GenInterlock TB-200A User Manual

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.

GenInterlock TB-200A Specifications

General

Brand	GenInterlock
Model	TB-200A
Category	Circuit breakers
Language	English

Summary

Product Specifications and Safety

Panel and Breaker Compatibility

Details panel compatibility with Thomas & Betts, Challenger & Westinghouse 150 & 200 Amp Panels.

Main Breaker Configuration

Describes the 150 or 200 amp single handle main breaker throw and spacing.

Generator Breaker Placement

Specifies the generator breaker position as top left side with 2 positions.

Qualified Personnel Warning

Emphasizes that only qualified personnel should work on the panel box.

Installation Steps

Step 1: Disassemble and Mark

Disassemble interlock, position bottom plate, and mark holes on the panel cover.

Step 2: Prepare Panel Cover

Turn off the main breaker and remove the panel cover.

Step 3: Drill and Deburr Holes

Drill holes as marked on the panel cover using the supplied bit and remove burrs.

Step 4: Install Interlock Components

Install bottom and top plates, secure with screws, thread lock, and retaining nuts.

Step 5: Install Generator Breaker

Install the 2-pole generator breaker and affix the warning sticker.

Step 6: Secure Breakers with Zip Ties

Use zip ties to secure breakers, trim as needed, and install warning labels.

Operation Verification and Labeling

Step 7: Verify Interlock Operation

Re-install panel cover and verify correct interlock function for main and generator breakers.

Step 8: Apply Labels

Place generator start-up and caution labels on the panel box and electric meter pan.

Important Usage Guidelines and Disclaimer

Simultaneous Breaker Operation

Main and generator breakers must never be turned on simultaneously.

Troubleshooting and Contact

Contact for support if the interlock malfunctions; do not use.

Installation Responsibility

Disclaimer stating GenInterlock.com is not responsible for misuse or improper installation.