- Instant reverse limited duty 1/2 HP motor
- 4l V-belt, chain and sprocket reduction
- Door speed: 11"/second
- Adjustable friction clutch
- Dual heavy gauge, pre-drilled arm for manual operation
- Quick release disconnect arm for manual operation
- Liftable control box with hinged cover
- Heavy duty relays
- Thermal protection
- C2 wiring, B2 or D1 can be set easily
- Pre-wired for open override, safety reverse, radio control
- Back room: door height
- Head room: 4"
Option: Solenoid brake
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