A safepack module is used as an "Intrinsically Safe Barrier Relay" and in hazardous locations with non-voltage producing sensors allowing the user to use a N.O. non-monitored sensing edge.
May be used in two different ways: as an OPEN only control (all LiftMaster operators) or as an OPEN/CLOSE control (only LiftMaster operators with types B2 and S2 control wiring).
In the latter case pulling the cord will open a fully closed door close a fully opened door and reverse a closing door.
Pulling the cord whlie the door is opening will either have no effect (type B2 wiring) or will stop the door (Solid State Logic Control Board).
Air pressure is lead via a hose or pipe to a diaphragm contact. This contact converts the positive or negative pressure into an electrical contact and pulse.
Molded enclosure
Applications: commercial sectional doors rolling doors and mass transit
Works on doors up to 60ft
Can be used with standard pneumatic hose and Miller Edge extrusion
Manufactured to the highest quality standards to ensure accurate detection our Pre-formed loops come with a 50 foot twisted lead-in ware and available lead-in lengths up to 500 feet.
Ideal for use on existing asphalt or concrete surfaces
Features a non spliced continuous wire throughout loop turns and lead-in.
requires the use of loop sealer when being installed to ensure long lasting trouble-free detection
Chain spreader for installation with 1-1/4" operator shaft and 1-1/4" door shaft
Designed to keep tension on the chain when used with a wall mount commercial operator. It helps avoid premature wear on the door shaft bearing and commercial operator output shaft bearing
The Silencio operators have integrated noise reducing enhancements which make it 4X QUIETER than the Premium Trolley Apartment model (OTBH-A.05).
A low headroom apartment type garage door operator designed for use on industrial standard lift sectional doors with high cycling daily frequency requirements
Mounting (Low Headroom Design): Ceiling-mounted with only 6.25" headroom clearance required below the tracks. For indoor use only.
Dimensions: Back Room: door height + 4'5" (1350 mm)
Head Room For Tracks: 5.625" (143 mm) above the highest point of door travel
Comes with carwash modification and tracks/chain for doors up to 12ft