BEST 1W7R4 Electric Switch Lock with Quad SPDT Switches and Momentary Action

BEST 1W7R4 Electric Switch Lock with Quad SPDT Switches and Momentary Action

Professional Electric Switch Lock with Four-Switch Configuration

The BEST 1W7R4 Electric Switch Lock delivers professional-grade electrical control with four SPDT (Single Pole-Double Throw) switches in a momentary action configuration. This Grade 1 heavy-duty unit features key positions at 2 o'clock and 10 o'clock, with contact ratings up to 15 amps at 125 VAC resistive and operating temperatures up to +176°F (+80°C). The double D lock cylinder prevents slipping and turning while maintaining compatibility with any BEST interchangeable core system.

Professional Features & Benefits

• Quad Switch Configuration: Four SPDT switches provide multiple circuit control options for complex electrical applications requiring simultaneous switching operations.
• Heavy-Duty Contact Ratings: Rated for 15 amps at 125 VAC resistive, 15 amps at 250 VAC resistive, and 15 amps at 30 VDC resistive for reliable high-current switching.
• High Temperature Operation: Operating temperature up to +176°F (+80°C) ensures reliable performance in demanding industrial environments.
• Momentary Switch Action: Spring-return momentary operation provides precise control for applications requiring temporary circuit activation.
• Double D Lock Cylinder: Prevents slipping and turning while maintaining compatibility with BEST interchangeable core systems for master keying flexibility.
• Professional Installation: Screw terminals provide secure, reliable connections for ease of installation and maintenance.
• UL Recognition: All switches are UL recognized or listed for code compliance and safety assurance.
• Horsepower Rating: 1/2 HP rating at 125-250 VAC for motor control applications requiring reliable switching under load.

Technical Specifications

• Commercial/Residential: Commercial
• Department: Door Hardware
• Duty Level: Heavy Duty
• Electronic: Yes
• Grade: Grade 1
• Keyed: Yes
• PDF:BEST Electronic Solutions: https://zensupply.com/content/pdf/best/BA-0310_BEST_Electronics-Brochure-03-23.pdf
• PDF:W Series Electromechanical Locks: https://zensupply.com/content/pdf/best/BA-0273_BEST_W_Series_Sell_Sheet-04-23.pdf
• Product Category: Mechanical Locks
• Product Group: Mechanical Locks
• Product Subgroup: Bored Locksets
• Product Type: Electric Switch Lock
• Series: 1W Series
• Subcategory: Bored Locksets

Installation & Operation

1. Verify electrical requirements match available power supply. Confirm voltage and current capacity before proceeding with 15 amp resistive load requirements.
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 15 amp application load.
5. Configure operational settings including momentary switch action and key position requirements per application specifications.
6. Restore power and test all functions including normal operation, all four SPDT switch positions, 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

• Industrial Control Panel Security
• Manufacturing Equipment Access Control
• Electrical System Lockout/Tagout
• Process Control System Protection
• Emergency Stop Circuit Integration
• Motor Control Center Security
• Critical Infrastructure Access Points

Why Choose BEST Quality?

BEST Electric Switch Lock products deliver professional-grade reliability with Grade 1 heavy-duty construction rated for 15 amps at multiple voltage levels and operating temperatures up to +176°F. The UL recognized switches and double D lock cylinder design provide dependable performance in demanding industrial and commercial applications. Engineered for critical electrical control applications where secure, reliable switching is essential.