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ALARM LOCK Exit Door Alarm: 9 V DC, Mortise, Aluminum, Siren - Standard Door Alarms
ALARM LOCKStandard Door Alarms

ALARM LOCK Exit Door Alarm: 9 V DC, Mortise, Aluminum, Siren

The ALARM LOCK PG21MB is a standard door alarm featuring a mortise cylinder type and an aluminum alarm body. It operates on a 9 V DC battery power source and emits a siren sound type with a 95 dB sound level.

SKU 3G-OTH-427035

Brand
ALARM LOCK
Item
Exit Door Alarm: 9 V DC, Mortise, Aluminum, Siren
Category
Standard Door Alarms
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Technical Specifications

ALARM LOCK
Manufacturer Part Number
PG21MB
Sound Type
Siren
Power Source
Battery
Cylinder Type
Mortise
Alarm Body Material
Aluminum
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ALARM LOCK Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ALARM LOCK PG21MB is a standard door alarm featuring a mortise cylinder type and an aluminum alarm body. It operates on a 9 V DC battery power source and emits a siren sound type with a 95 dB sound level.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the ALARM LOCK PG21MB exit door alarm used for?

The ALARM LOCK PG21MB is a standard door alarm designed to secure emergency exits and perimeter doors. It emits a 95 dB siren when the door is opened, deterring unauthorized use while allowing safe egress. Common applications include schools, retail stores, warehouses, and commercial facilities requiring reliable exit alarm monitoring.

What are the specifications of the ALARM LOCK PG21MB?

The ALARM LOCK PG21MB operates on a 9 V DC battery power source and features a mortise cylinder type. Its alarm body is made of aluminum, and it produces a siren sound type at 95 dB sound level. The manufacturer part number is PG21MB. This unit is designed for standard door alarm applications.

Where to buy the ALARM LOCK PG21MB worldwide?

3G Electric supplies the ALARM LOCK PG21MB worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact our team to source this exit door alarm for your facility. We provide competitive pricing and reliable service for international orders.

How to install the ALARM LOCK PG21MB exit door alarm?

Install the ALARM LOCK PG21MB by mounting the aluminum alarm body on the door frame at the recommended height. Connect the mortise cylinder according to the manufacturer's instructions, then insert a 9 V DC battery to power the unit. Test the 95 dB siren to confirm proper operation. For specific wiring details, consult the product manual.

Used in

Common applications for ALARM LOCK
Educational 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.

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