ABB ADVAC User Manual

1VAL050503-MB Rev B Replaces (1VAL057485-MB Rev. C) Oct 2013
11
TEST → DISCONNECT:
1. Perform visual inspection of the circuit breaker.
a. Verify breaker is OPEN (push open button or initiate external electric trip if CLOSED).
b. Verify switchgear breaker door is closed and secured.
2. Begin racking procedure using approved racking crank.
a. Insert racking crank socket into breaker door access port and rotate until socket slides into position.
b. Hold racking crank with left hand and depress position lever with right hand.
c. Turn racking crank counter-clockwise for a ¼ turn before releasing position lever.
d. Continue racking counter-clockwise (approx. 4 turns) until ”Disconnect” position is reached.
e. A positive stop will be felt and the position release lever will snap into the up position.
f. Relieve tension on the racking pin and mechanical/electrical interlocks by reversing the racking crank slightly.
INSERTION AND REMOVAL
C
# Description
A
COMPARTMENT SLOTS
B
GROUND BAR
C
INTERFERENCE
BLOCKING PLATE
D
SECONDARY DISCONNECTS
E
WHEEL RAILS
F
SHUTTERS
G
BREAKER POSITION LABEL
DISCONNECT / TEST / CONNECT
H
COMPARTMENT DOOR
Figure 1: Basic Cell
D
E
F
A
B
G
H
DISCONNECT TEST CONNECT
Approximate Distance from
Disconnect
40 MM
4 REVOLUTIONS
1.57 INCHES
250 MM
25 REVOLUTIONS
9.84 INCHES
Manual Operation YES YES NOT RECOMMENDED
Electrical Operation NO YES YES
Control Power Available NO YES YES
Shutter CLOSED CLOSED OPEN
Primary Contacts Engaged NO NO YES
Position Indication POSITIVE LOCK & CELL DECAL POSITIVE LOCK & CELL DECAL POSITIVE LOCK & CELL DECAL
Interlocks INTERFERENCE BLOCKING PREVENTS
INSERTION
RELEASE LEVER
RELEASE LEVER
CLOSING PREVENTED BETWEEN
POSITIONS
CLOSING PREVENTED BETWEEN POSITIONS
RELEASE LEVER
Requirements To Rack
breaker from Position
BREAKER OPEN
POSITION RELEASE LEVER ACTUATED
BREAKER OPEN
POSITION RELEASE LEVER ACTUATED
BREAKER OPEN
POSITION RELEASE LEVER ACTUATED
Notes:
A. Closed door racking is recommended between ALL positions.
B. The circuit breaker position is also indicated by a decal– see Fig 1. Item G
Table 1: Summary Racking Data

ABB ADVAC Specifications

General

Brand	ABB
Model	ADVAC
Category	Circuit breakers
Language	English