Description
The Intermatic ST01 is a heavy-duty, 7-day programmable in-wall timer switch designed to automate lighting, HVAC, fans, and other electrical loads with maximum flexibility and minimal maintenance. Combining robust load handling with advanced scheduling features, it’s ideal for residential, commercial, or light-industrial installations where dependable, automated on/off control is essential.
Key Features
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Up to 40 ON/OFF events per week — Offers highly flexible scheduling for daily or weekly light, fan, or equipment control.
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Astronomic (sunrise/sunset) mode + manual scheduling — Automatically adjust ON/OFF times based on seasonal sunrise and sunset, or specify fixed times — useful for exterior lights, security lighting, or landscape lights.
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Automatic Daylight Saving Time (DST) adjustment & Random mode — Keeps your schedule accurate year-round and helps simulate occupancy for security or energy management.
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Single-pole or 3-way compatible installation — Easily replaces standard light switches, making retrofit or new installations straightforward.
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Compatible with a wide range of load types — Works with incandescent, fluorescent, CFL, LED lighting, HVAC equipment, fans, and more — resistive, ballast, and motor loads supported.
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No neutral wire required for installation — Simplifies wiring and makes it easier to retrofit into existing single-switch wall boxes.
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Battery backup and non-volatile memory — CR2 lithium battery maintains time and settings during power outages; memory retains programming even if power is lost.
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Manual override — Temporarily bypass the timer schedule if you need manual ON/OFF control without reprogramming.
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Wide voltage range (120 VAC–277 VAC) — Suitable for diverse electrical systems across residential and commercial environments.
