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

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

Professional lighting and load control with advanced scheduling capabilities

The Intermatic 7-Day Heavy-Duty Programmable Timer delivers reliable automated control for lighting and ventilation applications with 120-277 VAC compatibility and 20A capacity. This professional-grade timer features versatile 7-day programming with up to 40 ON/OFF events, astronomic clock functionality for dawn/dusk scheduling, and compatibility with incandescent, fluorescent, CFL, and LED loads. The isolated switch design enables installation with any load type including AC and DC loads, while no neutral wire connection simplifies retrofitting and installation.

Professional Features & Benefits

• 120-277 VAC, 20A Rating: Wide voltage compatibility supports both residential and commercial applications with robust current handling capacity.
• 40 ON/OFF Events: Extensive programming flexibility allows complex scheduling for multiple daily operations and varied weekly patterns.
• Astronomic Clock Feature: Automatically determines dawn and dusk times for optimal lighting control without manual seasonal adjustments.
• Random Mode Operation: Varies ON/OFF schedule to provide lived-in appearance for security and energy management applications.
• No Neutral Wire Required: Simplifies installation and enables easy retrofitting in existing electrical systems without rewiring.
• Isolated Switch Design: Compatible with any load type including AC and DC loads for maximum application versatility.
• 5-Year Limited Warranty: Extended warranty coverage ensures long-term reliability and professional performance confidence.

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: White
• 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 Lighting Management
• Air Movement and Ventilation Control
• Commercial Building Automation
• Residential Security Lighting
• Energy Management Systems
• HVAC Equipment Scheduling

Why Choose Intermatic Quality?

Intermatic delivers proven reliability with this heavy-duty programmable timer backed by a 5-year limited warranty. The white finish and compact 4.125" x 1.75" x 1.813" dimensions provide professional appearance and flexible installation options. Automatic Daylight Saving Time adjustment and replaceable CR2 lithium battery with up to three years of operation ensure consistent performance with minimal maintenance requirements.