740 Series Emergency Break Glass Release - Schlage Electronics

SCHE 740
Part #:
$402.91 - $447.66

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Product Overview

Schlage 740 Series emergency break glass release products are designed for use as an emergency release of doors not normally used for daily ingress/egress. These may include laboratories, testing areas or other similar work rooms. It is also used in fail safe, multiple door interlocks and perimeter protection systems that involve the central control and potential lockdown of electronic locking devices, as an on-site emergency release. A "break glass" solution may be preferred in many situations over a conventional "pull box" installation because it is less vulnerable to misuse or tamper actuation.

The 740 Series emergency break glass units consist of a replacement break glass cartridge that normally holds the plunger-activated switch depressed until the cartridge lens is broken. When the lens is broken, the plunger moves forward and alters the switch contact position.


  • Alarm/Siren
    80 dB @ 2 ft (742 only)
  • Application
    Laboratories, testing areas, and other similar rooms provided with exit doors
  • Contact Rating
    6A @ 30 VDC, form Z switch
  • Depth
    1-1/2" behind wall
  • Function
    Releasing non-designed egress doors
  • Hardware Finish
    Satin Stainless Steel 630/US32D
  • Height
  • Lights
    LED (on 741 only)
  • Mounting Style
    Surface or Mortice
  • Power
  • Projection
    1" from wall
  • Unit of Measure
  • Use With
    Fail Safe type Electric Locking Systems
  • Width