KRAUS & NAIMER Switch-Disconnector Catalogue

12 www.krausnaimer.ie TECHNICAL DATA Switch Selection – Common Rating Data and Utilization Categories Switch Rating or Utilization Category Description Rated insulation voltage, U i Maximum value of operational voltage Thermal current, I th 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 : +50 o c average over 24 hours with peaks up to 55 o c AC-3 For the selection of switches used for starting of squirrel cage motors and switching off during running AC-15 For selection of switches to be used for the control of an a.c. electromagnetic load, e.g. contactor coils AC-21A For selection of switches required for switching of resistive loads, including moderate overloads AC-23A For 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. Switch-disconnectors - selection data in accordance with: IEC 60947, IEC 60204, BS EN 60947, BS EN 60204 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 1000 1) - - - 125 - 22 37 - 30 45 125 95 70 - KG160 160 1000 1) - - - 160 - 30 45 - 30 55 160 95 70 - KG210 200 1000 1) - - - 200 - 37 55 - 37 75 200 185 120 - KG250 250 1000 1) - - - 250 - 37 55 - 37 90 250 185 120 - KG315 315 1000 1) - - - 315 - 45 75 - 55 110 315 185 120 - KH16 16 800 1) - - - 16 1.5 3 5.5 2 4.5 7.5 25 6 4 - KH20 20 800 1) - - - 20 2 3.5 6.5 2.5 5.5 10 32 6 4 - KH25 25 800 1) - - - 25 2.5 4 7.5 3.3 7 12 35 6 4 - KH32 32 800 1) - - - 32 3 5.5 11 4.2 9 16 35 10 6 - KH40 40 800 1) - - - 40 4.5 7.5 15 5.5 11 20 50 10 6 - KH63 63 1000 1) - - - 63 7.5 11 22 8.5 18.5 30 80 35 25 - KH80 80 1000 1) - - - 80 10 15 30 11 23 40 100 35 25 - KH85 100 1000 1) - - - 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 10 2) - - - - - - 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 - SwitchType Thermal Insulation Rated Operating Current & Power Short Circuit Terminal Capacity Rating Voltage, Ui Operational Current, Ie Operational Power Protection Single core/ stranded wire. Flexible wire, with sleeve. Terminal bolt for Cu bar/lug. 110v 220-240v 380-415v 690v 220-240v, 1 ph. 220-240v 3, ph. 380-415v 220-240v, 1 ph. 220-240v 3 ph. 380-415v AC-15 AC-21A AC-3 AC-23A kW A mm 2 mm 2 mm Max. fuse gL/gG char. Open rating Ith Notes: 1) Only valid for no-load switching (AC-20A) above 690v. 2) Max 500v Direct Sales Line: 01635 262626 12 Issue 5 Switch-disconnectors A V A Off - On Side Mounting Auxiliary Contacts Changeover with Centre Off Main Contacts Auxiliary Contacts Main Contacts Auxiliary Contacts 2 pole KG10 3 pole 3 pole + N link 4 pole 6 pole 1 N.O. + 1 N.C. 2 N.O. 2 N.O. + 2 N.C. KG125 - KG315 3 pole 2 pole 4 pole 2 contacts (1 closed in each On position) Fitted on LH side H010/A11-. Fitted on RH side Fitted on LH side Fitted on RH side For ‘E’ mounting (Front mounting switches) For ‘VE’ mounting (Base mounting switches) H010/A21-. i - Disco nectors