vacuum interrupter
Embedded poles
vacuum interrupter for outdoor circuit breaker
vacuum interrupter for indoor circuit breaker
vacuum interrupter for load break switch
vacuum interrupter for contactor
Products >> Embedded poles
ZKTD2000/40.5-31.5 TD546CD


Rated voltage                                             kv 40.5
Rated current                                             A 1600/2000
Rated frequency                                          Hz 50
Rated short-time power frequency withstand voltage(1min)      kv 95
Rated lighting impulse withstand voltage                      kv 185
Rated short-circuit breaking current                          kA 25/31.5
Rated short-circuit making current(peak)                     kA 63/80
Rated operations of short-circuit breaking current interruption    times 20
Rated single capacitor bank breaking current                   A 400
Rated short-time withstand current                          kA 25/31.5
Rated peak withstand current                                kA 63/80
Rated duration of short-circuit                               s 4
Mechanical life                                            times 30000
Contact closing force due to bellows and atmosphere           N 250±50
Counterforce at rated contact stroke                           N 330±60
Circuit resistance at rated contact force                       μΩ ≤25
Shelf life                                                   years 20
Contact erosion limit                                        mm 3
Weight of moving parts                                                                              kg ≤4
Mechanical Data Required For Matched Vacuum Switchgear                                           
Rated contact stroke                                       mm 22±2
Average opening speed                                    m/s 1.6±0.2
Average closing speed                                     m/s 0.75±0.2
Added contact force                                        N 3100±200
Contact bouncing duration at closing operation                 ms ≤2
Contact bouncing bank amplitude of opening operation          ms ≤4
Three-pole simultaneity                                      ms ≤2
Note:Rated characteristics can be given on requirment

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