Panel
Thomas & Betts, Challenger & Westinghouse 150 & 200
Amp Panels
Model
TB-200A
Main Breaker
150 or 200 amp single handle Horizontal throw left (on) to right (off)
1 to 1 1/8 spacing between bottom of main breaker and branch
breaker.
Generator Breaker
Top left side 2 positions
WARNING
Only qualified personnel should be working on the panel box
An amateur should
NEVER
open the panel box
Please follow all rules and regulations of the National Electric Code
Step 1: Disassemble the interlock. Place the bottom plate (holes only) above the top left breaker and touching the corner of the top
right breaker and mark holes.
Step 2: Turn off main breaker and remove panel cover.
Step 3: Drill holes as marked on panel cover with supplied 3/16 drill bit and remove all burs from drilling cover.
Step 4: Insert screws from rear of cover, install bottom plate, and install top plate (slotted) install thread lock to screws and install
retaining nuts. Ensure proper movement.
Step 5: Install 2 pole Generator breaker on top left side and place Generator Warning Sticker on Generator breaker.
Step 6: Combine the zip ties to make a loop and install zip ties around top set of breakers in panel as shown in picture below. Pull on
ends to make tight around breakers. Trim zip ties as needed and Install Warning label next to release tab on zip tie at
generator breaker.
