GenInterlock SD-H200A Quick Start Manual

Model
Main Breaker
Generator Breaker
Only qualified personnel should be working on the panel box
An amateur should NEVER open the panel box
Please follow all rules and regulations of the National Electric Code
Step 1: Disassemble the interlock. Place the bottom plate (holes only) parallel to the main breaker above the left
hand top breaker, as in the picture. And mark holes.
Step 2: Turn off main breaker and remove panel cover.
Step 3: Drill holes as marked on panel cover with supplied 3/16 drill bit and remove all burs from drilling cover.
Step 4: Insert screws from rear of cover, install bottom plate, and install top plate (slotted) install thread lock to
screws and install retaining nuts. Ensure proper movement.
Step 5: Install 2 pole Generator breaker on top left side and place Generator Warning Sticker on Generator
breaker.
Step 6: Re-Install panel cover, Verify proper operation of interlock. Main breaker ON, generator breaker OFF
and generator breaker CAN NOT be turned on. Generator breaker ON, main breaker OFF and main
breaker CAN NOT be turned on.
SD-H200A
200 amp Horizontal throw left (on), right (off). Spacing from bottom
of main to first breaker 2 5/8 inches
Top left side 2 positions
WARNING