Brand: Intermatic | Manufacturer Part Number: T104 | Big Frog Supply SKU: T104
Product Overview
The Intermatic T104 is a complete 24-hour mechanical time switch with a 208–277 VAC DPST mechanism installed in a gray Type 1 metal enclosure for indoor use. It controls approved two-pole loads on a repeating daily schedule and is commonly used for lighting, motors, pumps, heaters, and other equipment within the timer’s electrical ratings. The mechanical dial provides dependable scheduling without batteries or digital programming, and the manual override allows temporary control without changing the programmed tripper positions.
Key Features
- Complete 208–277 VAC mechanical timer
- Double-pole, single-throw switching
- 24-hour repeating schedule
- Up to 12 ON and 12 OFF operations per day
- One ON and one OFF tripper included
- Manual override
- Gray indoor Type 1 metal enclosure
Common Uses
- Indoor lighting control
- Pump and motor scheduling
- Electric heater control within listed ratings
- Commercial and residential equipment scheduling
Technical Specifications
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Input voltage: 208–277 VAC, 60 Hz
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Switch type: DPST
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Circuits: Two
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Inductive rating: 40 A at 120–480 VAC
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Motor rating: 2 HP at 120 VAC; 5 HP at 240 VAC
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Electronic ballast/LED rating: 16 A at 120/277 VAC
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Minimum interval: 1 hour
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Trippers included: One ON and one OFF
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Enclosure: Gray indoor Type 1 metal
Dimensions
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Height: 7.875 inches
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Width: 5.125 inches
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Depth: 3.437 inches
Installation Notes
The Type 1 enclosure is intended for indoor locations and does not provide outdoor rain protection. Installation involves hazardous line voltage and should be performed by a qualified person with power disconnected. Confirm the supply voltage, conductor size, connected load, and switching arrangement before energizing the timer.
Frequently Asked Questions
Can the T104 be installed outdoors?
No. This version includes an indoor Type 1 metal enclosure.
What switching arrangement does it use?
The T104 uses a DPST mechanism for two-pole load control.
Are trippers included?
Yes. One ON and one OFF tripper are included.
Why Buy This Product from Big Frog Supply?
The T104 is the complete indoor metal-enclosure option for customers who need a 208–277-volt DPST T100 Series timer. Big Frog Supply clearly distinguishes it from the mechanism-only T104M and outdoor plastic or metal T104 models.
Input Voltage Range(s) 208-277 VAC, 60 Hz Maximum ON/OFF Operations 12
Number Of Circuits 1 Operation Mode 24 hour
Resistive 40 A, 120 VAC, 60 Hz, 40 A, 208 VAC, 60 Hz, 40 A, 240 VAC, 60 Hz, 40 A, 277 VAC, 60 Hz, 40 A, 347 VAC, 60 Hz, 40 A, 480 VAC, 60 Hz Switch Type DPST
Electronic Ballast 16 A, 120 VAC, 16 A, 208 VAC, 16 A, 240 VAC, 16 A, 277 VAC Enclosure Type Indoor type 1 metal
Minimum ON/OFF Times 1 hour Maximum Power Consumption (W) 3 W
Wiring Option Terminals Resistive Load Ratings Ranges 40 A, 120-480 VAC, 60 Hz
Warranty Period 1-Year limited Application Compatibilities HID, LED
Electronic Ballast Load Ratings Ranges 16 A, 120-277 VAC Has Manual Override Yes
Inductive 40 A, 120 VAC, 60 Hz, 40 A, 208 VAC, 60 Hz, 40 A, 240 VAC, 60 Hz, 40 A, 277 VAC, 60 Hz Inductive Load Ratings Ranges 40 A, 120-277 VAC, 60 Hz
Knockout Dimensions Back (1) combination 1/2" - 3/4" Knockout Dimensions Bottom (2) combination 1/2" - 3/4"
Motor (Three-Phase) 2 HP, 24 FLA @ 120 VAC, 60 Hz, 5 HP, 28 FLA @ 240 VAC, 60 Hz Number of Trippers Included 1 ON/1 OFF
Pilot Duty (NO) 1000 VA, 120 VAC, 60 Hz, 1000 VA, 208 VAC, 60 Hz, 1000 VA, 240 VAC, 60 Hz, 1000 VA, 277 VAC, 60 Hz Pilot Duty Load Ratings Ranges 1000 VA, 120-277 VAC, 60 Hz
Skipper Wheel Not Included Timing Interval 1 hr
Tungsten (NO) 40 A, 120 VAC, 60 Hz, 40 A, 208 VAC, 60 Hz, 40 A, 240 VAC, 60 Hz, 40 A, 277 VAC, 60 Hz Tungsten Range(s) 40 A, 120-277 VAC, 60 Hz
Wire Size Max #8 AWG Wire Size Min #14 AWG
Operating Temperature Max (°C) 54 Operating Temperature Max (°F) 130
Operating Temperature Min (°C) -40 Operating Temperature Min (°F) -40
Product Depth (in) 3 7/16 Product Depth (mm) 87.3
Product Height (in) 7 7/8 Product Height (mm) 200
Product Width (in) 5 1/8 Product Width (mm) 130.2
Unit Carton Height (in) 8.25 Unit Carton Length (in) 5.5
Unit Carton Weight (lb) 2.744 Unit Carton Width (in) 3.5
