NPU800RE

Voltage protection

Our NPU800RE (R3 case) is dedicated to the refurbishment of 7000 series relays.

It monitors phase voltage and/or frequency in electrical networks. This multifunction relay detects faults between phases or between phase and earth, as well as direct, reverse, and residual voltages (depending on wiring).

It also ensure proper functioning of the circuit breaker and its tripping circuit. It has additional inputs and outputs compared to the NPU800R (R2 case).

#Protection, #Relay, #Retrofit, #Voltmetric

Voltage and frequency relay

CEE 7000 R case compatible

Minimises retrofitting costs

Reduces re-commissioning time

Easy to install and easy to use

Communication interfaces	RS485
Communication protocols	Modbus RTU
Mesures and operations	Frequency — Frequency monitoring Voltages — Phase voltages Zero-sequence voltage — zero-sequence voltage
Mounting	R3
Power supply	19 to 70 Vdc 85 to 255 Vdc/Vac (50/60 Hz)
Voltage outputs	3
Disturbance records	4
Digital inputs	8
Digital outputs	7
Watchdog output	1
Indication LEDs	5