MAIN, SAFETY AND MAINTENANCE SWITCH www.krausnaimer.de 118 MAIN CATALOG kWkWkWkW 3 5,5 5,5 5,5 Electrical Data Detail Selection KA 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 KA40B KA40T KA40BT KA63B KA63T KA63BT Rated values Insulation voltage Ui IEC/VDE¹ Disconnectors conditions ¹ V 690 690 USA/Canada V 600 600 Rated impulse withstand voltage Uimp ¹ kV 6 6 Thermal current IEC / VDE Iu open= Ith Ithe enclosed A A 40 40 63 63 USA/ Canada ON/OFF function 1-0-2 function A A 42 42 60 60 Breaking capacity 3-phase, 3-pole 220 – 240 V 380 – 440 V 660 – 690 V A A A 300 300 150 350 350 190 AC-21A 3-phase, 3-pole Disconnectorrated operational current Ie A 40 63 Rated utilization category AC-3 Direct-online Starting 3-phase, 3-pole 220 – 240 V 380 – 440 V 500 V 660 – 690 V kWkWkWkW 7,5 15 15 15 11 18,5 22 15 AC-23A, AC-23B Frequent switching of motors or other high inductive loads 3-phase, 3-pole 220 – 240 V 380 – 440 V 500 V 660 – 690 V kWkWkWkW 11 20 25 25 11 22 30 25 Ampere- Rating Resistive or low inductive loads USA/ Canada 2 600 V ON/OFF A 42 60 DOL- Rating Standard motor load (similar to AC-3) USA/ Canada 2 3-phase, 3-pole 110 –120 V 200 – 240 V 440 – 480 V 550 –600 V HP HP HP HP HP 5 15 25 30 5 15 30 40 Power loss per pol at Iu W 0,9 1,9 Resistance to vibration min. 4 g, 2-100 Hz, 1,6 mm Resistance to shock min. 5 g, 6 ms Short circuit protection Max. fuse size (gL-Characteristic) A 50 63 Rated short-time withstand current [1 Sec. current] A 850 950 Rated conditional short-circuit current Icc (kA) kA 10 50 15 50 Cut-off current Ic (kA) kA 4 6,08 5,5 7,83 Joule Integral I²t (kA²s) kA2s 9,76 9,35 19,0 18,26 Max. permissible wire gage (Use Copper wire only) Single-core or stranded wire mm ² AWG MCM 25 425 4Flexible wire without sleeve mm ² AWG MCM 16 616 6Flexible wire sleeving in accordance with DIN 46228 mm ² 16 16 Cable lug or track must accept Connection screw Max. width Max. width with protective cover mm mm mm - - - M12x 20 - - Max. ambient temperature 3 open at 100 % Iu / Ith 50 ˚C during 24 hours with peaks up tACo 55 ˚C enclosed at 100 % Ithe 35 °C during 24 hours with peaks up to 40 °C ¹ Valid for lines with common neutral termination, overvoltage category III, pollution degree 3 Values for other supply systems on request | 2 International standards and approvals refer to Page 234 | 3 Storage temperature: -40 ˚C bis 85 ˚C (at temperatures below -5 ˚C, no impact load is permitted) < Back to the catalog directory >
RkJQdWJsaXNoZXIy MTAxNzE=