Intermatic 7-Day Heavy-Duty Programmable Timer 120-277V 20A with Astronomical Clock

Intermatic 7-Day Heavy-Duty Programmable Timer 120-277V 20A with Astronomical Clock

Advanced scheduling control with no neutral wire requirement for easy installation

The Intermatic 7-Day Heavy-Duty Programmable Timer delivers professional-grade scheduling control for indoor and outdoor lighting, air movement, and ventilation applications. Operating on 120-277 VAC with 20A capacity, this versatile timer features no neutral wire connection for simplified retrofitting and faster installation across residential and commercial environments.

Professional Features & Benefits

• 20A Heavy-Duty Rating: Handles demanding loads including incandescent, fluorescent, CFL, and LED lighting systems with reliable switching performance.
• 120-277 VAC Wide Voltage Range: Compatible with both residential and commercial electrical systems for versatile installation flexibility.
• No Neutral Wire Required: Enables quick retrofitting in existing installations without rewiring, reducing installation time and complexity.
• 40 ON/OFF Events: Provides extensive programming capability with up to 40 scheduled events across a 7-day period for precise control.
• Astronomical Clock Function: Automatically determines dawn and dusk times for optimal lighting control based on geographic location and seasonal changes.
• Automatic DST Adjustment: Maintains accurate scheduling year-round with built-in Daylight Saving Time transitions.
• Random Mode Operation: Varies ON/OFF schedules to simulate occupancy and provide enhanced security through "lived-in" appearance.

Technical Specifications

• Applications: Air Movement & Ventilation;Indoor Lighting Control;Outdoor Lighting Control
• Country Of Origin: Thailand
• Depth: 1.813 in
• Input Voltage Rating Range S : 120-277 VAC, 50/60 Hz
• Marketing Description: Highly versatile Heavy-Duty Timers are ideal for any application that requires a simple or complex
• Product Color: Ivory
• Product Height: 4.125 in
• Product Length: NA NA
• Product Weight: NA lbs
• Product Width: 1.75 in
• Warranty Period: 5-Year limited

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

• Indoor Lighting Control Systems
• Outdoor Security and Landscape Lighting
• Air Movement and Ventilation Control
• Commercial Building Automation
• Residential Smart Home Integration
• Energy Management Systems
• Security and Occupancy Simulation

Why Choose Intermatic Quality?

Backed by a comprehensive 5-year limited warranty and featuring a replaceable CR2 lithium battery with up to three years of operation, this Intermatic timer delivers dependable performance for demanding scheduling applications. The isolated switch design ensures compatibility with any load type, including both AC and DC loads, while single or 3-way switch compatibility provides installation flexibility across diverse electrical configurations.