Intermatic DT101 – 20-Amp 24-Hour SPST Digital Time Switch | Precise, DST-Ready Scheduling

Upgrade to precise, maintenance-free timing

The Intermatic DT101 digital time switch replaces a basic mechanical timer with an electronic, battery-backed control that stays reliable even after a power blip. Designed for a single circuit up to 20 amps, it delivers on-the-minute accuracy and consistent daily routines, making it a solid choice for homes and light commercial setups alike.

Core advantages at a glance

• Up to 28 scheduled events to tailor daily activity for lighting, fans, or outlets.
• To-the-minute accuracy for fine-tuned control that aligns with your daily rhythm.
• Battery backup helps preserve programs during power interruptions and resumes smoothly after restoration.
• Automatic daylight saving time adjustments free you from manual changes.
• Input voltage selector covers 120–277 VAC at 50/60 Hz for versatile installations.

Flexibility, control, and smart options

• Temporary or permanent manual overrides let you adjust the load without altering the schedule.
• Astronomic models enable dusk-to-dawn scheduling for outdoor lighting and related uses.
• The standard 24-hour version repeats the same daily schedule for simple, repeatable routines.

In real-world use, you might set the DT101 to illuminate outdoor paths at dusk, manage fans during peak hours, or automate seasonal decorations. It’s built for dependable operation in residential and light-commercial environments, offering predictable performance while leaving room to tweak settings as needed.

Setup and everyday use

• Use the voltage selector to match 120–277 VAC, ensuring compatibility across different sites.
• Program events with minute-level precision to reduce manual adjustments and save energy.
• Rugged yet compact, it fits standard enclosures and works with common electrical loads.