XMK generator interlock kit main panel ensures safe backfeed control for Square D QO/Homeline.
XMK interlock kit side view shows sturdy alignment for reliable panel integration.
XMK generator interlock kit packaging with complete parts for quick setup.
XMK installation instructions guide for mounting on 100/125 A panels.
XMK generator interlock kit contents include plate, screws, drill bit, and labels.
XMK outdoor installation setup on a Square D panel for outdoor use.
XMK safe operation preventing simultaneous main and generator breakers.

XMK

XMK Generator Interlock Kit for Square D QO/Homeline Panels – 100–125A

High-performance tools and home improvement made for confident daily results

$29.02

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Why customers choose TaskHolt Tools

Introducing the XMK Generator Interlock Kit

Meet the XMK Generator Interlock Kit, engineered for Square D QO and Homeline panels in 100 A and 125 A configurations. This professional-grade interlock keeps main and generator circuits safely separated, while preserving the familiar layout of your panel. With 3/4 to 7/8 inch spacing between the main breaker and branch breakers, the kit supports a clean, left-to-right single-handle operation. It is suitable for indoor or outdoor installation, so you can choose a location that fits your home and climate. The kit emphasizes durable construction and precise fit, helping you extend the life of your electrical system without replacing existing equipment.

Key benefits

  • Safe backfeed management helps prevent backflow into utility lines when using a portable generator.
  • Cost-effective solution that enables backup power without replacing your main panel.
  • Designed for quick, straightforward installation with included tools and labels.
  • Durable materials and precise tolerances support long-term reliability in various environments.
  • Compatibility with Square D QO and Homeline 100 A / 125 A panels ensures flexible use in many homes.

What’s included

  • 1 x Interlocking Plate
  • 3 x Shoulder Screws
  • 3 x Hex Nuts
  • 1 x Matching Drill Bit
  • 1 x Generator Start-Up Procedure Label
  • 5 x Reminder Labels
  • 2 x Zip Ties
  • 1 x Instruction Sheet

Installation and safety

Installation is simplified to align with the panel’s existing hardware. The interlock keeps the main breaker and generator breaker from being ON at the same time, reducing risk during generator use. A smooth operation sequence helps you switch power sources with confidence, and professional installation is recommended if you are unsure about any step.

Use cases

Whether you face periodic outages, plan for storms, or simply want a robust backup option, the XMK interlock kit offers a practical path to safer, more versatile power management. It supports both indoor and outdoor mounting and is sized for typical residential panels, making it a versatile addition to your electrical toolkit.

FAQ

Q: Which panels are compatible with the XMK Generator Interlock Kit?

A: Compatible with Square D QO and Homeline 100 A and 125 A panels for indoor or outdoor use.

Q: What does the kit include?

A: Includes interlocking plate, 3 shoulder screws, 3 hex nuts, drill bit, startup and reminder labels, zip ties, and instruction.

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