QYZZRS Generator Interlock Kit for Eaton BR Panels 150/200A | 1 1/4–1 7/16 in Spacing

Enhance electrical safety and preparedness with the QYZZRS Generator Interlock Kit, designed for Eaton Cutler Hammer BR and CH main panels (150 A and 200 A). With a precise spacing requirement of 1 1/4 to 1 7/16 inches between the main and generator breaker, this kit helps coordinate power sources without overlapping feed lines. The kit is built to fit a variety of BR/CH configurations, offering a practical solution for residential or light commercial setups where portable generators are part of the plan.

What’s included

• 1 × Interlock plate
• 3 × Screws kit
• 1 × Drill Bit
• 1 × Instruction Bulletin
• 2 × Generator Start-Up Procedure Label
• 8 × Remind Label
• 2 × Zip Ties

Key features and real-life use

In real-world use, you’ll appreciate how the interlock plate acts as a physical guide that helps you align components during installation. The included drill bit and screws make the initial mounting straightforward, reducing guesswork when you’re working in tight panel spaces.

During power interruptions, the manual transfer switch workflow supported by this kit discourages simultaneous ON states for utility and generator, lowering the risk of backfeeding. The helpful labels provide clear step-by-step cues for startup and ongoing safety checks.

Two sets of benefits you might notice

• Safer power transfer: helps prevent utility and generator from being ON at the same time.
• Clear guidance: labels reduce uncertainty during startup and routine checks.
• Organized panel: zip ties and reminder labels help maintain tidy, readable wiring paths.

Installation tips

• Verify model number and confirm the spacing between the main and generator breaker matches 1 1/4"–1 7/16".
• Attach screws to the interlock kit first, then simulate to align before final mounting.
• Follow the Instruction Bulletin step by step to avoid installation errors that could affect performance.

Designed for DIY enthusiasts and professionals alike, this interlock kit translates complex wiring into a practical, installable solution for safer, more flexible power management.