ALARM LOCKStandard Door Alarms
ALARM LOCK Exit Door Alarm: 9 V DC, Mortise, Gray, Aluminum, Sweep
The ALARM LOCK PG21MSS is a standard door alarm powered by a 9 V DC battery. It features a sweep sound type, a mortise cylinder, and a gray aluminum body. This exit door alarm delivers a 95 dB sound level.
SKU 3G-OTH-427040
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ALARM LOCK Products
3G Electric (S) Pte. Ltd. — Singapore
Product Description
The ALARM LOCK PG21MSS is a standard door alarm powered by a 9 V DC battery. It features a sweep sound type, a mortise cylinder, and a gray aluminum body. This exit door alarm delivers a 95 dB sound level.
Used in
Common applications for ALARM LOCKEducational facilities — ALARM LOCK PG21MS exit door alarm for securing classroom and hallway emergency exits
Retail stores — ALARM LOCK 250XUS28 rim-type door alarm for rear stockroom doors to prevent unauthorized egress
Healthcare — ALARM LOCK PG30MS sweep-tone alarm on patient wing exit doors to alert staff of door openings
Office buildings — ALARM LOCK 715X28X88 panic alarm device on main entrance push bars for egress monitoring
Industrial warehouses — ALARM LOCK PG21MB mortise alarm on loading dock doors with siren for high-noise environments
Access control integration — ALARM LOCK PG30KPD digital keypad for arming/disarming alarm systems in secured areas
ALARM LOCK Products
3G Electric supplies ALARM LOCK standard door alarms. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.










