Intermatic
Intermatic T174R 24-hour electromechanical timer 208-277V 40A
24-hour electromechanical timer switches 40 A loads at 208-277 V AC with up to 10 daily on/off cycles in a NEMA 3R steel enclosure
- 24-hour scheduling with up to 10 on/off cycles daily
- 40 A DPST contacts switch loads up to 5 hp at 240 V AC
- NEMA 3R steel enclosure rated for outdoor use from -40 to 158 °F
- Day-skipper function lets you omit selected days without rewiring
- Includes 2 trippers; extra trippers available as part 11Z965
Intermatic T174R 24-hour timer 208-277V
The Intermatic T174R is a 24-hour electromechanical timer designed for 208 to 277 V AC circuits. It provides double-pole single-throw switching rated at 40 A and 5 hp at 240 V. A NEMA 3R steel enclosure with gray enamel finish protects the mechanism in outdoor or damp locations.
For fixed daily schedules on 208-277V loads
This timer suits installations that require the same on-off cycle every day, such as lighting, pumps or sign circuits on 208 to 277 V supplies. It is not for circuits operating at other voltages, for loads exceeding 40 A, or for applications needing multiple daily programmes, skip-day operation or battery-backed timekeeping during power loss.
24-hour dial with 10 on-off cycles maximum
The dial accepts up to ten tripper pairs, giving a maximum of ten on-off operations per day. Minimum on-time is 1 hour and maximum on-time is 20 hours. Two trippers are supplied; extra trippers use part number 11Z965.
Highlights
- 24-hour scheduling with up to 10 on/off cycles daily
- 40 A DPST contacts switch loads up to 5 hp at 240 V AC
- NEMA 3R steel enclosure rated for outdoor use from -40 to 158 °F
- Day-skipper function lets you omit selected days without rewiring
- Includes 2 trippers; extra trippers available as part 11Z965
Specifications
| Brand | INTERMATIC |
|---|
Questions about this item
Should I pick the 24-hour or 7-day version?
This model is the 24-hour version; it uses two trippers for one on/off cycle per day.
What does the 40 A rating mean when the timer is installed?
The contacts are rated for 40 A at 208–277 V AC and can switch up to 5 hp at 240 V.
What wiring standard does the DPST contact form follow?
The DPST contacts open both poles simultaneously, providing a true double-pole disconnect for 208–277 V circuits.
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