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HES SMB Series Grade 2 Surface-Mount Electric Strike Lock for Double Doors
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JMAC ID: SMB
Product Overview
Overview
HES SMB Series electric strike solutions offer a Grade 2 surface-mount locking system designed for double doors without a mullion. This series provides a secure, no-cut installation on the inactive door leaf to accommodate rim exit devices up to 1/2” latch throw. The SMB Series combines a robust surface mounting box with a compatible HES electric strike, creating a convenient dual-door access control solution that maintains security and fire-life safety standards. Facilities choose the SMB Series for its easy retrofit installation and reliable performance in commercial, institutional, and retail environments.
Technical Specifications
Specifically, the HES SMB Series is also designed to meet ANSI/BHMA Grade 2 specifications, with a static hold force of at least 1,000 lbs, as well as impact resistance of at least 50 ft-lbs. The strikes and the surface-mount latches are designed as a tamper-resistant device to help protect it from prying or attack. Each SMB Series strike is field-selectable to operate as either fail-safe or fail-secure, allowing for safe unlocked access to an opening during a power loss, or secure access depending on the needs of the opening. The strikes are provided with the option of a dual voltage (12 or 24 VDC) circuit as standard, with a solenoid mounted in a position to provide reliable, continuous-duty operation. The SMB Series strikes are non-handed installations to allow for right- or left-hand doors with no additional fabrication. Each strike is easy to adjust for a variety of situations, including: to assist in mounting to a misaligned door, to relieve pre-load pressure after door installation, or simply to ensure the latchbolt will properly engage after installation if door gaps (and weather-stripping) create tension.
Application
In application, the SMB Series shines in pair-of-door scenarios where adding a fixed mullion is undesirable. The surface-mount box attaches to the inactive door leaf, allowing a rim exit device’s latch from the active door to secure into the strike box. This makes it ideal for glass storefront double doors, exit doors in retail or offices, and retrofitting older double-door entrances. Installers appreciate that no frame cutting is required – simply mount the SMB box and align it with the exit device’s Pullman latch. The black powder-coated housing offers a low-profile look and shields the strike mechanism, which is especially useful in applications where aesthetics and vandal-resistance are important. The SMB Series is compatible with popular HES surface strikes (e.g. the 9400, 9500, 9600, 9700 series) and even legacy Folger Adam rim strikes, making it a flexible choice for various door systems.
In Comparison
The HES SMB Series provides a cleaner and more secure alternative to traditional double-door locking systems. Rather than installing a vertical rod device on each door or adding a post or aftermarket mullion, the SMB solution allows one door leaf to be unrestricted, while providing secure latching onto one door leaf. This means that the full opening width remains preserved to facilitate the movement of equipment or furniture using double doors, unlike a mullion fixed to its vertical position. The SMB completely improves the earlier generation of surface strikes by adding multi-point adjustability and upgrades in strength to a higher grade that exceeds basic Grade 2, or in some configurations hovers around Grade 1 holding forces. Overall, the HES SMB Series provides an adaptable, high-value potential upgrade for facilities seeking improvements to double door security with minimal changes to the doors, offering a higher level of reliability.
Key Features & Benefits
- No-Mullion Design: Provides secure latching on double doors without needing a center mullion by securing to the inactive leaf allowing you to capture rim exit device latch.
- Grade 2 Security: Constructed to ANSI/BHMA A156.31 Grade 2, capable of ~1,000 lbs static hold force and 50 ft-lbs dynamic impact resistance provides you quality security.
- Easy Surface Installation: No cutting or even modification required of the door-frame. Simply surface mounted the strike box and aligned with the exit device latchbolt to fast and efficient ad hoc solutions.
- All-Steel Construction: Heavy duty metal (black powder coated) housing, with a tamper resistant design enabling protection of both the strike and latch against tampering and/or forced attack.
- Fail-Safe/Fail-Secure Selectable: Configurable in the field either fail-secure (locks without power) or fail-safe (unlocks without power) to suit life-safety or security requirements.
- Dual Voltage Compatibility: Accepts either 12 VDC or 24 VDC input using *continuous duty*, solenoids allowing the product to interface with a six variety of access control power supplies.
