Vacuum Interrupter For Contactor

we are engaged in offering vacuum interrupter for contactor, which is appreciated due its construction in accordance with the set industrial standards. what makes the vacuum interrupter for contactor, we offer, stand out in comparison to the other alternatives available is their exceptionally high shelf life. Being sourced from the most reliable vendors of the market, vacuum interrupter for contactor is assured of its excellent electrical endurance.
electrical ratings (3phase) symmetrical basisrated frequency 5060hz rated maximum line to line voltage 33kv,r.m.s rated power frequency withstand voltage : air 70kv,r.m.s rated impulse withstand voltage : air 170kv,peak rated normal current 800a maximum contact resistance at minimum closing force 40micro ohms limit breaking current 6.3ka rated short-time withstand current 6.3ka rated making current 6.3ka rated breaking current(maxmin) 5ka0.125ka rated duration of short time current 4s mechanical datainterrupter weight(approx.) 2.26kg moving part weight(approx.) 0.98kg closing force due to bellow and atmospheric 70±20n force required to hold contacts open at full stroke145±30n mechanical requirements (ref. Vc)contact stroke 14±1 mm opening speed(average of 75 contact gap) 1.5±0.10msec closing speed(average of last 30% contact gap)0.6±0.10msec contact bounce duration at closing operation ≤3ms closing and opening non-simultaneity of three-phase contacts ≤1ms maximum rebound during opening≤2mm rated contact compressive force 600±40n life (estimated)electrical endurance ac-3 30,000 operations electrical endurance ac-4 30,000 operations mechanical life 30,000 operations contact erosion limit 3mm shelf life 20years