40 www.krausnaimer.co.uk TECHNICAL DATA Switch disconnectors Switch Type Thermal Rating Insulation Voltage, Ui Rated Operating Current & Power Operational Current, Ie Operational Power Short Circuit Protection Terminal Capacity lth AC-15 AC-21A AC-3 AC-23A A V A kW A mm2 mm2 mm Switch-disconnectors - selection data in accordance with: IEC 60947, IEC60204, BS EN 60947, BS EN 60204 Open rating 110v 220-240v 380-440v 690v 220-240v, 1 ph. 220-240v, 3 ph. 380-440v, 3 ph. 220-240v, 1 ph. 220-240v, 3 ph. Max. fuse gL/gG char. Single core/ stranded wire Flexible wire/ with sleeve Terminal bolt for Cu bar/lug KG10 20 690 - 20 1.1 2.2 3.7 1.5 3 5.5 20 2.5 1.5 - KG20 25 690 - 25 1.5 4 5.5 2.2 5.5 7.5 35 6 4 - KG32 32 690 - 32 2.2 5.5 7.5 3 5.5 11 35 6 4 - KG41 40 690 - 40 3 7.5 11 4 7.5 15 50 16 10 KG64 63 690 - 63 4 11 18.5 5.5 11 22 63 16 10 KG80 80 690 - 80 7.5 15 22 10 18.5 30 80 50 35 - KG100 100 690 - 100 8.5 18.5 30 11 22 37 100 50 35 - KG105 125 690 - 125 - 22 37 - 25 45 125 50 35 - KG125 125 10001 - 125 - 22 37 - 30 45 125 95 70 KG160 160 10001 - 160 - 30 45 - 30 55 160 95 70 - KG210 200 10001 - 200 - 37 55 - 37 75 200 185 120 - KG250 250 10001 - 250 - 37 55 - 37 90 250 185 120 - KG315 315 10001 - 315 - 45 75 - 55 110 315 185 120 - KH16 16 8001 - 16 1.5 3 5.5 2 4.5 7.5 25 6 4 - KH20 20 8001 - 20 2 3.5 6.5 2.5 5.5 10 32 6 4 - KH25 25 8001 - 25 2.5 4 7.5 3.3 7 12 35 6 4 - KH32 32 8001 - 32 3 5.5 11 4.2 9 16 35 10 6 - KH40 40 8001 - 40 4.5 7.5 15 5.5 11 20 50 10 6 - KH63 63 10001 - 63 7.5 11 22 8.5 18.5 30 80 35 25 - KH80 80 10001 - 80 10 15 30 11 23 40 100 35 25 - KH85 100 10001 - 100 10 - - 11 - - 100 35 25 - Auxiliary contacts - selection data in accordance with IEC 60947, BS EN 60947 KG10 20 690 6 6 4 20 - - - - - - 20 2.5 2.5 - KG20 & KG32 10 500 2.5 2.5 1.5 102 - - - - - - 10 1.5 1.5 - KG41- KG105 16 690 6 6 3 16 - - - - - - 16 2.5 2.5 - KG125- KG315 16 690 6 6 3 16 -- - - - - - 16 2.5 2.5 380-440v, 3 ph. Switch Rating or Utilization Category Switch Selection - Common Rating Data and Utilization Catagories Description Rated insulation voltage U Maximum value of operational voltage Thermal current, lth Maximum value of current that the switch can carry (not switch) when mounted in free air Max. ambient air temperature for stated value:- KG/KH switches +50oc average over 24hrs with peaks up to 55oc AC-3 For the selection of switches used for starting of squirrel cage motors and switching off during running AC-15 For the selection of switches used for the control of an a.c. electromagnetic load e.g. contactor coils AC-21A For the selection of switches required for switching of resistive loads, including moderate overloads AC-23A For the selection of switches required for switching motor loads or other highly inductive loads Normal selection criteria for emergency-off switches for motors and switches used for safety isolation of motors (switch-disconnectors) such as Off/On, main or main/emergency-off switches. Notes: 1) Only valid for no-load switching (AC-20A) above 690v. 2) Max 500v
RkJQdWJsaXNoZXIy MTAxNzE=