131 CONTROL SWITCHES AND LOAD SWITCHES www.krausnaimer.com 131 MAIN CATALOG Detailed selection switch type Selection DC switches IEC 60947-3, EN 60947-3, VDE 0660 part 107 (Switch function on request) CA4 CA10 CA10S CA20 CA20S CA25 CA25S CA40 CA40S CA63S Series contacts 1 2 3 4 5 6 8 Admissible voltage in Volt Rated operational current Ie Utilization category DC-21A, DC-21B Switching of resistive loads Response time L/R≤1ms 24 48 72 96 120 144 192 A 10 16 16 21 24 26 32 35 40 63 48 96 144 192 240 288 384 A 6 14 15 18 24 25 32 32 40 63 60 120 180 240 300 360 480 A 5 13 15 17 21 24 28 28 40 50 110 220 330 440 550 660 – A 4 6 7 6 7 7 9,3 – – – 220 440 660 – – – – A 0,8 0,9 1 1 1 1 1 – – – Utilization category DC-22A, DC-22B Switching of mixed resistive and inductive loads (e.e. shunt motors) 24 48 72 96 120 144 192 A 8 14 15 18 24 25 32 35 40 63 48 96 144 192 240 288 384 A 5 13 15 17 24 25 32 32 40 63 60 120 180 240 300 360 480 A 4 12 15 16 19 24 25 – 20 25 110 220 330 440 550 660 – A 1,5 1,9 2 2 2 2,25 3 – – – 220 440 660 – – – – A 0,3 0,3 0,35 0,3 0,35 0,35 0,35 – – – Utilization category DC-23A, DC-23B Switching of highly inductive loads (i.e. series motors) 24 48 72 96 120 144 192 A 7 13 15 16 23 23 32 35 40 63 48 96 144 192 240 288 384 A 4 12 15 15 23 21 32 26 40 63 60 120 180 240 300 360 480 A 3,5 10 13 14 16 18 25 – – – 110 220 330 440 550 660 – A 1 1,5 1,75 1,7 1,75 2 2,5 – – – 220 440 660 – – – – A 0,2 0,2 0,3 0,2 0,3 0,2 0,3 – – – Utilization category DC-13 Control of DC electromagnetics Response time L/R≤100ms 24 48 – – – – – A 0,8 3 – 4 – 5 – – – – 48 96 – – – – – A 0,5 1,7 – 2,4 – 3 – – – – 60 120 – – – – – A 0,2 1,4 – 1,8 – 2,5 – – – – 110 220 – – – – – A – 0,7 – 1 – 1,5 – – – – 220 440 – – – – – A – 0,15 – 0,35 – 0,5 – – – – Switching angles 60° or 90° (size S0) only possible for switch CA...S. At higher voltages up to and including 1000 V/20 A the switch type G20S is available. Information at page 205 ff. Control switch Following technical data apply to the mentioned switch types intended for use as control switch for isolation with direct opening action according to Annex K of IEC 60947-5-1:2016, EN 60947-5-1:2017 and VDW 0660 Part 200:03:2018 referring to Low-Voltage Switchgear and Controlgear, Control Circuit Devices and Switching Elements. CA4 CA4N CA4-1 CA4N-1 CG4 CG4-1 CG6 CG7 CH6 CHR6 CA10 CA11 CA10-1 CA11-1 CG8 CG9 CH10 CHR10 CH10-1 CHR10-1 CA20 CH16 CHR16 Rated Operational Voltage Ue max. 1 V 400 400 400 400 400 400 400 400 400 400 Rated Impulse Withstand Voltage Uimp 1 kV 4 4 4 4 4 4 4 4 4 4 Rated Thermal Current lth = lu A 10 20 20 20 20 20 20 16 25 25 Rated Operational Current le AC-13 24 – 400 V A 6 12 10 12 6 12 10 5 16 15 AC-14 24–60 V A 5 12 10 12 5 12 10 4 16 15 110 V A 4 10 8 10 5 10 8 3 12 10 230 V A 4 10 8 10 4 10 8 3 12 10 400 V A 2,5 7 7 7 2,5 7 7 2 8 8 AC-15 24–60 V A 3 8 6 8 3 8 6 2 10 8 110 V A 2,5 6 5 6 3 6 5 1,5 8 8 230 V A 2,5 5 5 5 2,5 5 5 1,5 8 8 400 V A 1,5 4 4 4 1,5 4 4 1 5 5 Rated Conditional Short-Circiut Current kA 1 1 1 1 1 1 1 1 1 1 Short Circiut Protection: gG-Fuse A 10 20 20 20 20 20 20 16 16 25 Direct Opening Action guaranteed resp. Direct Opening Action Symbol valid for all manually opened switch contacts Presupposition: 1) Maximum Number of Stages 6 4 4 68686868686868 2) Maximum Number of Contacts opened at the same time for switches with latching positions 2 Switching Angle 30° – – – 106106106106106106106 45° 6 8 8 1210121012101210121012101210 60° 10 8 8 1212121212121212121212121212 90° 12 8 8 1216121612161216121612161216 1 Valid for single-phase circuits, overvoltage category II, polution degree 3. Values for other supply systems or overvoltage categories on request. | 2 The number of contacts indicated do not consider any cam-cut extension. < Back to the catalog directory >
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