- Fully Automatic 12/24V DC Selection
- 3000 Pounds Shear Holding Force
- Limited Lifetime Warranty
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CRL Mortise Mounted Shear Lock (SKU: GF3000DSMB) is a concealed, patented shear-lock designed for commercial doors and Herculite® top/bottom rail installations. Its unique "floating" mounting allows the magnet assembly to move toward the armature during engagement, overcoming gaps up to 1/4" (6 mm) without current inrush—ideal for retrofit and new construction where door/frame tolerances vary.
Once engaged, the shear lock delivers up to 3000 lbs. holding force with low operating temperatures. Key differentiators: fully concealed mortise design, patented floating action, automatic 12/24V DC voltage selection (no manual jumper), and an adjustable automatic relock (1–30 seconds). Universal hardware is included for flush or recessed door-edge installation; a "BRD" floor-mount model is available when top-rail mounting is not possible.
SPECIFICATIONS:
Holding Force: 2700 - 3000 Lbs. (1225 - 1361 kg)
Input Voltage: 12/24 Volts DC - Automatic Selection (requires filtered, regulated power supply)
Current Draw: 900 mA @ 12V DC, 450 mA @ 24V DC
NOTE: Accessories available: mounting brackets, power supplies, transformers, keypads.
Product Warning:
Requires a filtered, regulated 12–24 VDC power supply (or filtered unregulated with rectifier for 12–16 VDC). Voltage selection is automatic.
Most shipping weights are approximate. If exact weight is required for shipping cost calculation, contact CRL Customer Service before ordering. Product images are representative; colors may vary by monitor.
Order the GF3000DSMB mortise shear lock for heavy-duty commercial door security—contact us to check compatibility or to request mounting/accessory options.