Built for extreme-duty commercial applications, the HES Folger Adam 310-2 3/4 24D Electric Strike provides rugged, dependable electronic access control for cylindrical and mortise locksets.

This configuration features a 3/4" keeper designed to accommodate latchbolts with up to a 3/4" throw without a deadbolt. Constructed entirely from stainless steel, the 310 Series is engineered for high-abuse openings where conventional electric strikes may not provide sufficient durability.

With ANSI/BHMA Grade 1 performance, a 1,500 lb static strength rating, and testing to 1 million cycles, the 310 Series is ideal for demanding commercial, institutional, and industrial door applications.

Key Features

• Manufacturer: HES / Folger Adam

• Series: 310 Series

• Model: 310-2 3/4-24D

• Heavy-duty industrial electric strike

• 3/4" keeper depth

• Accommodates up to a 3/4" throw latchbolt

• Designed for latchbolt applications without a deadbolt

• Suitable for single doors and pairs of doors

• 24VDC operation

• 250mA continuous-duty current draw at 24VDC

• Fail Secure standard

• Fail Safe configuration available when specifically ordered

• All-stainless-steel construction

• 1,500 lb static strength

• 70 ft-lb dynamic strength

• Tested to 1,000,000 cycles

• Horizontally adjustable keeper

• Non-handed design

• Plug-in electrical connector

• Tamper-resistant heavy-duty construction

• Suitable for cylindrical and mortise lock applications

• Designed for metal and wood frame applications

Fire-Rated Performance

The HES Folger Adam 310 Series is suitable for fire-rated door applications when properly configured.

• UL 10C Listed

• Up to 3-hour fire rating

• Fire rating applies in Fail Secure operation

• Suitable for qualifying single- and double-door applications

Always verify the complete opening and local code requirements before installation on a fire-rated assembly.

Heavy-Duty Construction

The 310 Series is engineered specifically for high-use and high-abuse commercial openings. Its all-stainless-steel construction provides excellent strength and corrosion resistance while helping withstand repeated operation in demanding environments.

With a 1,500 lb static strength rating and 1 million cycle endurance rating, it is well suited for doors that experience frequent traffic and continuous daily use.

Adjustable Keeper

The horizontally adjustable keeper helps installers compensate for minor door and frame alignment variations, making installation and final adjustment easier while maintaining proper latch engagement.

Ideal Applications

• Commercial buildings

• Hospitals and healthcare facilities

• Schools and universities

• Government facilities

• Airports

• Detention and institutional facilities

• Industrial buildings

• High-traffic entrances

• Access-controlled doors

• Security doors

• Single-door openings

• Pairs of doors

Product Specifications

Brand: HES / Folger Adam
Series: 310 Series
Model: 310-2 3/4-24D
Product Type: Heavy-Duty Electric Strike
Keeper Depth: 3/4"
Latchbolt Accommodation: Up to 3/4" Throw
Deadbolt Compatibility: No Deadbolt
Voltage: 24VDC
Current Draw: 250mA @ 24VDC
Operation: Fail Secure – Standard
Handing: Non-Handed
Static Strength: 1,500 lbs
Dynamic Strength: 70 ft-lbs
Endurance: 1,000,000 Cycles
Construction: Stainless Steel
Grade: ANSI/BHMA Grade 1
Fire Rating: Up to 3 Hours – Fail Secure Applications

Certifications

• ANSI/BHMA A156.31 Grade 1

• UL 10C Fire Rated

• UL 294 Listed

• UL 1034 Burglary-Resistant Listed

• RoHS Compliant

Important Fitment Note

The 310-2 3/4 configuration is specifically designed for locksets with up to a 3/4" throw latchbolt without a deadbolt.

For applications using both a latchbolt and deadbolt, a different 310 Series configuration may be required. Always verify the existing lockset, latch throw, frame preparation, voltage, and required finish before ordering.