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) 40 A (500 V) 40 A (690 V) 40 A Rated Operational Current AC-22A (Ie): (380 ... 415 V) 40 A (500 V) 40 A (690 V) 40 A Rated Operational Current AC-23A (Ie): (380 ... 415 V) 23 A (500 V) 23 A (690 V) 12 A Rated Operational Power AC-23A (Pe): (220 ... 240 V) 5.5 kW (400 ... 415 V) 11 kW (500 V) 11 kW (690 V) 11 kW Conventional Free-air Thermal Current (Ith): T = 40 °C 40 A Conventional Thermal Current (Ithe): Fully Enclosed 40 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) 0.71 kA Rated Short-time Withstand Current Low Voltage (Icw): for 1 s 0.5 kA Rated Conditional Short-Circuit Current (Inc): (40 A fuse, =415V) 50 kA (25 A fuse, 690 V) 50 kA Power Loss: at Rated Operating Conditions per Pole 1.6 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 0.75 ... 10 mm² Wire Stripping Length: Main Circuit 10 mm Main Circuit 0.38 in Degree of Protection: Front IP20 Terminal Type: Screw Terminals Tightening Torque: acc. IEC 60947-1 0.8 N·m Mechanical Durability: 20000 Lock Type: No