3-pole, front operated, base mounted, DIN-rail mountable switch-diconnector / non-fusible diconnect switch with protected clamp terminals, handle and shaft are not included Technical Rated Operational Current AC-21A (Ie): (380 ... 415 V) 63 A (500 V) 63 A (690 V) 63 A Rated Operational Current AC-22A (Ie): (380 ... 415 V) 63 A (500 V) 63 A (690 V) 63 A Rated Operational Current AC-23A (Ie): (380 ... 415 V) 63 A (500 V) 45 A (690 V) 20 A Rated Operational Power AC-23A (Pe): (220 ... 240 V) 11 kW (400 ... 415 V) 22 kW (500 V) 22 kW (690 V) 15 kW Conventional Free-air Thermal Current (Ith): T = 40 °C 63 A Conventional Thermal Current (Ithe): Fully Enclosed 63 A Rated Impulse Withstand Voltage (Uimp): 8 kV Rated Insulation Voltage (Ui): acc. to IEC/EN 60664-1 750 V Rated Operational Voltage: Main Circuit 750 V Rated Short-Circuit Making Capacity (Icm): (690 V) 2.1 kA Rated Short-time Withstand Current Low Voltage (Icw): for 1 s 1.5 kA Rated Conditional Short-Circuit Current (Inc): (100 A fuse, =415 V) 50 kA (100 A fuse, 500 V) 100 kA (80 A fuse, 690 V) 50 kA Power Loss: at Rated Operating Conditions per Pole 2.8 W Pollution Degree: 3 Handle Type: Knob Handle and shaft not included Switches Operating Mechanism: Mechanism on Top of the Switch Distance Between Phases: Standard Position of Line Terminals: Top In - Bottom Out Bottom In - Top Out Operating Mode: Front operated Standards: IEC 60947-3 / UL 508 / CSA C22.2 No. 14 Special Functions: No Mounting Type: Base mounting Number of Poles: 3 Cable Cross-Section: Cu 1.5 ... 35 mm² Degree of Protection: Front IP20 Terminal Type: Screw Terminals Tightening Torque: acc. IEC 60947-1 2 N·m Mechanical Durability: 20000 Lock Type: No