Product catalogue - Iskra MIS - #29

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29 Contactors KNL CONTACTORS KNL43, KNL63 TECHNICAL DATA MOTOR CONTACTORS GENERAL Type KNL43 KNL63 Standards IEC/EN 60947-4-1, IEC/EN 60947-5-1, IEC/EN 60947-1, UL 508 Approvals GOST Ambient temperature open °C -20 … +60 closed -20 … +45 Storage temperature °C -30 … +80 Mechanical endurance op. c. 3 x 106 Max. mechanical operating frequency with no load c./h 3000 Max. electrical operating frequency AC-3/AC-4/AC-15/DC-13 c./h 600/300/1200/1200 Weight kg 0,93 MAIN CIRCUIT Rated insulation voltage Ui V 690 Thermal current Ith A 75 85 Rated frequency f Hz 50/60 Rated motor power three-phase 230 V Pm kW 12,5 15 400 V 22 30 AC-3 690 V 30 40 Nazna~eni tokovi motorjev three-phase 230 V Ie A 45 63 400 V 45 63 AC-3 690 V 33 45 Rated operational current three-phase 400 V Pm kW 15 22 AC-4 690 V 18,5 25 Electrical endurance AC-3 / AC-4 op. c. diagram 1 diagram 2 Max. back-up fuse for short-circuit protection gL Coordination type 2 Iv A 80 125 Terminal capacity rigid S mm2 35 flexible 25 Screw M6 Screw head PZ2 Tightening torque Nm 4 AUXILIARY CIRCUIT Rated insulation voltage Ui V 690 Thermal current Ith A 16 Rated operational current 230 V Ie A 6 400 V 4 AC-15 500 V 2 690 V 1 • KNL43/63 contactors are mainly used for switching electric motors • Possibility of direct connection of the BR43 bimetal relay for protection against overload and in case of phase failure • Quick assembly to a 35 mm wide mounting rail in accordance with EN 60715 • Possibility of mounting the NDL5 snap-on auxiliary switch block with four auxiliary contacts • Uniform marking of connection terminals in accordance with EN 50005 and EN 50011 • Use of the MBL43 mechanical interlock • Degree of protection IP20