Assa Abloy Lockwood EMZ4-SM Mini Mag, 280kg, Single, Monitored, PTL, Surface Mount, 12/24V DC

Lockwood EMZ4-SM Mini Mag Electromagnetic Lock

Secure commercial doors with the Lockwood EMZ4-SM Mini Mag Electromagnetic Lock, a surface-mounted, monitored solution from ASSA ABLOY’s trusted Padde Series. Designed for flexibility and durability, this single electromagnetic lock delivers up to 280kg holding force, making it ideal for high-use swing doors and access-controlled areas.

With fail-safe (PTL) operation, dual voltage 12/24Vdc selection, and integrated monitoring, the EMZ4-SM provides dependable performance for both new installations and retrofit projects.

Model: EMZ4-SM

Key Features 

• 280kg Holding Force – Strong magnetic locking for commercial doors
• Monitored Output – Reed switch monitoring for lock and door status
• Fail-Safe (PTL) – Unlocks automatically when power is removed
• Dual Voltage 12/24Vdc – Site selectable for flexible installation
• Surface Mount Design – Ideal for retrofit and exposed applications
• Self-Aligning Armature Plate – Pivots to accommodate door drop
• Silent Operation – No humming or buzzing
• Instantaneous Release – Eliminates residual magnetism
• Fire Rated up to 4 Hours – Tested to AS1905.1.2005 standards
• CE Approved & C-Tick Certified
• Suitable for Timber, Aluminium, Steel & Glass Doors
• 5 Year Tricare Warranty (Padde Series)

Ideal Applications

• Commercial offices

• Education facilities

• Healthcare sites

• Retail environments

• Glass door installations

• High-use swing doors

• Access-controlled cupboards and secure areas

Why Choose the Lockwood EMZ4-SM?

• Compact yet powerful 280kg holding force

• Surface mount for easy installation

• Integrated monitoring functionality

• Fire-rated for compliant installations

• Silent operation with smart electronics

• Trusted ASSA ABLOY engineering

• Backed by a 5-year Tricare warranty

The Lockwood EMZ4-SM Mini Mag is a versatile and reliable electromagnetic locking solution for commercial applications requiring monitoring, fire compliance, and clean surface-mounted installation.

Not sure which lock you need?

Tell us your door construction, swing direction, indoor/outdoor exposure, and if you need monitoring. We’ll recommend the best fit and brackets.

Read Full Beginner's Guide to Magnetic Door Lock Installation
Perfect for DIYers and professionals — includes tools, wiring, and pro tips!

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