Commercial garage door opener models
MH
- Type: Jackshaft
- Medium duty: less 12 cycles / hour
- Power: ½ HP
- With chain hoist
- Single‑Phase: 115V
MT
- Type: Trolley
- Medium duty: less 12 cycles / hour
- Power: ½ HP
- Emergency manual operation using accessible disconnect
- Single‑Phase: 115V
RBH
- Type: Jackshaft
- Industrial duty: less 12 cycles / hour
- Power: available in ½, ¾, and 1 HP
- With chain hoist
- Single-Phase: 115V and 230V,
3-Phase: 208V, 230V and 460V, 575V