Are the manual transfer equipment or generator interlock kits available for Older Load Centers (30+ years) Or that used a Vertically mounted Main Breaker?

Issue:
Product Selection

Product Line:
QO Load Center Accessory

Environment:
Product Selection - Generator Interlock Kit

Cause:
Selection Criteria

Resolution:
No, The manual transfer equipment kits or generator interlock kits were not available until around the Year 2000 and later and are not available for Older(30+ years) load centers or load centers with a Vertically Mounted Main Breakers or branch breakers.

NOTES:
1) The manual transfer equipment and generator interlock kits are designed for the more current Series G and S load centers only.
2) The manual transfer equipment kits or generator interlock kits are not available for the older Homeline Load centers that used a 4-pole type Main Breaker (For example the HOM2150 or HOM2200).
3) The manual transfer equipment kits were only designed for the current QO load centers, NOT Homeline.