LiftMaster Exterior Air Switch, SPDT | LIF-50-101

LiftMasterSKU: LIF-50-101

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LiftMaster Exterior Air Switch, SPDT | LIF-50-101

The LiftMaster Exterior Air Switch, SPDT, offers a simple and robust solution for vehicle detection, complementing the safety provided by a system's sensing edges by providing the activation signal for a gate or commercial door.

Also known as:
  • 50-100
  • 501012
  • 000000000000501012

Standard Edge:

  • A standard 2-wire edge will cause a door to reverse when it meets an obstruction while closing if the operator has type B2, C2, S2, T, T1 or TS control wiring.

Failsafe Edge:

  • A failsafe edge (or self monitoring edge) requires either a 3- or 4-wire connection and will not only cause a door to reverse while closing but will also render the door inoperable if the edge is not installed or if it becomes damaged after installation.
WARNING: It is strongly recommended that some type of safety equipment be used with every door operator. Without safety equipment users may suffer serious injury!
Genuine LiftMaster® replacement part.

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