ABB VD4 - Spare Parts, Auxiliary Materials, Lubricants; Spare Parts

36 VD4 Vacuum-circuit-breaker | Instruction manual 534/01
- For motion into the test/disconnected position, the same
enabling conditions apply analogously, in this case by me-
ans of auxiliary switch -BT3 in the breaker housing (for type
A) or the auxiliary switch -BT2 in the withdrawable assem-
bly (for type B).
4. It must only be possible to open the circuit-breaker (manu-
ally) when the withdrawable part is in the service position
or test/disconnected position and the control voltage has
failed.
Check this condition.
5. Withdrawable parts with order-related blocking magnet
-RL2 may not be moved in case of control power failure,
or when there is no control power. Do not forcibly move
blocked with-drawable parts! The blocking magnet -RL2 is
only present on manually operated with-drawable parts.
Releasing the blocking magnet -RL2.
- Remove front plate 9.2,
- Disengage blocking magnet -RL2 by pulling the magnet
armature,
- While doing so, turn crank 5 about one half turn (either
direction of rotation is permissible).
The blocking magnet is only active in the test position and
service position. In intermediate positions it has no effect.
6. Disconnection of the control wiring plug 8.1 as well as
later insertion must be blocked in the withdrawable part’s
service position.
Check this condition.
8.6 Spare parts, auxiliary materials, lubricants
8.6.1 Spare parts
When parts are required, the serial number of the relevant
withdrawable breaker part or circuit-breaker should always be
quoted. Setting instructions are to be requested separately.
Circuit-breaker VD4:
- Shunt release, auxiliary switch: For notes on settings see
drawing GCE 717 96 11
- Charging motor with gearbox: No special notes required
(table 1)
Withdrawable assembly of VD4:
- Manually moveable withdrawable assembly :
- type A: For notes on settings see drawing
GCE 7003570, sheet 1 and 2
- type B: For notes on settings see drawing
GCE 7003570, sheet 1 and 2.
- Motor-driven withdrawable parts: For notes on settings see
drawing GCE 7003571
- Blocking magnet -RL2: For notes on settings see drawing
GCE 7003820, sheet 1.
(table 2)