The Omron J7MN motor protection circuit breaker are designed mainly to protect three-phase induction motors. The circuit-breakers are therefore also referred to as manual motor starters.. It is actuated via a rotary operating mechanism and rated current of 13 A. It has dimension of H105 x W45 x D85.5 mm. Rated frequency 50/60 Hz Degree of protection IP20 Operating temperature -20°C to +60°C Motor protection CLASS 10