Protection Relays
RMSD7912 / RMSD7921 – Directional Overcurrent Relays
Products family : Feeder Protection, Current Protection Sector : Industry The optimum operation of an electrical network depends particularly on the reliability and the availability of the protection, measuring and automation devices, and the way these devices can communicate their informations. RMSD 7900 relays provide directional protection of three-phase electrical networks. – RMSD 7921 is…
NPIHD800-S1 – Sensitive Ground Fault Directional and Overcurrent Relay
Products family : Feeder Protection, Current Protection Sector : Industry NPIHD800-S1 provides the ground fault overcurrent protection for medium and high voltage electrical networks. Dedicated to non-grounded system applications, this multi-function and directional relay supervises phase to earth short-circuits and operating of the circuit breaker and its trip circuits. As well as the usual protection…
RMS7992 / RMST7992 – Overcurrent Relays
Products family : Feeder Protection, Current Protection Sector : Industry The optimum operation of an electrical network depends particularly on the reliability and the availability of the protection, measuring and automation devices, and the waythese devices can communicate their informations. RMS 7992 relays are designed to provide protection of three phase networks against any kind…
NPIH800 & NPIH800R – Earth Fault Overcurrent Relay
Products family : Transformer Protection Sector : Industry, Railway NPIH800 & NPIH800R provide the earth fault overcurrent protection for medium and high voltage electrical networks. These numerical and multi-function relays supervise in particular the phase to earth faults and the good operation of the circuit breaker and its trip circuit. NPIH800R (R2 case) is dedicated…
NPIHD800 & NPIHD800R – Earth Fault Directional and Overcurrent Relay
Products family : Feeder Protection, Current Protection Sector : Industry NPIHD800 & NPIHD800R provide the earth fault overcurrent protection for medium and high voltage electrical networks. These multi-function and directional relays supervise phase to earth short-circuits and the good operating of the circuit breaker and its trip circuits. NPIHD800R (R2 case) is dedicated to the…
NPID800 / NPIDR800 & NPID800R – Phase and Earth Directional and Overcurrent Relay
Products family : Feeder Protection, Current Protection Sector : Industry, Railway NPID800 / NPIDR800 & NPID800R provide phase and earth fault overcurrent relays, with or without directional criteria, providing the detection of all type of short-circuits of medium and high voltage electrical networks. These numerical and multi-function relays supervise in particular phase to phase or…
TMS711 / TMS714 / TMS761 – Voltage Relays
Products family : Voltage Protection Sector : Industry The optimum operation of an electrical network depends particularly on the reliability and the availability of the protection, measuring and automation devices, and the way these devices can communicate their informations. The following voltage relays are available: – TMS 711: Single phase – 2 over or under voltage…
HDG7020 – Frequency Relay
Products family : Voltage Protection Sector : Industry The HDG7020 is a two-level frequency relay whose characteristics of high precision, fast operating time, wide setting ranges and the possibility of using each operating level either for over-frequency or under-frequency, make it suitable for use in a wide range of applications. ANSI codes 81 – Over…
NPU800 & NPU800R / NPU800RE – Voltage and Frequency Relay
Products family : Voltage Protection Sector : Industry, Railway NPU800 & NPU800R provide the voltage and frequency monitoring of electrical networks. These multi-function relays supervise phase to phase and phase to earth faults, positive, negative and zero sequence voltage and the good operating of the circuit breaker and its trip circuit. With its numerous under…