Technical Specifications (Parameters) Parameter English Value Product Type Molded case circuit breaker (MCCB) Range / Series ComPacT new generation / ComPacT NSX new generation Device Short Name NSX250F Poles Description 4P Protected Poles Description 3D (3 protected poles, neutral not protected) Trip Unit Name TM-D Trip Unit Technology Thermal-magnetic Trip Unit Rating [In] 200 A at 40 °C Thermal Protection Adjustment Range [Ir] 0.7 ... 1 x In (140 ... 200 A) Instantaneous Protection Adjustment [Ii] 5 ... 10 x In (1000 ... 2000 A) Breaking Capacity [Icu] 36 kA at 380/415 V AC 50/60 Hz (IEC 60947-2) 85 kA at 220/240 V AC 50/60 Hz Rated Service Breaking Capacity [Ics] 36 kA at 380/415 V AC (100% of Icu) Rated Operational Voltage [Ue] 690 V AC 50/60 Hz Rated Insulation Voltage [Ui] 800 V AC 50/60 Hz Rated Impulse Withstand Voltage [Uimp] 8 kV Control Type Toggle Mounting Mode Fixed Connections - Terminals Front connection, screw type Degree of Protection IP40 (conforming to IEC 60529) Electrical Shock Protection Class Class II Dimensions (W x H x D) 140 mm x 161 mm x 86 mm Net Weight 2.8 kg Ambient Air Temperature (Operation) -25 ... 70 °C Standards IEC 60947-2, EN 60947-2 Green Premium Compliance RoHS/REACh compliant