7 www.krausnaimer.com THE NEW KA SERIES | TECHNICAL DATA Dimensions in mm TECHNICAL DATA Switch types / Auxiliary contacts* KA40 KA63 M510C* H010C* KA40B KA40T KA40BT KA63B KA63T KA63BT cam-controlled laterally attachable IEC 60947-3, EN 60947-3, VDE 0660 part 107 Rated insulation voltage Ui V 690 690 690 690 Rated impulse withstand voltage Uimp kV 6 6 – – Rated uninterrupted current Iu/Ith/Ithe A 40 63 16 16 Rated operational current Ie AC-15 3 - phase, 3 - pole 110 V–240 V 380 V–440 V 500 V A – – – – – – 6 3 1,5 6 4 – AC-21A 3 - phase, 3 - pole 20 V–690 V A 40 63 16 16 AC-22A 3 - phase, 3 - pole 20 V–690 V A 40 63 – – Rated switching capacity AC-3 3 - phase, 3 - pole 220 V–240 V 380 V–440 V 500 V 660 V–690 V kW 7,5 15 15 15 11 18,5 22 15 – – – – – – – – AC-23A 3 - phase, 3 - pole 220 V–240 V 380 V–440 V 500 V 660 V–690 V kW 11 20 25 25 11 22 30 25 – – – – – – – – Short-circuit resistance Max. fuse rating gG characteristic A 50 63 – – Rated short-time withstand current (1 sec. current) A 850 950 – – Max. conductor cross section - Use only copper conductors solid / stranded wire mm² 25 25 2,5 2,5 flexible wire mm² 16 16 2,5 2,5 flexible wire with wire-end ferrules according to DIN 46228 mm² 16 16 2,5 2,5 nach USA / Kanada USA / Canada Rated insulation voltage Ui V 600 600 600 600 Rated operational current Ie Pilot Duty Heavy VAC A600 A600 A600 A600 Ampere Rating ON/OFF 600 V A 42 60 10 10 Max. conductor cross section - Use only copper conductors solid / stranded wire AWG 4 4 12 12 flexible wire: AWG wire (without wire-end ferrules) AWG 6 6 14 14 Switching capacity Motor normal load DOL - Rating (similar to AC-3) 3 - phase, 3 - pole 110 V–120 V 220 V–240 V 440 V–480 V 550 V–600 V HP 5 15 25 30 5 15 30 40 – – – – – – – – General technical information Twist torque Clamping screw Nm/lb-in 2/18 2/18 0,6/5 0,6/5 Minimum voltage upon request Power loss per pole at Iu 0,9 W 1,9 W 0,6 W 0,8 W Recommended screwdriver Cross-tip screwdriver PH2 KA40, KA40B, KA63, KA63B PH1 PH1 Torx screwdriver T20 KA40T, KA40BT, KA63T, KA63BT – – Slot screwdriver 1,2x1,5 all 0,8x4 0,8x4 Stripped length of the connection cable 15 mm 15 mm 8 mm 8 mm Vibration resistance min. 4 g, 2-100 Hz, 1,6 mm – – Shock resistance min. 5 g, 6 ms – – Min. ambient temperature of contact unit –5 °C Max. ambient temperature of contact unit open at 100 % lu/lth 50 °C over 24 hours with peaks of up to 55 °C encapsulated at 100 % lthe 35 °C over 24 hours with peaks of up to 40 °C Storage temperature –40 °C up to 85 °C (at temperatures below -5 °C, no shock load permissible) Approvals and standards IEC 60947 EN 60947 LISTED77B7 1 1 1 Except for types with Torx screws
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