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HomeSafe Product Guide 23
The Havells range of four pole RCCBs can be used to provide residual current protection in 3 phase, 3 wire circuits (no
neutral), however a link from the neutral to an incoming should be made on the supply side of the RCCB, to enable the operation
of the RCCB.
Residual Current Multiple of I
Δ
n (mA)
Time (in ms)
1
2
3
4
5
6
I
Δ
n
50
100
150
200
250
300
350
ms
For Single Phase -
2 Wire connections
Line
Line
Line
For Three Phase -
4 Wire connections
For Three Phase -
3 Wire connections
Actuation time characteristics
Wiring diagram