Sunday 28 February 2021

How can I connect a generator with an automatic transfer switch to a house with 2 electric meters?

How can I connect a generator with an automatic transfer switch to a house with 2 electric meters?

A lot depends on the topology you already have. Why are there two meters? Are they on the same phase? or (oddly) two? Presumably there are two distribution boards? do you actually need generator power on both of them?

Let us assume single phase, 240V. You want someting like this:

The changeover contactor will be 8-pole, 4NO, 4NC

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