Features Compatible With Multiple Models: Designed for ITE, Gould, Murray, and Siemens 150 or 200A panels, ensuring a fit for your electrical setup Prevents Power Conflicts: This kit ensures that mains and generator power cannot be activated simultaneously, safeguarding against accidental outages and enhancing safety Aluminum Alloy Construction: Made from high hardness aluminum alloy, this interlock kit features resistance, ensuring longevity and reliability in various conditions Features: 1、COMPATIBLE MODEL: For ITE, for Gould, for Murray, for Siemens 150 or 200A panel. The distance between the main breaker and the nearest generator breaker is 1 1/4 inch. Please confirm the model and spacing before purchasing. 2、MAIN FUNCTION: This kit can prevent both mains and generator power from being turned on simultaneously, avoiding the inconvenience that may arise from accidental power outages. 3、ALUMINUM ALLOY BODY: The generator interlock kit is made of prevention and high hardness aluminum alloy, with chamfering and anodizing treatment, which can be used for a long time. 4、ANODIZED : The interlock panel kit has undergone anodizing treatment, has better resistance, electrical insulation and thermal insulation, ensuring use safety. 5、EASY TO INSTALL: The interlock kit comes with 3/16 drill bit, made of sturdy steel, can easily pass through the circuit breaker panel. Easy to install, without the need for additional control boxes or wiring. Specification: Item Type: Generator Interlock Kit Material: Aluminum Alloy Model: ITE 200A Package List: 2 x Generator Interlock Panel 3 x Nut 3 x Screw 1 x Drill Bit 2 x Cable Tie 2 x Sticker 1 x User Manual Package List 2 x Generator Interlock Panel 3 x Nut 3 x Screw 1 x Drill Bit 2 x Cable Tie 2 x Sticker 1 x User Manual