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The HES 8500 Series is the fire-rated, concealed electric strike for mortise locksets without a deadbolt, accommodating latchbolts up to 3/4" throw. It installs with little or no modification to the frame - no cutting to the face: remove the existing strike plate and the dust box, and install into the same opening (dust box removal applies to the standard ANSI/BHMA A156.115 prep). The strike conceals completely within the frame, and it complies with NFPA 80-07 guidelines for retrofit into fire-rated frames.
Its keeper pin locking design lets the 8500 exceed Grade 1 ratings: 1,500 lbs static strength, 70 ft-lbs dynamic impact, and 1,000,000 tested cycles in tamper-resistant stainless steel. It is UL 10C fire rated for up to 3 hours in fail-secure mode, outdoor rated (UL 1034), field selectable between fail-secure and fail-safe, and non-handed, with full pocket shims for horizontal adjustment in metal or wood frames.
It runs on dual voltage 12/24 VDC/VAC (240 mA / 120 mA; DC continuous duty, AC intermittent) with a PoE-friendly draw and plug-in connector. Four lock-specific faceplate option kits (sold separately) adapt one strike body to most major mortise locksets - each kit includes a standard faceplate plus a wider-pocket faceplate for sagging doors. Optional LBM or LBSM monitoring reports latch status (for example 8500-630-LBM), backed by the SecuriCare 5 year no-fault warranty - 10 years with the SMART Pac III.
Features
- Concealed, fire-rated strike for mortise locksets without a deadbolt, latchbolts up to 3/4".
- No cutting to the face of the frame - replaces the existing strike plate and dust box.
- UL 10C fire rated up to 3 hours (fail-secure mode); NFPA 80-07 retrofit compliant.
- Keeper pin design exceeds Grade 1: 1,500 lbs static, 70 ft-lbs dynamic.
- Endurance tested to 1,000,000 cycles; stainless steel, tamper resistant.
- Field selectable fail-secure or fail-safe; non-handed.
- Four lock-specific faceplate kits cover Sargent, Corbin Russwin, Schlage, ACCENTRA, and more.
- Each kit includes a standard faceplate plus a wider-pocket plate for sagging doors.
- Full pocket shims for horizontal adjustment; internally mounted solenoid; plug-in connector.
- Slim 1-5/16" body depth; metal or wood frames.
- Dual voltage 12/24 VDC/VAC, PoE friendly; outdoor rated (UL 1034).
- Optional LBM / LBSM monitoring; SecuriCare 5 year no-fault warranty (10 with SMART Pac III).
Specifications
General
- Function
- Fire-rated concealed electric strike for mortise locksets without a deadbolt
- Lock Compatibility
- Mortise latchbolts up to 3/4" throw, via lock-specific faceplate kits
- Installation
- No cutting to the frame face; replaces the existing strike plate and dust box (ANSI/BHMA A156.115 prep)
- Holding Strength
- 1,500 lbs static; 70 ft-lbs dynamic impact (exceeds Grade 1)
- Cycle Endurance
- 1,000,000 tested cycles
- Material
- Stainless steel, tamper resistant
- Body Depth
- 1-5/16" (33.3 mm)
- Frame Types
- Metal or wood frames
- Handing
- Non-handed; internally mounted solenoid
- Adjustment
- Full pocket shims for horizontal adjustment
- Operating Mode
- Field selectable fail-secure or fail-safe (fire rating applies in fail-secure only)
- Environment
- Suitable for outdoor use (UL 1034)
- Warranty
- SecuriCare 5 year no-fault; 10 years total with SMART Pac III
- Ordering
- Finish + monitoring option (e.g. 8500-630-LBM); faceplate kit ordered separately
Electrical
- Voltage
- Dual voltage 12 or 24 VDC/VAC; PoE friendly
- Current Draw
- 240 mA @ 12 VDC; 120 mA @ 24 VDC
- Duty
- DC continuous duty; AC intermittent duty only
- Monitoring
- Optional LBM latchbolt monitor or LBSM latchbolt strike monitor
Faceplate Option Kits
- 851M
- Sargent 8100, 8200, 9200 mortise locksets
- 852K
- Corbin Russwin ML 2000 mortise locksets
- 852L
- Schlage L9000 mortise locksets
- 852M
- ASSA ABLOY ACCENTRA 8700 (post-2005) and 8800, Accurate, Falcon, Kaba Ilco/Unican
- Kit Contents
- Two faceplates each (4-7/8" x 1-1/4"): standard, plus a wider-pocket plate for sagging door conditions
Finishes
- 630
- Satin Stainless Steel
- 629
- Bright Stainless Steel
- 605
- Bright Brass
- 606
- Satin Brass
- 612
- Satin Bronze
- 613
- Oil Rubbed Bronze
Certifications and Compliance
- UL 10C
- Fire rated up to 3 hours (fail-secure mode only)
- NFPA 80-07
- Compliant for retrofit into fire-rated frames
- NFPA 252 / ASTM E152
- Fire door test standards compliant
- ANSI/BHMA A156.31
- Grade 1
- UL 1034
- Burglary-resistant listed, suitable for outdoor use
- UL 294
- Access control system units
- RoHS
- Compliant
Frequently Asked Questions
- Which locks does the 8500 work with?
- Mortise locksets without a deadbolt, up to 3/4" latchbolt throw. Lock-specific faceplate kits cover Sargent (851M), Corbin Russwin (852K), Schlage L9000 (852L), and ACCENTRA, Accurate, Falcon, and Kaba (852M).
- What if my mortise lock has a deadbolt?
- Use the HES 1006 - it captures mortise deadbolts up to 1" throw. The 8500 is for latchbolt-only mortise locks.
- How does the no-cut installation work?
- Remove the existing strike plate and the dust box (standard A156.115 prep), then install the 8500 into the same opening - no cutting to the frame face.
- Is it fire rated?
- Yes - UL 10C up to 3 hours in fail-secure mode, with NFPA 80-07 compliance for retrofitting into existing fire-rated frames.
- What is in a faceplate kit?
- Two faceplates: a standard plate and a wider-pocket plate that compensates for sagging door conditions. Kits are lock-specific and ordered separately.
- What power does it require?
- Dual voltage 12/24 VDC/VAC, 240 mA / 120 mA, PoE friendly. DC supports continuous duty; AC is intermittent only.
- Can it report door status?
- Yes - order with the LBM latchbolt monitor or LBSM latchbolt strike monitor option.
- What warranty does it carry?
- The SecuriCare 5 year no-fault warranty, extended to 10 years with the SMART Pac III power controller.
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