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Can a 4 pole RCCB be single phased?

The Acti 9 four pole RCCB incomers, A9R##### cannot be single phased. This is because the test button circuit requires 400Vac for test circuit to work. 
Note: The test button has to be tested regularly in accordance with wiring regulations BS7671.

A9R Residual Current Circuit Breaker 4 pole
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