KRAUS & NAIMER Enclosures for EMC-compliant connection

EMC-compliant connection Maintenance Switches for © Kraus & Naimer 2017 www.krausnaimer.com Maintenance Switches and Safety Switches according to IEC 60204 and VDE 0113 for EMC-compliant connection of frequency regulated motors 2 Content Please choose the suitable Maintenance Switch due to the power data of your projected drive from the table below. Nominal Rating: 3 pole Page 6 pole Page Thermal Current I the Motor Rating AC-23B/A, 3x400V 20 A 5,5 kW 3 - 25 A 7,5 kW 4 10 32 A 11 kW 4 10 40 A 15 kW 5 11 63 A 22 kW 5 11 80 A 30 kW 6 12 100 A 37 kW 6 12 125 A 45 kW 7 13 160 A 55 kW 7 13 200 A 75 kW - 14 250 A 90 kW 8 - 275 A 132 kW - 14 315 A 110 kW 8 - 315 A 132 kW 9 - UPGRADE KIT 15 Sales Contact 16 Note: Maintenance Switches for EMC- compliant connection of FU- regulated drives are available either with shield clips (KS- and KL-enclosure) or with clips mount- ed on DIN-rails (STM-enclosure). These clips are used to continue the cable shield circuit through the enclosure. The configuration of the Mainte- nance Switch between FU and motor allows the use as Discon- nector up to 400 Hz and as Load Switch at frequencies from 40 Hz to 100 Hz. Each Maintenance Switch has as standard 2 auxiliary contacts, 1 NC and 1 NO. Via the NO (20 ms leading) the FU can be switched off before the main con- tacts of the switch open. For the rating of the switch please note that the motor may have approx. 10 % higher charging rate due to the higher loss in FU- operation e.g. a motor with 7,5 kW rating the motor current has to be determined with 16,7 A instead of 15,2 A. < Click the page number to get there. >

RkJQdWJsaXNoZXIy MTAxNzE=