CONTROL SWITCHES AND LOAD SWITCHES www.krausnaimer.com 94 MAIN CATALOG Switch type acccording IEC 60947-3, EN 60947-3, VDE 0660 part 107 (USA/Canada next double page) Electrical data CG4 CA4 DH10/B CH6 CH10/B CG8/B CA10/B CA11/B CH16/B CA20/B CA25/B Rated values Thermal current Iu/Ith A 10 16 20 20 25 25 32 Insulation voltage Ui ¹ V 440 690 690 690 690 690 690 Rated impulse withstand voltage Uimp kV 4 6 6 6 6 6 6 Rated operational current Ie AC-21A Switching of resistive loads, including moderate overloads A 10 16 20 20 25 25 32 AC-22A Switching of combined resistive or low inductive loads, including moderate overloads 220 V–500 V 220 V–440 V 660 V–690 V 500 V A A A A 10 B 10 - - - - - - - 20 16 20 20 E/D 20 C 20 (16C) 20 C - 25 25 25 25 25 32 32 AC-15 Switching of control devices, contactors, valves etc. 110 V 220 V–240 V 380 V–440 V A A A 2,5 A 2,5 1,5 5 5 3 5 5 4 6 C 5 4 8 8 5 - 8 5 - 12 6 Rated utilization category AC-3 Direct-on-line starting 3 - phase, 3 - pole 220 V–240 V 380 V–440 V 500 V 660 V–690 V kW 1,5 2,2 - - 2,2 3,7 3,7 3,7 3 5,5 5,5 5,5 3 5,5 5,5 5,5 4 7,5 7,5 7,5 4 7,5 7,5 7,5 5,5 11 11 11 1- phase, 2 - pole 110 V – 120 V 220 V – 240 V 380 V – 440 V 500 V 660 V–690 V kW 0,3 0,55 0,75 - - 0,37 1,1 2,2 - - 0,6 2,2 3 3 F/G 3 F/G 0,6 2,2 3 3 F/G 3 F/G 1,5 3 3,7 4 3,7 1,5 3 3,7 - - 2,2 4 5,5 - - AC-4 Direct-on-line starting, reversing, plugging and inching 3 - phase, 3 - pole 220 V–240 V 380 V–440 V 500 V 660 V–690 V kW 0,37 0,55 - - - - - - 0,55 1,5 1,5 1,5 0,55 1,5 1,5 1,5 1,5 3 3 3 1,5 3 3 3 2,5 5,5 5,5 5,5 1- phase, 2 - pole 110 V – 120 V 220 V – 240 V 380 V – 440 V kW 0,15 0,25 0,5 - - - 0,3 0,75 1,5 0,3 0,75 1,5 0,45 1,1 2,2 0,45 1,1 2,2 0,75 1,5 3 AC-23A Frequent switching of motors or other high inductive loads 3 - phase, 3 - pole 220 V–240 V 380 V–440 V 500 V 660 V–690 V kW 1,8 3- - 3 5,5 5,5 4 3,7 7,5 7,5 7,5 3,7 7,5 7,5 7,5 5,5 11 11 11 5,5 11 11 11 7,5 15 15 15 1- phase, 2 - pole 110 V – 120 V 220 V – 240 V 380 V – 440 V 500 V 660 V–690 V kW 0,37 0,75 1,1 - - 0,55 1,5 2,5 - - 0,75 2,5 3,7 4 F/G 4 F/G 0,75 2,5 3,7 4 F/G 4 F/G 1,5 3 5,5 5,5 5,5 1,5 3 5,5 - - 2,2 4 7,5 - - Breaking capacity 220 V–240 V 380 V–440 V 660 V–690 V A A A 50 50 - - - - 150 150 80 200 200 125 280 250 150 Power loss, resistance to vibration, resistance to shock Power loss per pol at Iu W 0,4 - 1,4 0,9 (0,8 CG8/B) 2,3 0,9 0,7 Resistance to vibration min. 4 g, 2-100 Hz, 1,6 mm (CG-, CH-, DH-Switch on request) Resistance to shock min. 5 g, 6 ms (CG-, CH-switch 30 ms, DH-Switch on request) Short circuit protection Max. fuse size gG - Characteristic A 10 16 25 25 35 35 35 Rated short-time withstand current (1 sec. current) A 60 (90A) 120 200 140 250 280 480 Max. permissible wire gage (use Copper wire only) 2 x 2 x 2 x 2 x 2 x 2 x 2 x Single-core or stranded wire mm² 1,5 2,5 4 2,5 4 4 6 Flexible wire mm² 1,5 B 2,5 2,5 2,5 2,5 4 4 Flexible wire sleeving in accordance with DIN 46228 mm² 1 1,5 2,5 2,5 2,5 2,5 4 Max. ambient temperature 2, 3 open at 100 % Iu/Ith 55 °C during 24 hours with peaks up to 60 °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 For electromagnetic optional extras see additional data in the chapter Optional Extras. | 3 Storage temperature: -40 °C to 85 °C (in case of temperature below -5 °C no shock load permissible). | 4 90° only in Size S0 A Only applies to CG4 | B Only applies to CA4 | C Only applies to CG8/B | D Only applies to CA11/B | E Only applies to CA10/B | F Only applies to CH10/B | G Only applies to CH6 Detailed selection switch type < Back to the catalog directory >
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