8
ABB
2. Actuate (push down) Position Release Lever (9) to begin racking from Test position
a. Begin racking in the COUNTER-CLOCKWISE direction
b. Release Position Release Lever once racking has begun (after 1/2 turn)
c. Four (4) revolutions (40mm) will move the breaker between the Test and Disconnect positions
• The Test Position is indicated by a positive lock
• Closing of the breaker is prevented between Disconnect and Test positions
• Control power is unavailable in the Disconnect Position; shutters are closed.
# Description
A
COMPARTMENT SLOTS
B
GROUND BAR
C
CODE PLATE
D
SECONDARY
DISCONNECTS
E
WHEEL RAILS
F
SHUTTERS
D
E
F
A
C
B
Figure 1: Basic Cell
Notes:
A. Closed door racking is recommended between ALL positions.
B. Motor Disconnect Switch should be OFF until circuit breaker is engaged in the Test Position.
DISCONNECT TEST CONNECT
Distance from Disconnect
0 MM
0 REVOLUTIONS
0 INCHES
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 POSI-
TIONS
CLOSING PREVENTED BETWEEN POSI-
TIONS
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, B A A
Table 1: Summary Racking Data
INSERTION AND REMOVAL
Courtesy of NationalSwitchgear.com