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: up to 20 cycles/hour, max 80/day
- Heavy‑duty roller bearings
- Power: available in ½, ¾, and 1 HP
- With chain hoist
- Place mounted: On wall
- Factory installed brake
- Single-Phase: 115/230V,
3-Phase: 208/230/460V or 575V