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Security Door Controls 491 Emergency Door Release Blue Break Glass Station with Siren, Unlocks Fail Safe Door Locks, 3V-28VDC, 2" Single Gang Box Mounting, 5.5" x 3.5" x 1.375"
Item #: 491 by Security Door Controls
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Features
Alternate Part Number-1
153587
Style
Emergency Break Glass
Type
SPDT
Mounting
Surface Mount
Switch Mode
Maintained Action
Voltage/Amp Rating
12 - 24V DC
Warranty
1 Year From Date of Purchase.
Aluminium Bottle Contents
Swinging
ProductType
Manual
Product Overview
SDC 490 Series Emergency Door Release
The SDC 491 Emergency Door Release Break Glass Station provides immediate unlocking of perimeter doors or interior doors that are equipped with fail-safe electric locks. The 491’s built in alarm may be used as a local door annunciator.
The SDC 491 is specifically designed for emergency door release and may influence the approval of an electric locking system. This type of Emergency Door Release may be preferred over a pull station since greater commitment is required to break the glass.
| Item Number | Description |
| 491 | Break glass emergency door release with siren 3V-28VDC, 18mA (2 replacement glass pieces included) |
| 491-GL4 | Four replacement glass plates |
| 491-BB | Blue surface mount back box |