The Intermatic EP100C is a professional-grade 24-hour electronic timer designed to provide precise load control for both indoor and outdoor applications. This single-circuit electronic control features to-the-minute accuracy, making it a reliable upgrade over traditional mechanical time switches for contractors managing lighting, HVACR, or pumping systems. Operating on a versatile voltage range of 120-277 VAC at 60 Hz, the unit includes a selector switch for easy field adjustment. The SPST contact form is rated for 30 Amps, accommodating demanding inductive and resistive loads. Encased in a rugged NEMA 3R plastic enclosure, the heavy-duty 24hr timer is built to withstand harsh environments while offering up to 28 programmable events. To ensure continuous operation during power interruptions, the unit utilizes a battery backup for timekeeping and program retention. Integrated automatic daylight saving time adjustments eliminate the need for manual seasonal resets, streamlining maintenance schedules for commercial and residential facilities. Key Benefits Multi-Voltage Compatibility: On-board selector switch allows for seamless integration into 120V, 208V, 240V, or 277V electrical systems. Precision Scheduling: Supports up to 28 total events (14 ON / 14 OFF) with a minimum 1-minute interval for maximum energy efficiency. Durable Construction: The NEMA 3R enclosure provides superior protection against rain, sleet, and snow for reliable outdoor installations. Advanced Overrides: Features both temporary and permanent manual overrides to simplify testing and localized control without losing programmed settings. Power Loss Protection: Field-serviceable battery maintains the internal clock and schedule, preventing system downtime after outages. Common Questions How do I handle the Daylight Saving Time (DST) transition?The Intermatic EP100C features an out-of-the-box automatic DST function that shifts the time forward or backward according to the standard North American calendar, reducing manual intervention. What wire size is recommended for terminal connections?For optimal performance and to prevent arcing, use #10 to #18 AWG copper conductors rated for at least 75°C. Ensure all terminals are torqued tightly to avoid heat buildup. Can this timer control pool pumps or high-horsepower motors?Yes, this 30A programmable timer is rated for up to 1 HP at 120V and 2 HP at 240V, making it suitable for electric pumps, motor controls, and heavy lighting loads. This item is not eligible for free shipping. 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.
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