The Eaton makes this Circuit breaker which is developed for use in motor circuits with contactor. The mounting is always flexible due to the modular function groups, with electronic release for the motor protection with phase failure sensitivity. These motor protection circuit breaker from NZM..-ME..NA series cover all applications with only four compact sizes, and this device is rated for 90 A at 690 Vac and it has 3 poles. It comes with additional motor protective features
Adjustable overload releases Ir and adjustable time delay setting to overcome current peaks