Interval Space Required:1 1/4 - 1 7/16 Inch Spacing between main and generator breaker. Make sure the model numbel and spacing is correct, and they will work.
Safe use:the manual transfer switch device allow portable generator safe back feeding power supply to distribution panel and home line. Prevent utility and generator supplies from being ON at the same time. Aren't putting electrician in dangerous and damage electric devices during power outages.
This Interlock Kit is designed to work with Cutler Hammer BR and CH Series Main Panels, compatible with both 150 and 200 AMP configurations.
Installation Note: Before installing the interlocking kit, Attach the screws to the interlock kit first. Let's simulate the use of the test, so that we can better align the installation position, to avoid errors in the installation position, resulting in failure to use.