SWITCHES FOR SPECIFIC USE AND DC SWITCHES www.krausnaimer.com 179 MAIN CATALOG Detailed selection switch types Switch types acc. IEC 60947-3, EN 60947-3, VDE 0660 Part 107, USA / Kanada L1000 L1200 L1250 L1251 L1600 L2000 Rated uninterrupted current Iu/Ith IEC 60947-3, EN 60947-3, VDE 0660 Part 107 Ambient temperature 35 °C over 24 hours with peaks up to 40 °C A 1000 1450 1250 1900 2400 Ambient temperature 55 °C over 24 hours with peaks up to 60 °C A 920 1300 1100 1700 2000 USA / Kanada² A 1000 1200 1250 1600 2000 Rated operational voltage Ue 1 IEC 60947-3, EN 60947-3, VDE 0660 Part 107 V 690 690 690 690 690 USA / Kanada² 600 600 600 600 600 Rated impulse withstand voltage Uimp kV Auf Anfrage Rated operational current Ie AC-20A Connecting and disconnecting under non load conditions IEC 60947-3, EN 60947-3, VDE 0660 Part 107 690 V A 1000 1450 1250 1900 2400 AC20-B Occasional switching under load cos 0,8 IEC 60947-3, EN 60947-3, VDE 0660 Part 107 3 phase, 3 pole and 1 phase, 2 pole 220 V–440 V 500 V 660 V–690 V A A A 630 500 400 1200 800 400 630 500 400 1200 800 400 1200 800 400 AC-21B Switching of combined resistive or low inductive loads including moderate overloads IEC 60947-3, EN 60947-3, VDE 0660 Part 107 3 phase, 3 pole and 1 phase, 2 pole 220 V–440 V 500 V 660 V–690 V A A A 400 350 300 800 630 350 400 350 300 800 630 350 800 630 350 Interrupting rating UL /C-UL ² 600 V A 200 300 200 200 200 Rated utilization category AC-23B Occasional 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 45 90 110 65 75 132 132 65 45 90 110 65 75 132 132 65 75 132 132 65 Short circuit protection Max. fuce size aR-Characteristic A 1000 2 x 800 1250 2 x 1000 2 x 1250 Rated short-time withstand current (1s-current) A On request Terminals Version of bolt terminals on request. Ambient temperature of stages 4, 5 55 °C over 24 hours with peaks up to 60 °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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