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The HES 660 Series is the strongest surface-mounted, multi-purpose cabinet locking solution in the HES line, delivering over 1,000 lbs of holding force to swinging or sliding cabinet doors and drawers. It brings door-grade electronic security to equipment cabinets, lockers, display cases, and secure storage in commercial and government environments.
The patented, all-metal lock withstands over 100 ft-lbs of dynamic impact and is endurance tested beyond 1,000,000 cycles. Operation is fail-secure: the electromechanical bolt stays mechanically locked when power is removed, unlike magnetic cabinet locks that release on power loss. Choose a 12 VDC or 24 VDC model with low continuous draw (240 mA @ 12 V, 120 mA @ 24 V).
Adjustable mounting brackets with a final lockdown feature and a 6 foot jacketed cable lead make installation straightforward on either door swing or on drawers. Options cover the demanding cases: LBSM locked state monitoring for alarm and access control supervision, a preload version that releases under up to 15 lbs of door pressure, an RJ-connector version, and the 660-KO mechanical key override kit. Every 660 carries a 3 year limited warranty.
Features
- Over 1,000 lbs static holding force - the strongest HES surface-mounted cabinet lock.
- Withstands over 100 ft-lbs of dynamic impact.
- Endurance tested beyond 1,000,000 cycles.
- Fail-secure electromechanical bolt stays locked during power loss.
- All-metal, patented construction.
- Non-handed; mounts to swinging or sliding doors and drawers.
- Adjustable mounting brackets with final lockdown feature.
- 6 foot single-piece jacketed cable lead.
- Optional LBSM locked state monitoring with dry contact output.
- Optional preload version releases under up to 15 lbs of door pressure.
- Optional 660-KO mechanical key override kit; RJ-connector version available.
- 3 year limited warranty.
Specifications
General
- Function
- Surface-mounted electromechanical cabinet lock, fail-secure
- Holding Force
- 1,000 lbs static
- Impact Resistance
- Over 100 ft-lbs dynamic
- Cycle Endurance
- 1,000,000+ tested cycles
- Applications
- Swinging or sliding cabinet doors and drawers; server racks, storage cabinets, display cases, asset lockers
- Construction
- All-metal, patented design
- Mounting
- Adjustable brackets with final lockdown feature; non-handed
- Wiring
- 6 foot jacketed cable lead
- Preload Option
- Releases under up to 15 lbs of door preload
- Key Override
- Optional 660-KO mechanical key override kit
- Warranty
- 3 year limited
- Ordering
- Voltage model + options: LBSM monitoring, preload, RJ connector (e.g. 660-12D-LBSM, 660-24D-Preload)
Electrical
- Voltage
- 12 VDC or 24 VDC models (plus or minus 10%)
- Current Draw
- 240 mA @ 12 VDC; 120 mA @ 24 VDC (continuous duty)
- Current Draw (Preload Option)
- 700 mA @ 12 VDC; 350 mA @ 24 VDC
- Monitoring
- Optional LBSM locked state monitoring, dry contact output
Frequently Asked Questions
- Is the 660 fail-safe or fail-secure?
- Fail-secure only - the bolt stays mechanically locked when power is removed. There is no fail-safe version.
- How does it compare to a magnetic cabinet lock?
- Magnetic locks need continuous power to hold; the 660 uses an electromechanical bolt that keeps the cabinet locked through power outages.
- What if the door is under pressure?
- Order the preload version - it releases smoothly with up to 15 lbs of force on the door, such as gasket pressure or someone pulling.
- Can it report lock status?
- Yes - the LBSM option provides a dry contact locked state output for alarm panels and access controllers.
- Is there a mechanical key backup?
- Yes - the 660-KO key override kit adds manual key access for emergencies.
- What power does it use?
- A 12 VDC or 24 VDC model, drawing 240 mA or 120 mA on continuous duty (700/350 mA on the preload version).
- How does it differ from the HES 610?
- The 610 is a compact lock rated around 200 lbs for low-abuse indoor cabinetry; the 660 delivers 1,000 lbs plus preload handling and monitoring for high-security applications.
