Model # T101RD89

Internet #100024879

Store SKU #402265

Intermatic T100 Series 40 Amp 125-Volt 24 Hour SPST Mechanical Time Switch with Outdoor Enclosure
0078275000056

Intermatic

T100 Series 40 Amp 125-Volt 24 Hour SPST Mechanical Time Switch with Outdoor Enclosure

  • 1 to 12 On/Off operations per day, minimum On/Off time - 1 hour
  • General purpose use-lighting, pool heaters, a/c, fans, pumps, etc
  • 2 HP Rating
$66.83 /each

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Product Overview

Intermatic is dedicated to providing energy conscious solutions and this time switch is designed for industrial, commercial and residential applications. It has the highest motor load rating in the industry. The original 'yellow dial' timer is just one product Intermatic offers for all your energy control needs.

  • Provides up to 12 on/off operations per day with minimum on/off times of 1 hour
  • 40 Amps per pole
  • General purpose use - Lighting, pool heaters, air conditioning, fans, pumps and more
  • Sturdy NEMA 3R drawn steel case for outdoor use protects time switch from rain, sleet, snow and ice
  • Manual override
  • 2 HP Rating
  • CSA certified in US and Canada

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Customer Questions & Answers

6 Questions16 Answers

Customer Questions & Answers

T100 Series 40 Amp 125-Volt 24 Hour SPST Mechanical Time Switch with Outdoor Enclosure
T100 Series 40 Amp 125-Volt 24 Hour SPST Mechanical Time Switch with Outdoor Enclosure

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4 answers

Can this timer turn on 2 separate 120v circuits at the same time?

This question is from T100 Series 40 Amp 125-Volt 24 Hour SPST Mechanical Time Switch with Outdoor Enclosure
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February 17, 2016
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Asked by
Dallas, TX
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September 21, 2016
Answer: 
It's got additional terminals to run to other loads, but best to ask Intermatic to make sure you don't overload the timer circuits.
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Asked by
Menifee, Ca
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August 10, 2016
Answer: 
No it will not you will have to get the double throw model, and it should say DPDT.
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February 19, 2016
Answer: 
No, this cannot be used with 2 separate circuits.
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February 19, 2016
Answer: 
The T101 models are single pole (one circuit) and the T103 models are two poles (two circuits). You would need a T103 model in order to switch two separate 120 circuits.
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4 answers

Will 125 volt timer work if house is wired at 120 volt

This question is from T100 Series 40 Amp 125-Volt 24 Hour SPST Mechanical Time Switch with Outdoor Enclosure
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FLorida
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September 28, 2015
40 Amp 125 Volt SPST Electromechanical Time Switch with Steel Enclosure for Outdoor Use. Installing a pool timer for 1 1/2 HP pool pump
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Asked by
Dallas, TX
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September 21, 2016
Answer: 
Yes
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Asked by
Crystal River, FL
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August 31, 2016
Answer: 
Yes, 120 volt is nominal, it can range from 115 - 125 volts
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Asked by
Menifee, Ca
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August 10, 2016
Answer: 
Yes it will, a 5 volt difference will not make a difference
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September 29, 2015
Answer: 
Yes, 125V is a "nominal" voltage, the timer will work at any voltage between approx 100 to 140V.
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3 answers

What would make motor burn out

This question is from T100 Series 40 Amp 125-Volt 24 Hour SPST Mechanical Time Switch with Outdoor Enclosure
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February 20, 2016
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Asked by
Dallas, TX
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September 21, 2016
Answer: 
Short circuit from power surge, or water infiltration, which did not trip the circuit breaker. Or, possibly some mechanical failure that prevented the dial from rotating, or incorrect wiring in the motor, or connection. Yes, it could have been a mfr defect in the timer.
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Asked by
Crystal River, FL
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August 31, 2016
Answer: 
Most of the time due to connecting to the wrong voltage for the motor.
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February 22, 2016
Answer: 
If the timer is connected to the wrong voltage (120V timer connected to 240V), the motor will burn out. If moisture gets inside the motor assembly, it can corrode the wires in the motor. If the dial is forcibly turned to set the time (without pulling it outward first), this will break gears in the motor assembly and have the appearance of a bad motor (clock dial doesn't move on its own).
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2 answers

I have a T104r, is this compatible?

