Technical Specifications (Parameters) Parameter English Value Product Type Switch disconnector Range / Series ComPacT new generation / ComPacT NSX new generation Device Short Name NSX250NA Device Application Distribution Poles Description 3P [Ith] Conventional Free Air Thermal Current 250 A at 50 °C [Ie] Rated Operational Current AC-22A: 250 A AC 50/60 Hz 220...690 V AC-23A: 250 A AC 50/60 Hz 220...690 V [Ue] Rated Operational Voltage 690 V AC 50/60 Hz [Ui] Rated Insulation Voltage 800 V AC 50/60 Hz [Uimp] Rated Impulse Withstand Voltage 8 kV Utilisation Category AC-22A, AC-23A [Icw] Rated Short-Time Withstand Current 3.5 kA during 1 s, 3.5 kA during 3 s Control Type Toggle Suitability for Isolation Yes conforming to EN/IEC 60947-3 Mounting Mode Fixed Mounting Support Backplate Electrical Connection Front connection, screw connection Mechanical Durability 20000 cycles Degree of Protection IP40 front face (conforming to IEC 60529) Dimensions (W x H x D) 105 mm x 161 mm x 86 mm Net Weight 1.8 kg Ambient Air Temperature (Operation) -25…70 °C Standards EN/IEC 60947-1, EN/IEC 60947-3 Product Certifications CE, EAC, CCC Green Premium Compliance RoHS/REACh compliant