Intermatic T174 Timer

The Intermatic T174 Mechanical Time Switch is a heavy-duty, 24-hour solution designed for demanding commercial and industrial energy management. Operating on a 208-277V AC input, this DPST (Double Pole Single Throw) 40-amp timer provides reliable control for high-amperage loads like HVACR equipment, industrial lighting, and water heaters. As part of the prestigious Intermatic T170 Series, "The Skipper" features a unique 7-day skip-a-day dial, allowing contractors to omit operations on specific days of the week when the load is not required, such as weekends or holidays, without reprogramming the daily schedule.

Built with a rugged NEMA 1 indoor steel enclosure, the T174 is engineered for longevity in professional environments. The unit supports up to 10 ON/OFF operations daily with a minimum 1-hour interval, and the 24-hour mechanical dial is complemented by a manual override switch for immediate circuit testing or maintenance. This 40-amp mechanical timer utilizes day-skipper screws and trippers that provide a failsafe, permanent schedule even during power outages, as the 60 Hz motor resumes timing once power is restored. For veteran technicians, the T174 remains the industry standard for high-voltage DPST timing due to its robust 2 HP at 120V and 5 HP at 240V power ratings.

• Advanced Load Control: Handles up to 40 amps per pole, making it compatible with heavy resistive and inductive loads across 208V, 240V, and 277V circuits.
• Day-Skipper Functionality: Includes skipper screws to easily disable the 24-hour schedule for specific days, optimizing energy efficiency in commercial facilities.
• Industrial Durability: Features a tead-free 2-pole switch mechanism and a secure indoor NEMA 1 enclosure with multiple knockouts for fast, clean wiring.
• Reliable Mechanical Operation: No complex programming or batteries required; the mechanical 24-hour dial is straightforward to set using ON/OFF trippers.

How do I omit certain days from the timer's schedule?
The T174 uses the integrated skipper wheel; simply insert the provided skipper screws into the wheel for the days you wish to cancel the automatic operation.

Is this timer compatible with 240V AC HVAC systems?
Yes, the T174 is rated for 208-277V AC input and can handle up to 5 HP at 240V, making it ideal for DPST high-voltage applications.

Can I manually turn the load on or off without moving the trippers?
Yes, there is a manual override lever located at the bottom of the mechanism that allows you to toggle the circuit state without affecting the preset 24-hour cycle.

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.