Alarm Controls AM3370 US28 Z Bracket Kit for 600S Magnetic Lock

The Alarm Controls AM3370 is a 3-piece Z bracket kit designed specifically for mounting the 600S series electromagnetic lock on in-swinging doors. Finished in Clear Anodized (US28), this bracket kit provides a clean, corrosion-resistant mounting solution for interior access control applications where a standard flat-mount header installation is not possible due to door geometry or frame conditions.

Z bracket mounting hardware is the standard approach when the maglock body and armature plate need to be offset to achieve proper door-to-magnet contact on an in-swinging door. Without the correct bracket geometry, the electromagnet and armature may not mate squarely, reducing holding force and long-term reliability. The AM3370 resolves this by providing the precise angular offset required for in-swing door configurations.

Key Benefits

• Designed for in-swinging doors — provides the correct Z-profile offset so the maglock armature seats flush against the electromagnet when the door closes
• 3-piece kit — all bracket components included for a complete installation without sourcing additional hardware
• US28 Clear Anodized finish — aluminum anodized finish resists corrosion and coordinates with standard aluminum frame and storefront aesthetics
• Matched to 600S magnetic locks — engineered to the mounting geometry of the Alarm Controls 600S series, ensuring proper alignment and full rated holding force
• Surface-mount installation — no door prep or mortising required; installs at the door header with standard fasteners

Applications

• Interior access control openings with electromagnetic locks on in-swinging single doors
• Office, corridor, and interior security doors where a 600S series maglock is specified
• Retrofit installations where frame geometry requires a Z-bracket offset rather than a direct flat mount
• Commercial buildings, educational facilities, healthcare campuses, and government interiors

Electromagnetic Lock Mounting — What Installers Should Know

Electromagnetic locks consist of two components: the electromagnet (mounted to the frame header) and the armature plate (mounted to the door face). For the lock to develop its full rated holding force, the armature must contact the magnet face squarely and fully when the door closes. On in-swinging doors, the door face and frame are not coplanar at the header — a Z bracket compensates for this geometry so the armature presents flat to the magnet face regardless of the door swing direction.

As with all electromagnetic locks, the 600S series is fail-safe by design — loss of power drops holding force and the door can be pushed open. Fire-labeled doors used with maglocks must also incorporate separate positive-latching hardware, as electromagnetic locks provide holding force but not mechanical latching. Confirm all code requirements with the authority having jurisdiction (AHJ) before final specification.

Technical Details

Contact us for compatible magnetic lock options, alternative bracket configurations for out-swinging or double-door applications, or to request a quote on complete electromagnetic locking hardware packages.