WattStopper WS-301-I PIR Wall Switch Occupancy Sensor 120/277V with Light Level Control

WattStopper WS-301-I PIR Wall Switch Occupancy Sensor 120/277V with Light Level Control

Advanced PIR Detection with Desktop-Level Sensing Technology

The WattStopper WS-301-I PIR Wall Switch Occupancy Sensor delivers professional automatic lighting control with 120/277V compatibility and ivory finish. This advanced occupancy sensor features custom two-tier Fresnel lens technology for enhanced desktop-level detection, adjustable time delay and sensitivity controls, and integrated light level sensing for optimal energy management in commercial and residential applications.

Professional Features & Benefits

• 120/277V Dual Voltage: Compatible with standard and commercial voltage systems for versatile installation flexibility across residential and commercial applications.
• Custom Two-Tier Fresnel Lens: Enhanced detection capability specifically optimized for desktop-level sensing, ensuring reliable occupancy detection in office and workspace environments.
• Adjustable Time Delay and Sensitivity: Customizable settings allow precise tuning for specific room requirements and occupancy patterns, maximizing energy savings while maintaining user comfort.
• Patented Voltage Drop Protection: Advanced circuitry protects against voltage fluctuations, ensuring consistent performance and extended sensor reliability in varying electrical conditions.
• Light Level Sensor Technology: Intelligent ambient light detection holds lights off when natural lighting is sufficient, providing automatic daylight harvesting for maximum energy efficiency.
• Zero Crossing Circuitry: Reduces electrical stress on relay components by switching at optimal voltage points, significantly extending sensor lifespan and reducing maintenance requirements.
• PIR Motion Detection: Passive infrared technology provides reliable occupancy sensing without false triggers, ensuring accurate lighting control in professional environments.

Technical Specifications

• Country Of Origin: China
• Product Color: Ivory

Installation & Operation

1. Mount the unit in a suitable location with appropriate clearance and access for connections and service.
2. Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
3. Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
4. Configure any available load management or control features as supported by the provided specifications.
5. Test automatic transfer or operational functionality and verify proper performance before placing into service.
6. Complete final inspection and follow ongoing maintenance practices appropriate to the product category.

Professional Applications

• Office Buildings and Professional Workspaces
• Commercial Facilities and Retail Establishments
• Educational Institutions and Conference Rooms
• Healthcare Facilities and Patient Areas
• Residential Applications and Home Offices
• Multi-Unit Properties and Common Areas
• Light Industrial and Warehouse Spaces

Why Choose WattStopper Quality?

WattStopper delivers proven reliability in occupancy sensing technology with patented voltage drop protection and zero crossing circuitry for extended sensor life. The custom two-tier Fresnel lens design and adjustable sensitivity controls provide professional-grade performance, while the integrated light level sensor ensures optimal energy management for sustainable building operations.