A typical air conditioning distribution box contains: Main Lugs Or Feed Fuses/Breakers: Provide the primary protection and supply from the service panel to the box. Contactor Or Relay Assembly: Switches the compressor and outdoor fan on and off under control signals. This article explains what a distribution box does, typical configurations, sizing guidelines, installation. A distribution box is a low-voltage electrical enclosure that receives incoming power and distributes it safely to multiple outgoing circuits through protective and switching devices such as MCBs, RCDs, RCBOs, fuses, isolators, busbars, neutral bars, earth bars, and surge protective devices. The. No description has been added to this video. It helps control and distribute electricity to different areas. Working conditions and on-site preparation work ① The box installation is completed.
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