GE Industrial Solutions EntelliGuard G - Manual (Page 26)

EntelliGuard® G Circuit Breaker DEH-41304C
Section 5 – Locks and Interlocks 13 March 14
26 ©2012 General Electric All Rights Reserved
Horizontal Mounting (Fig. 5.16)
1. Measure distance ”A” from the right hand face of one
cassette to the right hand face of the other.
2. Ensure the minimum cable radius is not less than
125 mm. Cable length is “A” + 67 cm. Longer cables
may be used; however, they must be free from
obstruction and no longer than 3 m.
Figure 5.16: Horizontal Mounting Dimensions
Circuit
Breaker 1
Circuit
Breaker 2
“A”
cm
14 cm (Min.) Cable
SAFETY SHUTTERS INSTALLATION (Fig. 5.17)
1. Ensure circuit breaker is in the DISCONNECTED position
and the racking handle is removed.
2. Pull out the top or bottom shutter locking bar, or both
as required, to reveal the locking eye.
3. Hold while inserting padlock(s). (Shaft diameter is 6 mm
min. to 8 mm max.).
4. Apply the provided “BUSBAR” and “CIRCUIT” designation
labels.
Figure 5.17. Shutter Padlocking
A
A Shutter locking bar
Table 5.1. Fixed-Mounted Circuit Breaker Locking
Function Number and Type of Padlocks/Locking Devices Padlock Shaft Diameter
Padlock for “ON” pushbutton restricting access to
the button in raised position maximum of one lock of may be mounted 3 mm to 9.5 mm
Padlock for “OFF” pushbutton restricting access
to the button in depressed state to block ON
operations maximum of one lock of may be mounted 3 mm to 9.5 mm
Padlock for breaker trip free condition maximum of three locks may be mounted 3 mm to 9.5 mm
Breaker Key Lock in OPEN position (Optional)  maximum of four key locks of any one type
(optional Kirk/Ronis/Profalux) may be used
 maximum one of Castle lock may be installed
N/A
Table 5.2. Drawout Circuit Breaker Locking
Function Number and Type of Padlocks/Locking Devices Padlock Shaft Diameter
Racking mechanism screw access blocking
padlock in DISCONNECTED/TEST/CONNECTED
positions three locks may be mounted in one slot 3 mm to 9.5 mm
Racking mechanism screw access blocking and
breaker trip free position key lock in
DISCONNECTED/TEST/CONNECTED positions
(Ronis/Profalux) maximum of two locks 3 mm to 9.5 mm
Padlocking provisions on the drawout rails
prevent unauthorized installation of a breaker
that has been removed from the cassette for
equipment or load maintenance. maximum of three padlocks 3 mm to 9.5 mm