Intermatic
Intermatic T104PCD82 24hr DPST Contactor 40A 208-277V Gray
24-hour electromechanical timer with DPST contactor rated 40 A at 208–277 V AC, polycarbonate enclosure NEMA 3R, 12 on/off cycles daily
- 24-hour electromechanical timing automates daily equipment cycles
- Double-pole single-throw contactor switches two circuits simultaneously
- 40 A at 208–277 V AC handles heavy motor loads
- NEMA 3R polycarbonate enclosure resists rain and dust
- Surface-mount design with clear door simplifies installation and monitoring
Timer Purpose
The Intermatic T104PCD82 is a 24-hour electromechanical timer designed for controlling electrical loads on a daily schedule. It suits installers who need a straightforward DPST contactor for single-phase or two-wire circuits operating between 208 and 277 volts AC.
Thermals and Power
The unit operates reliably across a temperature range of -40 to 130 degrees Fahrenheit without active cooling. Its 40-amp rated contacts handle up to 5 horsepower at 240 volts, and the polycarbonate enclosure dissipates heat passively during normal switching cycles.
Build and Mounting
A gray polycarbonate housing with a clear plastic door provides a NEMA 3R rating for outdoor surface mounting. The enclosure measures 7 1/8 inches wide, 4 inches deep and 11 1/2 inches high, and includes two trippers for setting up to 12 on/off cycles per day.
Highlights
- 24-hour electromechanical timing automates daily equipment cycles
- Double-pole single-throw contactor switches two circuits simultaneously
- 40 A at 208–277 V AC handles heavy motor loads
- NEMA 3R polycarbonate enclosure resists rain and dust
- Surface-mount design with clear door simplifies installation and monitoring
Specifications
| Brand | INTERMATIC |
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Questions about this item
How do I surface-mount the T104PCD82 and what is the common wiring mistake?
Mount the polycarbonate enclosure on a flat surface using the integral tabs; the step often missed is confirming the coil is wired for 208-277 V AC before energising the 40 A DPST contacts.
Which part will need replacement first and what is its manufacturer number?
The tripper pins wear after repeated daily cycles; order extra trippers using manufacturer number 156T1978A when the original two no longer hold the 1-23 hour settings.
What thermal limit stops continuous operation in a hot equipment room?
The timer is rated to 130 °F ambient; sustained temperatures above that will cause the electromechanical mechanism to fail before the 40 A contact rating is reached.
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