Description
The Intermatic FM1D20E-LV is a dependable, single-channel electronic time switch designed to give you precise, programmable control over lighting, HVAC equipment, pumps, fans, and other electrical loads in both commercial and residential settings. Compact yet powerful, this flush-mount module offers robust scheduling features — ideal for applications that need automatic on/off control on daily or weekly cycles.
Key Features
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Flexible scheduling: Supports both 24-hour and 7-day programming with up to 20 separate set-point programs, giving you granular control over when devices run.
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Single-channel control (SPDT): Controls one circuit — enough for lighting, fans, pumps, or HVAC systems — with a single-pole, double-throw relay contact.
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Flush-mount, hard-wired design: Neat flush-mount installation ideal for panel interiors, control boxes, or recessed wall mounts.
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Manual override: Includes manual ON/OFF override function with status indication — handy for maintenance, testing, or temporary manual control.
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Backup memory: Built-in battery backup ensures your programmed settings are retained even during power outages.
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Durable & versatile: Designed for lighting, ventilation, HVAC, pumps, fans, machinery — suitable for commercial facilities, offices, warehouses, and home automation.






