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Alarm Lock PG21MB Visual/Audible Narrow-Stile Door AlarmAlarm Lock PG21MB Visual/Audible Narrow-Stile Door Alarm
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Alarm Lock PG21MB Visual/Audible Narrow-Stile Door Alarm

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Alarm Lock PG21MB Advanced Narrow-Stile Microprocessor Controlled Door Alarm for Surface Mounting on a Door or Door Frame

Availability: In stock


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Priority orders placed before 12PM PST will be shipped the same day. Standard orders will be shipped within 24 hours.

Most items (excluding special orders) can be returned or exchanged within 30 days. Please see our Return Policy for more details.

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Product Description


• Two selectable arming modes for security door alarms and locks
1. Always armed mode – when key is turned counter clockwise to the disarm position, the key cannot be removed. To remove key, turn back to arm mode, thus keeping unit armed always.
2. Standard security door alarm arming mode – when key is inserted turning counter clockwise will disarm and key can be removed. Turning key clockwise will arm and key can be removed.
• Max-Flex Terminals, allowing for any or all of the following:
• Multiple door monitoring permitted with built-in external reed switches
• Security Door Lock and Alarm Status Indicator – The LED will indicate RED when armed.
• Entry Delay Time Options – include 15 seconds, 1 minute 15 seconds & 3 minutes 15 seconds
• Sleek model design key-activated door alarm for use on standard size and narrow stile doors
• Unauthorized use of door causes alarm to sound and activates LED indicator
• Options include continuous alarm, minute shutdown with auto reset and exit/entry delay
• Uses standard mortise cylinder
• Tamper switch supervised
• For exterior key control, optional RIM cylinder may be used
• Metallic bronze finish

Optional cylinders available (Standard Mortise & Outside Rim Cylinders with 2 keys)

Additional Information

Additional Information

Manufacturer Alarm Lock
Model PG21MB
Dimensions (W x H x D): 2-1/2" x 11" x 2-3/8"
Handing Non-Handed
Power 9V battery powered (supplied)
Battery Life 2.5 years standby typical; 200 Alarm sequences
Sound Pressure 95dB Dual Piezo Horn (measured at 10’)
Finish Metalic Bronze
Warranty 2 Year Warranty
Weight 2.0000


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