First Source Energy Inc
First Source Energy Inc
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    • FAQ - Inverter Generator
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  • More
    • Home
    • Residential - Homeowners
      • Residential - Homeowners
      • DuroMax Generators
      • XP16000iH - XP16000IHT
      • XP11000iH - XP11000IHT
      • XP13000HX - XP13000HXT
      • FIRMAN Generators
      • Generator Packages
      • Generator Interlock Kits
      • DuroMax Battery Solutions
    • Generator Maintenance
    • Inverter Generators
      • FAQ - Inverter Generator
      • XP16000 Dual - Tri Fuels
      • XP11000 Dual - Tri Fuels
    • SOFT START KITS FOR AC
      • Micro Air EASY START
      • Smooth Start Soft Starter
    • Product Lineup
      • Briggs & Stratton
      • Champion Generators
      • Cummins Generators
      • DuroMax Generators
      • Generac Generators
      • Kohler Generators
    • Electrical Solutions
    • Our Team
      • About First Source Energy
      • Leadership
    • First Source Gallery
  • Home
  • Residential - Homeowners
    • Residential - Homeowners
    • DuroMax Generators
    • XP16000iH - XP16000IHT
    • XP11000iH - XP11000IHT
    • XP13000HX - XP13000HXT
    • FIRMAN Generators
    • Generator Packages
    • Generator Interlock Kits
    • DuroMax Battery Solutions
  • Generator Maintenance
  • Inverter Generators
    • FAQ - Inverter Generator
    • XP16000 Dual - Tri Fuels
    • XP11000 Dual - Tri Fuels
  • SOFT START KITS FOR AC
    • Micro Air EASY START
    • Smooth Start Soft Starter
  • Product Lineup
    • Briggs & Stratton
    • Champion Generators
    • Cummins Generators
    • DuroMax Generators
    • Generac Generators
    • Kohler Generators
  • Electrical Solutions
  • Our Team
    • About First Source Energy
    • Leadership
  • First Source Gallery

Generator Interlock Kits

Interlock Kits mechanically prevent a breaker conflict to protect your equipment

Electrical panel with labeled main & generator breakers, warning signs, and interlock kit installed.

Custom Interlock Kits

Manual Transfer Switches - Any Panel, Any Amperage. 


Interlock kits are custom laser-cut to fit any electrical panel on the market.


Interlocks prevent two or more main breakers from being ON simultaneously.

Electrical panel with breakers labeled Main, Generator, and Photovoltaic, with interlock kit.

Solar Interlock Kits

Manual interlock lets you switch between main breaker and solar breaker, preventing both from being active at the same time.


Compatible with solar panels, solar batteries, generators, and EVs.

Various electrical components including breakers, cables, and safety devices.

Accessories

We have Accessories for any type of Installation In your Home or Business!


Breakers and Breaker Retainers

Generator Power Cords

Inlet Boxes

Meters

Adhesive Panel Labels

Energy saving Devices that MAKE a Difference !!

  • FIRMAN Generators
  • Generator Packages
  • Generac Generators

First Source Energy Corp

5400 Mitchelldale Street Houston, Texas, 77092

(844) 223-9900

Copyright © 2026 First Source Energy Corp - All Rights Reserved.

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