Intermatic T104P3 24-Hour 208-277V Mechanical Time Switch | DPST | Type 3R Plastic Enclosure

Product Overview

The Intermatic T104P3 is a heavy-duty mechanical time switch engineered for industrial, commercial, and residential applications. It offers direct 24-hour control for most loads, supporting up to 40 amps resistive at 120–480 volts. Ideal for automating lighting, pumps, fans, and HVAC systems, this timer includes a rugged Type 3R plastic outdoor enclosure and features up to 12 ON/OFF operations daily.

Key Applications

• Booster Pumps
• Lighting Systems
• Hydro Chlorinators
• Fans and Air Conditioning Units
• Heat Pumps
• Signal and Music Systems

Product Features

• Highest motor load ratings in the industry
• Up to 12 ON/OFF operations per 24 hours
• Includes one ON and one OFF tripper
• Teeter-type terminals for multiple load connections
• Optional pool heater protection available

Specifications

• Voltage: 208–277 VAC, 60 Hz
• Switch Type: Double Pole, Single Throw (DPST)
• Enclosure: Type 3R Outdoor Plastic
• Power Consumption: Max 3W
• Motor Load Ratings: 2 HP @ 120 VAC, 5 HP @ 240 VAC
• Resistive Load Ratings: 40 A @ 120–480 VAC
• Inductive Load Ratings: 40 A @ 120–277 VAC
• Pilot Duty: 1000 VA @ 120–277 VAC
• Electronic Ballast Load: 16 A @ 120–277 VAC
• Heater Control Output: 10 A @ 250 VAC Max
• Knockouts: 1/2″ and 3/4″ (back and bottom)
• Wiring Options: Terminal connection
• Operating Temperature Range: -40°F to 130°F (-40°C to 54°C)
• Dimensions: 10″ H x 6.5″ W x 4″ D
• UL Certification: cULus, cCSAus
• RoHS Compliant: Yes
• Warranty: 1-Year Limited

Certifications

⚠ Proposition 65 Warning for California Residents

Documents & Downloads

• T104P3 Technical Data Sheet (PDF)