- Instant reverse single phase 1/2 HP motor, with internal automatic reset thermal overload
- 4L/A V-belt, chain and sprocket reduction
- Heavy-duty 1" output shaft
- Ball bearings at all critical points
- #48 drive roller chain
- Door speed: 11"/second
- Dual heavy-gauge, pre-drilled galvanized tracks, up to 12' door height
- Green baked-on long lasting enamel finish
- Rotary type limit switches
- Motor removable without affecting the limits
- Hinged cover
- Quick release disconnect arm for manual operation
- Adjustable friction clutch
- Thermal overload protection
- Unique fuse control circuit protection
- C2 wiring, B2 or D1 can be set easily
- Pre-wired for open override, door reversal, radio control with external control strip
- Back room: door height + 3'11" (1175 mm)
- Head room for tracks: 4" (102 mm)
- Maximum door height: 14' (4260 mm)
- 2 Year Warranty
Options: Solenoid brake, delay on reverse, timer to close
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