Natupal Generator Interlock Kit SD200A for Square D QO & Homeline Panels (150–200 A)

Safe, reliable generator power when you need it

The Natupal Generator Interlock Kit SD200A is designed to work with Square D QO and Homeline panels rated for 150 or 200 amps. It helps you switch to generator power without competing breakers or improvisation, offering a practical upgrade for existing electrical setups.

Key benefits at a glance

• Safe power routing: The interlock prevents back-fed power and keeps main and generator breakers from being on at the same time.
• Space-conscious design: Requires 1 3/8 inch spacing between main and generator breaker for broad compatibility.
• Complete kit: Includes interlock plate, three shoulder screws, three hex nuts, start-up label, reminder labels, zip ties, instruction bulletin, and a drill bit.
• Easy installation: No extra control box or complicated wiring required; mount and connect with the included tools and instructions.

What to expect in practice

During outages or storms, this interlock kit helps you selectively power essential circuits with a portable generator. By directing generator power to designated areas, you can keep essential appliances running while maintaining panel safety and reducing manual risk.

Package contents and setup

• Interlock plate
• Three shoulder screws
• Three hex nuts
• Generator start-up procedure label
• Five reminder labels
• Two zip ties
• Instruction bulletin
• Drill bit

Who is this for?

Homeowners and DIY enthusiasts seeking a practical, code-friendly approach to integrating a portable generator with a Square D panel. The kit is designed for installers with basic electrical knowledge, with clear guidance and support available if needed.

Compatibility and support

Compatible with Square D QO and Homeline panels rated at 150 or 200 amps, enabling a straightforward upgrade without panel replacement. Natupal stands behind its products and offers replacements if needed.