| An operator adapter is required to install a disconnect in bulletin A21, A28, A34 and A4L3D Hoffman enclosures that have a universal cut-out |
| Operator adapters include an adapter plate and additional components needed to interlock the master door with the disconnect operating mechanism |
| Installation instructions are included with each operator adapter |
| Each brand and type of disconnect requires a different operator adapter |
| Be sure to select the correct operator adapter and enclosure for the disconnect device selected |
| Used on all Hoffman NEMA 4/12 disconnect enclosures with a universal flange cut-out |
| 400 A or greater disconnect switch and 600 A or greater circuit breaker require the large handle |
