![]() ![]() If too many amps flow through a circuit, the circuit breaker will trip and stop the power from flowing. What Is a Circuit Breaker?īoth AC and DC circuit breakers serve two important purposes.įirst, they provide circuit protection. This is why you need an inverter or microinverter to convert DC to AC. ![]() DC voltage always moves in one direction.Ī solar panel produces DC power, but your home needs AC power. In the United States, AC power is 60 Hz, so it alternates 60 times every second.ĭC stands for “direct current,” which does not alternate. The number of times it changes per second is measured in hertz (Hz). ![]() What Is the Difference Between DC Power and AC Power?ĪC stands for “alternating current.” AC voltage alternates direction, changing from a positive voltage to a negative voltage and back. Today, we’ll discuss the difference between DC and AC power and circuit breakers to help your solar panel installation flow as smoothly as possible. Besides the panels, inverters and racking, there are several smaller items of equal importance to your installation - such as AC and DC circuit breakers. As you install your solar panels, you’ll need to ensure you have all the correct supporting equipment.
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