0HK.412.530SM
LW36A-126/145
High Voltage SF6 AC Circuit Breaker
11/30
Cam impinge on trolley to make regulating lever circumrotate clockwise, drive tie bar to switch on
quickly of moving contact and fixed contact, complete switch on operating.
Otherwise, when switching on, the switch off spring connect with regulating lever was compressed and
that store energy.
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6
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3 Switch off operating
The switch off coil after electrified, drive switch on detent; the switch off detent to circumrotate
clockwise, switch off keep detent circumrotate clockwise too, release A pin, inner regulating lever
circumrotate counter-clockwise drove by switch off spring, drive tie bar to switch off quickly of
moving contact and fixed contact, complete switch off operating.
Switch off operating(switch on position, switch on spring store energy)
switch on spring store energy switch on operating
(switch on position, switch on spring release) (switch off position, switch on spring store energy)
drawing 6 CT30 spring operating mechanism principle sketch map
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