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I'm not sure if it's a BS 5439:1977 or a BS EN 546-1:2006
He wondered why it took out a 80A MCCB upstream of the board that fed it. Also a little concerned as to why there was a Big Bang and a flash from the TC that it supplied feeding the oil space heater
He wondered why it took out a 80A MCCB upstream of the board that fed it. Also a little concerned as to why there was a Big Bang and a flash from the TC that it supplied feeding the oil space heater
