Dimensions Product Net Width:52.5 mm Product Net Height:91.5 mm Product Net Depth / Length:72.5 mm Product Net Weight:0.25 kg Technical Rated Operational Current AC-21A (Ie):(380 ... 415 V) 80 A (500 V) 80 A (690 V) 80 A Rated Operational Current AC-22A (Ie):(380 ... 415 V) 80 A (500 V) 80 A (690 V) 80 A Rated Operational Current AC-23A (Ie):(380 ... 415 V) 75 A (500 V) 58 A (690 V) 20 A Rated Operational Power AC-23A (Pe):(220 ... 240 V) 22 kW (400 ... 415 V) 37 kW (500 V) 37 kW (690 V) 18.5 kW Conventional Free-air Thermal Current (Ith):Θ = 40 °C 80 A Conventional Thermal Current (Ithe):Fully Enclosed 80 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 4.5 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 Technical UL/CSA Maximum Operating Voltage UL/CSA:600 V Ampere Rating:80 A Horsepower Rating UL/CSA:(110 ... 120 V AC) Single Phase 2 Hp (240 V AC) Single Phase 10 Hp (440 ... 480 V AC) Single Phase 20 Hp (550 ... 600 V AC) Single Phase 20 Hp (220 ... 240 V AC) Three Phase 20 Hp (440 ... 480 V AC) Three Phase 40 Hp (550 ... 600 V AC) Three Phase 40 Hp Tightening Torque:acc