques to protection relay technology. The requirement for highly reliable control relay elements does however remain and often constitutes a significant cost ...

... Microprocessor-based digital protection relay for 4 way configuration of switchgear -Local and remote operation available by built-in RTU -DNP 3.0, MODBUS, IEC60870-5-101/104 communication protocols ...

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

Tripping current: 0 A - 10 A
Trigger voltage: 230 V

... Easy to replace pluggable relays. -Possibility of Bussing (Jumpering) relays in common negative or common positive configurations. -Relay Coil Protection by means of ...

Tripping current: 40 mA
Trigger voltage: 24 V

accessories optical, safety relay, 90x118x22mm, 1x NC, 3x NO, Dual channel, Screw connection, Plastic, safety 3x no, 1x nc, terminals Electrical features Betriebsspannung (DC) 24V Number ...