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Leaflet Direct Current Contactors
Found 1 free book(s)Electrical switchgear safety: A guide for owners and users
www.hse.gov.uk1000–33 000 volts alternating current (ac); circuit-breakers, switches, switch fuses, isolators and contactors operating at voltages above 1000 volts ac. It does not cover direct current (dc) switchgear, low-voltage switchgear (voltages up to 1000 volts ac) and switchgear used on single-phase ac traction systems.