FAAC 620 and 640 Emergency Bypass Solenoid - 401051 - automatically disengages the hydraulic locking system of the barrier when the main power is not available, allowing the beam to be raised by hand. This requires a 230VAC power supply.
This is the FAAC Guardian 2001 Small standard prime coated hinge. Ideal for heavy and high traffic gates where reliability is essential. Both sides mount to a flat-weld surface. Rated at 600 lbs per pair.