Nucleus Electricals

Monitor Relay is a combination neutral grounding resistor (NGR) monitor and ground fault relay. In distribution systems employing resistance grounding the Monitor Relay protects against ground faults .Specification

Ø  Auxiliary Supply : 24 V DC, FOR 110 V AC TO 230 V AC External adapter will be supply

Ø  Mounting Type : Flush Type

Ø  Current Setting: 1 – 100 Amp

Ø  Time Setting : 1 Sec – 3 Sec. 

Ø  LED DISPLAY  Indication : E/F Trip, NGR Trip

Ø  Potential free Contact :

1       1 NO Potential free  CONTACT FOR EARHT FAULT

2        1 NO Potential free  CONTACT FOR NG FAULT

3       1 NO Potential free  CONTACT FOR COMON EARHT & NG FAULT

Ø  Relay Model – NMR100A24D

Ø  Coupling Sensor – HRG12K

Ø  Current Transformer : CTN100A

Rated insulation voltage AC 1.1 KV

Rated impulse withstand voltage/contamination level 2.5 kV/3

excalator light led type green colour