OT125F3 SWITCH-DISCONNECTOR Technical Rated Operational Current AC-21A (Ie):(380 ... 415 V) 125 A (500 V) 125 A (690 V) 125 A Rated Operational Current AC-22A (Ie):(380 ... 415 V) 125 A (500 V) 125 A (690 V) 125 A Rated Operational Current AC-23A (Ie):(380 ... 415 V) 90 A (500 V) 70 A (690 V) 50 A Rated Operational Power AC-23A (Pe):(220 ... 240 V) 22 kW (400 ... 415 V) 45 kW (500 V) 45 kW (690 V) 45 kW Conventional Free-air Thermal Current (Ith):q = 40 °C 125 A Conventional Thermal Current (Ithe):Fully Enclosed 125 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) 3.6 kA Rated Short-time Withstand Current Low Voltage (Icw):for 1 s 2.5 kA Power Loss:at Rated Operating Conditions per Pole 6.3 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 Special Functions:No Mounting Type:Base mounting Number of Poles:3 Cable Cross-Section:Cu 10...70 mm² Degree of Protection:Front IP20 Terminal Type:Screw Terminals Tightening Torque:acc. IEC 60947-1 6 N·m Mechanical Durability:20000 Lock Type:No Technical UL/CSA Maximum Operating Voltage UL/CSA:600 V Horsepower Rating UL/CSA:(acc. to UL 200 V) 25 Hp (acc. to UL 480 V) 50 Hp (acc. to UL 240 V) 30 Hp (acc. to UL 208 V) 25 Hp (acc. to UL 600 V) 50 Hp Ampere Rating UL/CSA:100 A