The short answer: your circuit breaker needs to be rated at 125% of your inverter's maximum output current. This comes from NEC Article 690. 8, which treats solar systems as continuous loads. So if your inverter outputs 20 amps max, you'd need at least a 25-amp breaker.
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Find and discover Circuit Breaker buyers & importers for all products in Zimbabwe, featuring details on their shipment activities, trade volumes, trading partners, and more.
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Your local electrical suppliers since 1936, we stock over 53,000 electrical supply products. Shop online, or at one of our New Zealand-wide stores today.
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DC breakers deal with raw one-way power from solar panels that have huge interruption capacity: between a few thousand and 10,000 amps in some models. DC does not “zero out” like AC would, so this is required. A new circuit breaker (s) will be added to the electrical panel.
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