BEST 8KW Series Grade 1 Electromechanical Cylindrical Knob Lock with Fail-Safe Operation

BEST 8KW Series Grade 1 Electromechanical Cylindrical Knob Lock with Fail-Safe Operation

Professional Remote Access Control Solution

The BEST 8KW Series electromechanical cylindrical knob lock delivers Grade 1 commercial security with remote locking capability for enhanced safety and convenience. This fail-safe (electrically locked) unit operates on 12V AC/DC at 0.50 amps or 24V AC/DC at 0.18 amps when used with the supplied Temperature Control Module (TCM). Designed for doors 1-3/4" to 2-1/4" thick, this UL listed lock meets ANSI/BHMA A156.2 Series 4000 Grade 1 standards and is approved for 3-hour fire-rated applications.

Professional Features & Benefits

• Door Thickness Compatibility: Standard configuration for doors 1-3/4" to 2-1/4" thick accommodates most commercial door applications.
• Dual Voltage Operation: 12V AC/DC at 0.50 amps or 24V AC/DC at 0.18 amps with supplied TCM for flexible power integration.
• Fail-Safe Security: Electrically locked operation ensures door remains secure during power loss for enhanced safety applications.
• Grade 1 Construction: Lock chassis meets ANSI/BHMA A156.2 Series 4000 Grade 1 requirements for heavy-duty commercial performance.
• Non-Handed Installation: Universal lever design allows for simplified installation without field configuration requirements.
• Integrated Sensors: Request-to-exit sensor positioned inside lock trim with door contact sensors standard for complete access control integration.
• UL Fire Rating: UL listed for GYQS electrically-controlled single point locks on 3-hour A label single doors up to 4' x 10' for both U.S. and Canadian applications.
• Manufacturer Warranty: 10 Year Limited warranty provides long-term protection and confidence in commercial installations.

Technical Specifications

Types

• 12 volts AC/DC when used with supplied TCM — 0.50 amps
• 24 volts AC/DC when used with supplied TCM — 0.18 amps
• All EU functions: Electrically Unlocked (Fail Secure)
• All EL functions: Electrically Locked (Fail Safe)

Approval Listings

• UL listed for GYQS Electrically- controlled singlepoint locks or latches.
• This product has been approved by the California State Fire Marshal (CSFM) pursuant to section 13144.1 of the California Health and Safety Code.
• Approved by the city of New York Board of Standards and Appeals under calendar number 730-89-SA. See CSFM listing No. 4136-1175:103. It is subject to re-examination, revision and possible cancellation

Door thickness

• Standard lock configuration designed for doors 1 3/4" – 2 1/4" thick. NOTE: All W-series locks require the use of a (TCM) Temperature Control Module. A TCM and TCM connector are supplied standard with every order.

Installation & Operation

1. Verify electrical requirements match available power supply. Confirm voltage (12V AC/DC or 24V AC/DC) and current capacity before proceeding.
2. Disconnect power supply before beginning installation. Follow all applicable electrical codes and safety procedures.
3. Mount the unit in the specified location ensuring adequate clearance for wiring access, ventilation, and future service requirements.
4. Route and connect wiring according to manufacturer wiring diagrams. Use appropriate wire gauge and connectors for the application.
5. Configure operational settings including fail-safe operation per application requirements.
6. Restore power and test all functions including normal operation, request-to-exit sensor, door contact sensors, and integration with connected systems.
7. Complete final inspection and document settings. Refer to manufacturer documentation for complete wiring diagrams, programming instructions, and troubleshooting.

Professional Applications

• Commercial Building Security Systems
• Healthcare Facility Access Control
• Educational Institution Safety Systems
• Government and Municipal Buildings
• Industrial Facility Monitoring
• Emergency Exit Compliance
• Multi-Tenant Residential Properties

Why Choose BEST Quality?

BEST 8KW Series electromechanical locks deliver professional-grade reliability with corrosion-treated steel construction and Grade 1 ANSI/BHMA A156.2 certification for demanding commercial applications. The 10 Year Limited warranty and UL listing for 3-hour fire-rated doors ensure long-term performance and code compliance. Engineered for demanding commercial applications where dependable remote access control and fail-safe security are essential.