Generator Interlock Kit for Square D QO or Homeline Panels 150 Amp to 200 Amp, 1 And 3 Eighths Inch Spacing, Heavy Duty Aluminum Silver Finish, Corrosion Resistant, Easy Install, Builds Safe Backup Power System

Interlock Kit for QO / Homeline Panels 150 to 200A
✔️ Single kit: interlock, 6 safety labels, 2 straps, drill bit, guide

This heavy-duty interlock kit is built to fit 150-200A QO or Homeline panels, providing a safe, code-compliant backup power connection when using a portable generator.

✅ Compatibility: fits 150-200A QO or Homeline panels
✅ Material: corrosion-resistant aluminum alloy with anodized finish
✅ Spacing: 1 3/8 in between main and nearest generator breaker
✅ Contents: interlock x1; safety labels x6; generator breaker retainer straps x2; drill bit x1; installation guide x1

💡 What is a generator interlock kit used for in residential electrical panels?

It provides a handy, code-compliant way to connect a portable generator without a transfer switch.

- Handy to prevent backfeed into the utility lines
- Keeps main and generator power isolated for safety
- Helps maintain a compliant backup power setup