g
Spectra Series™ Power Panelboards
Circuit Breaker Cover
WARNING:
Danger of electrical shock or injury.
Turn
OFF power ahead of the panelboard or
switchboard before working inside the
equipment or removing any component
.
Do
not remove circuit protective devices or any
other component until the power is turned
OFF.
General
These instructions apply to the following circuit breaker
frames: SGDA, SGHA, SGLA, and SGPA.
Installation
1. Select the breaker cover supports and breaker covers.
Table 1 lists the catalog numbers of the appropriate
breaker covers for various switchboard and
panelboard sizes.
Switchboard or Panelboard Width
Cover Height
27 & 31" Pnlbd
35" Swbd
36 & 40" Pnlbd
40" Swbd
44" Pnlbd
45" Swbd
SGDA, SGHA, SGLA, and SGPA – Single-branch mount
5
1
/
2
" (4X)
208C4262G16
208C4262G17
208C4262G18
SGDA, SGHA, SGLA, and SGPA – Double-branch mount
5
1
/
2
" (4X)
N/A
208C4262G49*
208C4262G19
* For 40"-wide panelboards or switchboards only.
Figure 1. Circuit breaker cover catalog numbers for various
panelboard and switchboard widths.
2. Install the circuit breaker
according to the breaker
mounting instructions.
3. Install the space filler.
A space filler is only required
with a single breaker installed in a double-branch
configuration. Secure the steel space filler with two
#10-32
x
3
/
8
" screws, tightened to 25 in-lb, as shown in
Figures 1 and 2.
4. Install the cover plate and center barrier.
•
Single-branch applications.
Attach the plastic
spacer bars, as shown in 3, with four #6-20
x
1"
washer-head screws and four #6 nut clips. Attach
the cover plate assembly to the circuit breaker.
Tighten the screws to 10 in-lb.
•
Double-branch applications.
Assemble two #10-16
x
1
/
2
" washer-head screws and two #10 nut clips in
the cover, as shown in Figure 1 for a single
breaker and Figure 4 for two breakers. Attach the
cover plate assembly to the circuit breaker center
barrier and tighten the screws to 10 in-lb.
Figure 1. Attaching the space filler to the breaker cover and the
assembled cover to the breaker.
Figure 2. Completed assembly with a space filler.
Figure 3. Attaching the plastic spacer bars in a single-branch
application.
DEH045 Installation Instructions
R05
Space Filler
#10 Nut
Clips
#10-16
Screws
#10-32
Screws
#6-20
Screws
Plastic
Spacer
#6 Nut
Clips
