Spring Drive Mechanism

Product Name: Spring Drive Mechanism (http://www.switchgearmechanism.com/Spring-Drive-Mechanism-9.html)
Model No: MD.J06

This mechanism is used in 12kV,3 phase AC 50Hz indoor VS1+ vacuum circuit breaker

1.This Mechanism adopt single phase permanent magnet DC electromotor to stored energy.the detail of electromotor as belows:

Model Rated voltage(V) Power(W) Normal working area(V) Energy storage times(S)
ZY55-1 DC110 DC220 70(80) 85%~110% ≤10
Remark: DC and AC power supply are allowed.Values in ( ) refer to the seize of 40kA.

2.The detail of magnet and releaser as belows:
Item? Power (W) Rated operationl voltage(V) Normal working area(V)? Remark
Cloing magnet 368 DC220
DC110 85%-110% of the Rated voltage Can't opening if less than 30% of the rated voltage
Opening magnet 368 65%-120% of the Rated voltage
Latching magnet 4.8 85%-110% of the Rated voltage
Over-current releaserY7(Y8,Y9) _ over-current 5A-3.5A