- Non-Handed Universal Fit: Symmetrical design permits installation on left-hand or right-hand swinging doors without adjustments, simplifying stocking and on-site setup.
- Preload Tolerance: Accommodates slight door pressure or misalignment so that latches release smoothly even with up to 15 lbs of preload (in fail-secure mode), preventing binding under tension.
- High Duty Cycle Performance: Engineered for heavy use, tested to hundreds of thousands of cycles (300,000+), ensuring long-term durability in busy entryways.
- Wide Strike Compatibility: Works with HES rim exit strikes (7000 series with rim kit, 9400/9500 low-profile, 9600/9700 windstorm models) and legacy Folger Adam equivalents, making it a flexible retrofit solution.
Technical Specifications
| Specification | Details |
|---|---|
| Input Voltage: | 12 or 24 VDC (dual-voltage capable) |
| Current Draw: | ~450 mA at 12 VDC / 250 mA at 24 VDC (continuous duty) |
| Strength Rating: | 1,000 lbs static holding force; 50 ft–lb dynamic impact resistance (Grade 2 standard) |
| Latchbolt Throw: | Up to 1/2” rim latch throw (standard Pullman bolt) supported |
| Handing: | Non-handed (fits LH or RH doors) |
| Operation Mode: | Field-selectable fail-safe or fail-secure (power-to-unlock or power-to-lock) |
| Construction: | Steel strike chassis and mounting box; black suede powder coat finish |
| Dimensions: | Strike box approx. 9” tall × 1-3/4” deep × 9/16” thick (matches rim strike form factor) |
| Monitoring: | Latchbolt monitor (LBM) available as an optional add-on for strike status feedback |
| Compatibility: | Pairs with HES 7000 (with 783S/789S kit), 9400, 9500, 9600, 9700, *and similar series rim exit electric strikes* |
Warranty & Certifications
Warranty: 5 years (extendable to 10 years with SMART Pac III)
Certifications & Compliance:
- ANSI/BHMA A156.31 Grade 2 – Certified Grade 2 electric strike (≥1,000 lb hold force, 50 ft–lb impact, 300k cycles)
- UL 1034 Listed – UL burglary-resistant electric locking hardware listing for secure use on exterior doors
- UL 294 Listed – Complies with UL 294 standards for access control system units (electrical safety and reliability)
- UL 305 Certified – Meets UL 305 panic hardware release requirements for safe integration with exit devices on egress doors
Accessories & Related Products
- 310-2-3 Astragal Latch Guard: Vertical guard for the door edge covering the gap between paired doors to help protect the latch/strike so one door cannot be pushed open until the other door is closed.
- 9000-ASB Spacer Bracket: 1/2” aluminum spacer for surface strikes, used to accommodate larger door gaps or recessed mounting conditions for a flush installation.
- 2005M3 SMART Pac III: In-line power control module that reduces initial voltage and filters spikes – extends the strike’s warranty to 10 years and improves overall longevity.
- HESCUT-MTK Template Kit: Metal template and jig kit to assist in precise alignment and drilling when installing HES surface-mount strikes and SMB boxes on door frames.
- HES 9400 Series – Slim Surface Mounted Electric Strike (Grade 1) for 1/2” latch rim exits, pairs with the SMB for no-cut double-door solutions.
- HES 9500 Series – Surface Mounted Strike similar to 9400 but with enhanced monitoring features, also compatible with the SMB box for double-door use.
- HES 9600 Series – Heavy-Duty Surface Strike (Windstorm-rated) for rim exit devices, offers Grade 1+ strength and outdoor rating – an option when higher security than Grade 2 is needed.
- HES 9700 Series – Fire-rated, windstorm resistant surface strike designed for specialty exit devices (SecureBolt/SquareBolt); can be surface-mounted on pairs of doors using the SMB kit.
- HES 7000 Series – Universal Electric Strike for cylindrical and rim exits (with appropriate faceplate kit); the 7000 with a rim exit faceplate (e.g. 783S) installed in an SMB box creates a similar Grade 2 solution for double doors.
Other products from Hanchett Entry Systems (HES)
Customer Reviews
2 Reviews
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No complaints here
Exactly the right choice—runs great!
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First-rate item
Brilliant—recommend it without hesitation!
