SWITCHES FOR SPECIFIC USE AND DC SWITCHES www.krausnaimer.com 176 MAIN CATALOG Detailed selection switch types Switch types acc. IEC 60947-3, EN 60947-3, VDE 0660 Part 107, USA / Kanada CA4N CA4N-1 A11/C A25/C AD11 CHR10/B CHR11 Rated uninterrupted current Iu/Ith IEC 60947-3, EN 60947-3, VDE 0660 Part 107 A 10 20 25 6 20 6 USA / Kanada² A 10 10 25 6 20 6 Rated operational voltage Ue 1 IEC 60947-3, EN 60947-3, VDE 0660 Part 107 V 440 690 690 600 690 600 USA / Kanada² V 300 600 600 600 600 300 Min. Voltage V - 20 20 1 - 1 6 Rated impulse withstand voltage Uimp kV 4 6 6 On request 6 On request Rated operational current Ie AC-21A Switching of resistive loads, with moderate overloads IEC 60947-3, EN 60947-3, VDE 0660 Part 107 1 V 6/12 V 24/48 V 110/220 V 380/440 V 500/600 V 660/690 V A A A A A A A - - 10 10 10 - - - - 20 20 20 20 20 - - 25 25 25 25 25 6 3/2 1/0,8 0,4/0,2 0,13/0,1 0,08/0,05 - 20 6 3/2 1/0,8 0,4/- -/- 0,08/0,05 -/- AC-22A Switching of combined resistive or low inductive loads including moderate overloads IEC 60947-3, EN 60947-3, VDE 0660 Part 107 220 V–500 V 220 V–440 V 660 V–690 V 500 V A A A A 10 - - - 20 - 16 - 25 - 25 - - - - - - 20 16 20 - - - - AC-15 Switching of magnetic drives, contactors, valves and electrical magnets IEC 60947-3, EN 60947-3, VDE 0660 Part 107 110 V 220 V–240 V 380 V–440 V A A A - 2,5 1,5 - 6 4 - 8 5 - - - 5 5 4 - - - Pilot duty Heavy VAC A300 600 600 - A600 - Ampere rating Resistive or low inductive loads A 10 10 25 see AC21-A 20 - Rated utilization category AC-2 Slip-ring induction motor starting, reversing, plugging and star-delta starting (CHR10B) IEC 60947-3, EN 60947-3, VDE 0660 Part 107 3 phase, 3 pole 220 V–240 V 380 V–440 V 500 V 660 V–690 V kWkWkWkW 2,5 4,5 - - 4 7,5 10 10 5,5 11 15 13 - - - - 4 7,5 10 10 - - - - AC-3 Direct-on-line starting of squirrel-cage motors, star-delta starting (CHR16B) IEC 60947-3, EN 60947-3, VDE 0660 Part 107 3 phase, 3 pole 220 V–240 V 380 V–440 V 500 V 660 V–690 V kWkWkWkW 1,5 2,2 - - 3 5,5 5,5 5,5 4 7,5 7,5 7,5 - - - - 3 5,5 5,5 5,5 - - - - 1 phase, 2 pole 110 V – 120 V 220 V – 240 V 380 V – 440 V 500 V 660 V–690 V kWkWkWkWkW 0,3 0,55 0,75 - - 0,6 (110 V) 2,2 3- - 1,5 (110 V) 3 3,7 - - - - - - - 0,6 2,2 3 3 3 - - - - - AC-4 Starting of squirrel-cage motors, reversing, plugging and inching IEC 60947-3, EN 60947-3, VDE 0660 Part 107 3 phase, 3 pole 220 V–240 V 380 V–440 V 500 V 660 V–690 V kWkWkWkW 0,37 0,55 - - 0,55 1,5 1,5 1,5 1 2,2 2,5 2,5 - - - - 0,55 1,5 1,5 1,5 - - - - 1 phase, 2 pole 110 V – 120 V 220 V – 240 V 380 V – 440 V kWkWkW 0,15 0,25 0,5 0,15 (110 V) 0,25 0,55 0,2 (110 V) 0,5 0,8 - - - 0,3 0,75 1,5 - - - AC-23A Frequent switching motors or other high inductive loads IEC 60947-3, EN 60947-3, VDE 0660 Part 107 3 phase, 3 pole 220 V–240 V 380 V–440 V 500 V 660 V–690 V kWkWkWkW 1,8 3- - 3,7 7,5 7,5 7,5 5,5 11 11 11 - - - - 3,7 7,5 7,5 7,5 - - - - 1 phase, 2 pole 110 V – 120 V 220 V – 240 V 380 V – 440 V 500 V 660 V–690 V kWkWkWkWkW 0,37 0,75 1,1 - - 0,75 (110 V) 2,2 3,7 - - 1,5 (110 V) 3 5,5 - - - - - - - 0,75 2,5 3,7 4 4 - - - - - Standard motor load DOL-Rating (similiar AC-3) UL / Kanada 3 phase, 3 pole 110 V–120 V 220 V–240 V 440 V–480 V 550 V–600 V HP HP HP HP 0,75 1- - 1 1 1 1 1,5 3 7,5 10 - - - - 1,5 3 5 5 - - - - 1 phase, 2 pole 110 V–120 V 220 V–240 V 277 V 440 V–480 V 550 V–600 V HP HP HP HP HP 0,33 0,75 0,75 - - 0,5 1 1 1 1 0,75 1,5 2 3 5 - - - - - 0,5 1 2 2 2 - - - - - Short circuit protection Max. fuce size gL/gG-Characteristic gL - Characteristic A A 10 - 20 - 35 - 6- - 25 6 7 Rated short-time withstand current (1s-current) A 60 120 220 45 220 50 Max. permissible wire gage (use copper wire only) Single-core or stranded wire (AWG) mm² 1,5 2,5 (12) 4 (10) 2,5 (14) - - Flexible wire mm² 1,5 2,5 2,5 2,5 - - Flexible wire sleeving in accordance with DIN 46228 mm² 1 2,5 2,5 2,5 - - AWG wire (without sleeve) AWG 16 14 12 14 - - Connection with isolated terminal and spade lugs Inside cable diameter mm - - - - ≥3,6 ≥3,6 Outside cable diameter mm - - - - ≤8,6 ≤8,6 Connection with isolated quick connections mm - - - - 6,3 6,3 Ambient temperature of stages 4, 5 open at 100 % Iu/Ith 55 °C over 24 hours with peaks up to 60 °C enclosed at 100 % Ithe 35 °C over 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 Upon request.. | 2 International Standards and Approvals, refer to page 192 | 3 16 A bei 150 V und 10 A bei 300 V für CG8 | 4 For electromagnetic optional extras see additional data in the chapter OPTIONAL EXTRAS. | 5 Storage temperature: -40 °C to 85 °C (in case of temperature below -5 °C no shock load permissible). | 6 Lower values On request. | 7 G-fuse, swift < Back to the catalog directory >
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