Intermatic FM1D20E-LV Timer

The Intermatic FM1D20E-LV is a heavy-duty 1-channel digital timer designed for precise 24-hour/7-day programming in commercial and industrial environments. This electronic time switch is a direct cross-reference for the FM1D20E-24, offering a versatile SPDT switch configuration to manage automated electrical loads efficiently. Built with a robust Noryl housing and featuring a clear dust cover, this unit is engineered for long-term reliability in demanding HVACR applications, including ventilation control, refrigeration merchandising, and generator exercising. The flush mount timer supports up to 20 setpoint programs and includes an integrated cycle timer for complex scheduling. A critical feature for field technicians is the self-recharging battery backup, which provides up to 2,500 hours of protection to ensure program retention during power outages. With a 1/2 HP motor load rating at 120/240 VAC and 15A general-purpose capacity, this controller is the standard for industrial load management.

Key Benefits for Contractors

• Flexible Mounting: Supports flush, surface, or DIN rail installations, allowing for easy integration into existing control panels or custom enclosures.
• Reliable Load Control: The isolated SPDT relay handles magnetic ballasts, tungsten loads, and motor circuits, making it compatible with various lighting and heating systems.
• Ease of Commissioning: Features a clear LCD and manual override with status indication for quick troubleshooting and field testing.
• Extreme Durability: Rated for operating temperatures between 5°F and 131°F and humidity up to 95% RH, ensuring performance in mechanical rooms.
• Regulatory Compliance: Meets cRUus, RoHS, and California Title 20 requirements for energy-efficient commercial building operations.

Common Questions

Is the Intermatic FM1D20E-LV compatible with 24V systems?
Yes, the "LV" designation indicates a low-voltage input capability, making it suitable for 24 VAC/VDC control circuits commonly found in HVAC automation.

How many setpoints can I program per day?
You can program up to 20 ON/OFF operations that can be distributed across a 24-hour period or repeated throughout a 7-day schedule.

What happens to the schedule during a power failure?
The internal self-recharging battery maintains your custom settings and time for up to 2,500 hours without external power.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.