R. STAHL Series 8523/1 motor protection moulded case circuit breakers protect and switch Ex e motors with a non-adjustable fast short-circuit release and a thermal overcurrent release adjustable at the switch. The switch is actuated using a rotary actuator and the switching position is easy to see at all times. The current ranges follow on from each other seamlessly.
- Safe switching for protecting Ex e motors
- Release: Non-adjustable fast short-circuit release, adjustable thermal overcurrent release
- Optional: Undervoltage release (U..) and shunt trip (A..)
- Optional: Up to 4 contacts, consisting of auxiliary contact (H.), fault signal contact (S.) and short-circuit alarm contact (C.)
- Test and Reset buttons available
- 15 current ranges from 0.1 to 32 A
- The circuit breakers in this series have phase failure detection
