Intermatic T101R 24-Hour Timer Switch, 120V SPST, 40A, Indoor/Outdoor Enclosure

Automate Lights, Pumps, Fans, and HVAC with Confidence

The Intermatic T101R is a rugged, 24-hour mechanical timer switch designed for versatile use in homes, businesses, and light industrial settings. It handles substantial loads at 120 V and up to 40 amps, making it suitable for a wide range of equipment that benefits from scheduled operation. A simple dial and a sturdy metal enclosure deliver reliable performance in diverse environments, from utility rooms to outdoor spaces.

With true clock‑based control, you can plan a full day of activity with precision. The unit supports 1 to 12 On/Off operations per day, with a minimum On or Off time of 1 hour. This gives you flexible scheduling for routine tasks—without needing any smart home hub or app. A built-in manual override allows for immediate operation if you need direct, on‑the‑spot control, which is especially handy during maintenance or testing.

Core capabilities

• Single Pole, Single Throw (SPST) configuration for straightforward, reliable control of 40 A at 120 V.
• 1 to 12 On/Off cycles per day with minimum 1‑hour intervals to suit most daily routines.
• Includes one On tripper and one Off tripper for easy scheduling setup.
• Manual override for immediate power to connected loads when needed.
• Capable of powering resistive, inductive, tungsten, and motor loads up to 2 HP.
• Type 3R metal enclosure for indoor or outdoor installation in a variety of conditions.

Real‑world uses

• Residential: outdoor lighting, garden pumps, attic fans, and other timed equipment.
• Commercial/Industrial: signage lighting, ventilation fans, and HVAC system components requiring scheduled control.
• Energy management: reduce idle operation by restricting active periods to when they’re needed.

Designed for durability, the T101R combines heavy‑duty electrical performance with simple setup and dependable operation. It is a practical choice when you need precise day-long scheduling without relying on digital networks or batteries. The 3R enclosure helps protect the timer in outdoor and exposed spaces, while the manual override provides an extra layer of control during routine checks or seasonal adjustments.

What you get

• Robust 24‑hour timer switch designed for 120 V and up to 40 A.
• One On and one Off tripper included for straightforward daily programming.
• Indoor/outdoor compatibility with Type 3R enclosure for versatile installation.