MAIN, SAFETY AND MAINTENANCE SWITCH www.krausnaimer.com 116 MAIN CATALOG kWkWkWkW 3 5,5 5,5 5,5 Electrical Data Detail Selection KG switches The switches described in this chapter comply with regulations of IEC 60947-3, EN 60947-3, VDE 0660 Part 107, IEC 60204, EN 60204 and VDE 0113. They therefore meet all the requirements for disconnectors, switch disconnectors, main switches and repair switches. Electrical data KG10 KG10A KG10B KG20 KG20A KG20B KG32 KG32A KG32B KG41 KG41B KG64 KG64B KG80 KG80C KG100 KG100C Rated values Insulation voltage Ui IEC/VDE¹ Disconnectors conditions ¹ V 690 690 690 690 690 690 690 USA/Canada V 300 600 600 600 600 600 600 CEE / NEMKO V 400 500 500 500 500 500 500 Rated impulse withstand voltage Uimp ¹ kV 4 6 6 6 6 6 6 Thermal current IEC / VDE Iu open= Ith Ithe enclosed A A 20 20 25 25 32 32 40 40 63 63 80 80 100 100 USA/ Canada ON/OFF function 1-0-2 function A A 20 20 25 25 32 32 40 40 60 60 80 ³ 80 ³ 100 ³ 100 ³ Breaking capacity 3-phase, 3-pole 220 V/240 V 380 V/440 V 660 V/690 V A A A 120 120 80 180 180 125 220 220 135 300 300 150 350 350 190 560 560 200 700 650 280 1-phase, 2-pole 220 V/240 V A 120 AC-21A IEC/VDE Disconnectorrated operational current Ie A 20 25 32 40 63 80 100 Rated utilization category AC-3 Direct-online Starting 3-phase, 3-pole 220 V/240 V 380 V/440 V 500 V 690 V kWkWkWkW 2,2 3,7 3,7 3,7 4 5,5 5,5 5,5 5,5 7,5 7,5 7,5 7,5 11 15 11 11 18,5 22 15 15 22 30 18,5 18,5 30 37 22 1-phase, 2-pole 220 V/240 V 380 V/440 V kWkW 1,1 1,5 - - - - - - - - - - - - AC-23A, AC-23B Frequent switching of motors or other high inductive loads 3-phase, 3-pole 220 V/240 V 380 V/440 V 500 V 690 V kWkWkWkW 3 5,5 5,5 5,5 5,5 7,5 7,5 7,5 5,5 11 11 11 7,5 15 18,5 15 11 22 30 18,5 18,5 30 37 22 22 37 45 30 1-phase, 2-pole 220 V/240 V 380 V/440 V kWkW 1,5 2,2 - - - - - - - - - - - - Ampere- Rating Resistive or low inductive loads USA/ Canada 4 600 V ON/OFF 600 V 1-0-2 A A 20 8 20 8 25 25 30 30 40 40 60 60 80 ³ 80 ³ 100 ³ 100 ³ DOL- Rating Standard motor load (similar to AC-3) USA/ Canada 4 3-phase, 3-pole 110 –120 V 200 – 240 V 440 – 480 V 550 –600 V HP HP HP HP 1 2- - 2 7,5 15 20 3 10 20 25 5 15 25 30 5 15 30 40 10 25 50 50 10 25 50 50 Power loss per pol at Iu Resistance to vibration 7 Resistance to shock 7 W 0,9 C C 0,7 A B 1,1 A B 1 A B 2,2 A B 1,7 A B 2,4 A B Short circuit protection Max. fuse size (gL-Characteristic) A 20 35 35 50 63 80 100 Rated short-time withstand current [1 Sec. current] A 130 350 430 500 580 1600 1850 Rated conditional short-circuit current Icc (kA) kA 2 – 15 – 15 30 7,5 – 15 50 15 50 15 50 Cut-off current Ic (kA) kA 1,45 – 3,5 – 3,5 4,78 3,6 – 5,1 8,08 6,1 9,19 7,6 11,19 Joule Integral I²t (kA²s) kA2s 1,95 – 5,62 – 5,62 8,33 11,05 – 17,57 19,46 31,75 36,05 60,99 61,10 Max. permissible wire gage (Use Copper wire only) Single-core or stranded wire mm ² AWG MCM 2,5 12 - 6 10 - 6 10 - 16 616 650 1 / 0 - 50 1 / 0 - Flexible wire without sleeve mm ² AWG MCM 2,5 12 - 4 10 - 4 10 - 10 610 635 235 2Flexible wire sleeving in accordance with DIN 46228 mm ² 2,5 4 4 10 10 35 35 Cable lug or track must accept Connection screw Max. width Max. width with protective cover mm mm mm - - - - - - - - - - - - - - - - - - - - - Max. ambient temperature 6 open at 100 % Iu / Ith 50 ˚C during 24 hours with peaks up to 55 ˚C enclosed at 100 % Ithe 35 °C during 24 hours with peaks up to 40 °C < Back to the catalog directory
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