Crawford Automatic 300 SE manual extra quality
The phrase "" most likely refers to the vintage Crawford Automatic 300 series , a line of Swiss-made mechanical watches known for their reliable automatic movements and "Extra Quality" (EQ) designations often found on mid-century Swiss timepieces to denote superior finishing or testing.
- High-Torque Motor: The Crawford 300 SE features a powerful motor that delivers 300 Nm of torque, making it suitable for large and heavy doors.
- Advanced Control System: The operator is equipped with a sophisticated control system that provides smooth and precise door movement, reducing wear and tear on the door and operator.
- Soft-Start and Soft-Stop: The operator features soft-start and soft-stop technology, which gently accelerates and decelerates the door, reducing stress on the door and operator.
- Manual Override: The Crawford 300 SE features a manual override system, allowing for easy manual operation of the door in case of a power failure.
- Safety Features: The operator is equipped with multiple safety features, including safety sensors, which prevent the door from closing if an object is detected in its path.
Safety Sensing
: Integrated obstacle detection that automatically reverses the door if it encounters an object.
Force Adjustments
: If the operator is struggling, you may need to adjust the sliding clutch to ensure it is strong enough to drive the door but not so strong that it cannot be stopped by hand for safety.
