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The LiftMaster SUB300M is a 230v replacement underground motor, as used in the LiftMaster SUB300 and UGO300 series underground gate opener kits.
Please Note: This listing does NOT include a foundation box, however these are available separately.
Features:
- Powerful performance thanks to underground drive system
- Made from high quality materials
- Long service life, designed to last
- Quiet AC motor that operates smoothly
- Maintenance-free for less hassle
- Uses a 10µF capacitor
- 2 years warranty
Compatible With:
- SUB300 and UGO300 series underground gate opener kits
- CB11 control board
- SUB-110 and SUB-180 opening gate arms
| Dimensions | |
| Weight (kg) | 10 (motor only) |
| Drive | |
| Motor Type | Electro-Mechanical |
| Electrical Data | |
| Capacitor (μF) | 10 |
| Current (A) | 2.1 (nominal) |
| Motor Voltage | 230v |
| Power (W) | 300 (nominal), 350 (max) |
| Voltage Supply | 230 - 240v AC (50 / 60 Hz) |
| Gate Specifications | |
| Automation Type | Underground |
| Kit Type | Motor Only |
| Max. Gate Leaf Length (M) | 4.0 |
| Max. Gate Weight (KG) | 600 |
| Performance Data | |
| Force (N) | 380 (nominal tractive) |
| Motor Duty Cycle ED | 30% |
| Speed (Degrees/Sec) | 8 |
| Speed (RPM) | 1400 |
| Time To Open 90° | ~15 s |
| Torque (Nm) | 380 |
| Work Cycle (cycles/day) | 60 |
| Working Temp. (°C Min/Max) | -20°C to +55°C |
| Technical | |
| Protection Level (IP) | 67 |

