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May 24, 2016
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Asked by
Crystal River, FL
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August 31, 2016
Answer: 
No. The T104 is a 208 - 277 volt timer, while the T101 is a 125 volt timer. The internal motor will not work correctly to maintain the proper operation.
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May 26, 2016
Answer: 
The T104R is for 240 Volt operation, this timer is 125V. You need the Intermatic Model # T104RD89 (Internet # 203569316, Store SKU # 807478).
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Customer Reviews

Rated 4.8 out of 5 by 22 reviewers.
Rated 5.0 out of 5.0 by Easy installation and it works vwey well October 25, 2016
Rated 5.0 out of 5.0 by T100 SERIES 40 AMP 125-VOLT 24 HOUR SPST MECHANICAL TIME SWITCH WITH OUTDOOR ENCLOSURE what can you say other than it works and looks good. On the other hand at the same purchase time I needed a 125 volt timer that controls two separate circuits and Home Depot dosn't stock it. some times you have to split the circuit on another breaker if you have exceeded the wattage.I could have bought two of these but instead ended up at Grainger and used this timer on a pool light.It seems to be the norm,every time I need something they dont have or their out of. we also need 10's and 12's in the rough sawn cedar ,its the only economical wood you can use for outside finish. P T is too rough ,bent,,knotty, not treated enough these days and and poplar is too expensive for people on a buget. With cedar you can use the rough side or smooth side and it looks great on a budget.Pine will not last very long no matter what. And why are you stocking that plastic spline junk for screens the stretch spline is adjustable for spline grooves on old and new frames. September 17, 2016
Rated 4.0 out of 5.0 by WORKS AS DESCRIBED, GREAT PRICE! The Timer is as described. It was easy to use for a DIY'r (electrician recommended)! The only thing I would like to see is a better manual on/off option with out messing with the pins. September 13, 2016
Rated 4.0 out of 5.0 by Good Product... But... Terrible Instructions Good timer similar to pool timers, which are mechanical - which are much more reliable than the digital, electronic timers used to control lights, which are at risk for failure due to shorts from power surges, and from water infiltration. If this timer experiences a short, it merely trips the circuit breaker, which can be reset and your back in business, unless the short was so bad that it burnt some wires in the timer. However, the installation instructions are not simple and clear enough for most layman homeowners to easily understand the wiring connections (unless you've got some electrical wiring experience) - they could have been made much clearer for those of us, who have very little wiring experience (who probably should hire an electrician to install it anyway). But... if you don't want to wait on the electrician to show... Here's a YouTube video that explains it all very clearly - if you want to DIY it anyway. https://www.youtube.com/watch?v=E3JKZd5NGbk Just make sure the wire from your breaker box, which carries the electricity (typically black) is connected to terminal "1", the wire that continues to carry the electricity to your light fixture (typically black) is connected to terminal "2", and that the wires that do not carry the electricity from your breaker and to your light fixture (neutral wires, which complete the circuit, typically white or red) are both connected to terminal "A". And you'll be fine. The wiring diagram from the mfr - shows the same thing, once you understand it, but... if you don't... "a video is worth a 1000 words / diagrams." Come on Intermatic... get with the program... it's 2016... YouTube is where its at!!! September 21, 2016
Rated 5.0 out of 5.0 by Easy installation The T100 series time switch are the easiest and most reliable time clocks to install and maintain. I use them in all kinds of applications August 31, 2016
Rated 5.0 out of 5.0 by Timer This timer works as it should, easy to install. If I need another timer, would buy again. August 10, 2016
Rated 5.0 out of 5.0 by timer Works perferctly, just used the insides for replacement...alot easier than replacing the whole thing, 1st one lasted 10 years. June 28, 2016
Rated 5.0 out of 5.0 by good purchase Doing a major remodel of my business I need a time clock to operate my outside lights and sign. This timer more than takes care of our needs. good product July 19, 2016
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