BEST 1W7P4 Electric Switch Lock with Dual SPDT Switches and Momentary ActionProfessional Electric Switch Lock with Dual Control CapabilityThe BEST 1W7P4 Electric Switch Lock delivers professional-grade electrical control with dual 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, operating at temperatures up to +176F (+80C) with contact ratings from 30 VDC at 15 amps to 250 VAC at 15 amps resistive. The interchangeable core design integrates seamlessly into any BEST keyed system for comprehensive access control.Professional Features & BenefitsDual Switch Configuration: Two SPDT switches provide independent control circuits for complex electrical applications requiring multiple switching functions.High-Temperature Operation: Rated for operation up to +176F (+80C) for demanding industrial and commercial environments.Versatile Contact Ratings: Multiple voltage and amperage options from 30 VDC/15 amps to 250 VAC/15 amps resistive, plus 125 VAC/5 amps lamp rating for diverse applications.Momentary Switch Action: Spring-return operation ensures switches return to default position when key is released, ideal for control panel applications.Double D Lock Cylinder: Prevents slipping and turning for secure, reliable key operation in high-use environments.BEST Interchangeable Core Compatibility: Integrates into existing BEST keyed systems for master key convenience and security management.UL Recognition: All switches are UL recognized or listed for code compliance and professional installation confidence.Grade 1 Heavy-Duty Construction: Commercial-grade durability engineered for demanding applications and frequent operation.Technical SpecificationsCommercial/Residential: CommercialDepartment: Door HardwareDuty Level: Heavy DutyElectronic: YesGrade: Grade 1Keyed: YesProduct Category: Mechanical LocksProduct Group: Mechanical LocksProduct Subgroup: Bored LocksetsProduct Type: Electric Switch LockSeries: 1W SeriesSubcategory: Bored LocksetsInstallation & OperationVerify electrical requirements match available power supply. Confirm voltage and current capacity per contact rating specifications before proceeding.Disconnect power supply before beginning installation. Follow all applicable electrical codes and safety procedures.Mount the unit in the specified location ensuring adequate clearance for wiring access, ventilation, and future service requirements.Route and connect wiring according to manufacturer wiring diagrams. Use appropriate wire gauge and connectors for the application.Configure operational settings including momentary switch action per application requirements.Restore power and test all functions including normal operation, dual switch operation, and integration with connected systems.Complete final inspection and document settings. Refer to manufacturer documentation for complete wiring diagrams, programming instructions, and troubleshooting.Professional ApplicationsIndustrial Control Panel IntegrationCommercial Building Automation SystemsManufacturing Equipment ControlsSecurity System IntegrationElectrical Panel and Machine ControlsProcess Control ApplicationsEmergency System ControlsWhy Choose BEST Quality?BEST 1W7P4 Electric Switch Locks deliver professional-grade reliability with Grade 1 heavy-duty construction rated for operation up to +176F (+80C). The interchangeable core system provides master key flexibility while UL recognition ensures code compliance. Engineered for demanding commercial and industrial applications where dependable electrical control and security integration are essential.