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    • Home  / Product Manuals & Documentation
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    SECO-LARM SD-961x-36GxQ — ENFORCER Electromechanical Push Bars

    September 08, 2026 3 min read

    SECO-LARM ENFORCER Electromechanical Push Bars — heavy-duty exit push bars with double-locking spindle, available in manual or solenoid-actuated (access-control-compatible) versions.

    💾 Download Original PDF
    Full text manual (for reference)

    Installation and reference guide for the SECO-LARM ENFORCER Electromechanical Push Bars (SD-961A/B/D-36GQ and solenoid-actuated SD-961A/B/D-36GSQ series). These heavy-duty exit push bars feature a double-locking spindle for stronger, more secure locking, and are available in manual (mechanical-only) or solenoid-actuated versions that can be released by an access control system.

    Available Models

    Model Solenoid Operating Voltage Color
    SD-961A-36GQ No N/A Silver
    SD-961B-36GQ No N/A Black
    SD-961D-36GQ No N/A Dark bronze
    SD-961A-36GSQ Yes 12~24 VAC/VDC Silver
    SD-961B-36GSQ Yes 12~24 VAC/VDC Black
    SD-961D-36GSQ Yes 12~24 VAC/VDC Dark bronze

    Key Features

    • Double-locking spindle for stronger, more secure locking
    • Available in manual or solenoid-actuated versions
    • Solenoid rated for both continuous and intermittent operation
    • Aluminum alloy construction, reversible non-handed design
    • Fail-Secure operation (can still be opened from inside by pressing the bar)
    • Lock status monitoring output for returning status to the access control system
    • Mortise lock cylinder and keys included for outside release
    • Dogging latch on the push bar to hold the door open
    • Includes all hardware needed for typical installations

    Specifications

    Current Draw 1.5A @ 12VDC (0.5A after 3 seconds) — solenoid models only
    Entrance External keyed lock (manual models); keyed lock or access control device (solenoid models)
    Endurance Over 500,000 cycles
    Contact Load 5A @ 125VAC
    Output Form "C" (NO/NC/COM) door monitor
    For Doors 36" (91.5cm), minimum 32⅞" (83.5cm), wood or metal, non-handed
    Latch Double-locking spindle
    Material Anodized aluminum
    Dimensions 2 7/16" x 2 9/16" x 35 1/16" (61.5 x 65 x 890 mm)
    Weight 5 lb 10 oz (2.56kg) manual; 6 lb 6 oz (2.88kg) solenoid

    Installation Overview

    1. Measure and draw a horizontal centerline on the inside of the door, 40" (102cm) above the floor or per local regulations.
    2. Use the supplied metal template to mark cutting lines for the stop/strike assembly and all mounting/lock cylinder holes.
    3. Drill 3/16" (4mm) mounting holes and install the lock assembly, ensuring the spindle extends at least 3/16" (5mm).
    4. Remove the end caps to access the terminals; thread wiring through the wiring hole and install the push bar base, then connect the wiring per the diagram below.
    5. Drill the two blind nut holes (precisely 1/4"/7mm) for the strike assembly.
    6. Insert blind nuts and use the hex tool/wrench to compress them into place permanently.
    7. Install the strike assembly, maintaining a 3/16" (4-5mm) gap between the strike and end cap; use included spacers as needed.
    8. Confirm the push bar and strike operate smoothly and the locking spindle teeth fully engage the strike before tightening the two main strike screws — install the middle screw last.

    Wiring

    Manual (SD-961x-36GQ) models — connect the lock status indicator (Brown = N.O., Green = COM, White = N.C.) to the lock status output; relay rated 5A @ 125VAC.

    Solenoid-actuated (SD-961x-36GSQ) models — connect the push bar's PB N.O./COM terminals to the access control keypad/proximity reader's N.O./COM outputs, and connect the push bar's power terminals (–/+) to a 12/24 VAC/VDC power supply. Note: the latch retraction duration on solenoid models is controlled by the connected N.O. switch.

    Troubleshooting

    Issue Solution
    Bar does not unlock when triggered (solenoid models) Check the input voltage (12~24 VAC/VDC); check that the trigger switch is operating properly
    Buzzing sound when activated (solenoid models) Can happen with AC voltage — switch to DC if it persists
    Device does not unlock Check back pressure on the latch and adjust

    Important Notes

    • Not weatherproof — do not mount on an exterior surface or anywhere exposed to rain.
    • Push bar mounting height may be subject to local regulations; the installer/end-user is responsible for compliance (including ADA accessibility and fire-door suitability — this push bar is NOT fire-rated).
    • Installers and users are responsible for compliance with all applicable national, state, and local laws and codes.

    Warranty

    1-year limited warranty against defects in material and workmanship under normal service, from date of sale to the original customer. SECO-LARM's obligation is limited to repair or replacement of defective parts (transportation prepaid by purchaser).