ABB VD4 - Circuit-Breaker Operation

40 VD4 Vacuum-circuit-breaker | Instruction manual 534/01
Figure 8/5: Fit the contact system back-to-front on the thin end of the
arbor and slide it onto the sticker shank
7 Contact system
47 Arbor
47.1 Journal
Figure 8/6: Slide the contact system over from the arbor onto the contact
arm and allow it to engage there
6 Contact arm
(6.1) Cheese head bolt
6.2 Insulating sleeve
7 Contact system
7.1 Internal tension springs
47 Arbor
Figure 8/7: Motor-driven withdrawable part in an intermediate position
close to the test/disconnected position, with fitted crank for
manual operation and breaker front plate removed
8.3 Control wiring plug connector for withdrawable assembly
46.1 Roller
46.3 Lever
46.8 Angle lever
102 Motor for truck
(-BT3) Auxiliary switch (only with type A withdrawable part)
47.1 47 7
6.2 6 7 7.1 47(6.1) 46.3 46.1 (-BT3)46.8 8.3102