Written by Maximum Overcurrent Protection (MOP) is a value used with equipment that has a hermetric motor compressor(s). MOP is maximum ampere rating for the equipment’s branch-circuit overcurrent protection device. The ampere rating is determined by the manufacturer, and is marked on the nameplate of the equipment. The nameplate will also indicate if the overcurrent device can be an HACR-type circuit breaker, a fuse, or either.
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