ALARM LOCK Exit Door Alarm: 9 V DC, Mortise, Gray, Aluminum, Sweep
The ALARM LOCK PG21MS 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-427041
Need installation or engineering help?
Ask a question
Product Description
The ALARM LOCK PG21MS 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.
Frequently Asked Questions
What is the ALARM LOCK PG21MS exit door alarm used for?
The ALARM LOCK PG21MS is a standard exit door alarm used to secure commercial or industrial doorways. It emits a 95 dB sweep sound when the door is opened, deterring unauthorized egress. 3G Electric supplies this alarm across 14 industrial departments, including security and facility maintenance.
What are the specifications of the ALARM LOCK PG21MS?
The ALARM LOCK PG21MS is a battery-powered exit door alarm operating on 9 V DC. It features a mortise cylinder, sweep sound type, and a gray aluminum body. The alarm delivers a 95 dB sound level. The manufacturer part number is PG21MS.
Where to buy the ALARM LOCK PG21MS worldwide?
3G Electric supplies the ALARM LOCK PG21MS exit door alarm to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this standard door alarm.
How to install the ALARM LOCK PG21MS exit door alarm?
Install the ALARM LOCK PG21MS by mounting the gray aluminum body on the door frame and connecting the mortise cylinder per the manufacturer's instructions. Insert a 9 V DC battery to power the unit. Test the sweep sound at 95 dB to confirm proper operation.
Used in
Common applications for ALARM LOCKALARM 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.










