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TN311 Heavy-Duty 24-Hour Indoor Mechanical Plug-in Timer - Efficient Control for 2 Devices, Customizable Scheduling - Timer for Lighting, Fans & Small Appliances

4.5 4.5 out of 5 stars 3,367 ratings

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Purchase options and add-ons

Color Color
Brand Intermatic
Item Weight 0.4 Pounds
Number of settings 3

About this item

  • Manufacturer: Intermatic
  • Country of Manufacturer: Mexico
  • Easy to Use: This indoor home-use timer switch plugs directly into the wall and features an easy-to-use manual override (on/off toggle) for added convenience
  • Energy Efficient: This heavy-duty, grounded plug-in timer uses no electricity to operate and is an energy-saving solution for controlling indoor lighting, fans, heaters, and more
See more product details

Customer ratings by feature

Easy to use
4.5 4.5
Accuracy
4.4 4.4
Easy to read
4.4 4.4
Comfort
4.2 4.2

Frequently bought together

$16.99
Get it as soon as Tuesday, Apr 2
In Stock
Sold by JD's Electrical Supplies and ships from Amazon Fulfillment.
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$5.80
Get it as soon as Tuesday, Apr 2
In Stock
Sold by Stuff 2 Buy LLC and ships from Amazon Fulfillment.
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From the manufacturer

timer, time switch, Intermatic, intermatic timer, plug-in timer, plug in timer, lighting timer
timer, plug in timer, intermatic, intermatic timer, lighting timer, indoor timer, time switch

TN311

CSA, us, certified
Specifications
  • 125 VAC, 60 Hz
  • 1/3 HP Motor
  • cCSAus Certified

Simple Control for Everyday Needs

TN311 Heavy-Duty 24-Hour Indoor Mechanical Plug-In Timer

The TN311 Series provides a quick and easy way to automate On/Off schedules and plugs directly into standard wall outlets.

  • 3 On/3 Off settings per day with removable trippers, more On/Off events with addition of extra trippers
  • Minimum 30-min On/Off time
  • Grounded receptacle and 3-prong plug
  • Plugs directly into wall outlet
  • Perfect for use with lamps, appliances and window air conditioning

Product information

Technical Details

Additional Information

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Product Warranty: For warranty information about this product, please click here

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TN311

TN311 Heavy-Duty 24-Hour Indoor Mechanical Plug-in Timer - Efficient Control for 2 Devices, Customizable Scheduling - Timer for Lighting, Fans & Small Appliances


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Product Description

Product Description

Plug In Timer, Mechanical, Min. Time Setting 30 min, Max. Time Setting 30 min, 23 hr, Max. On/Off Cycles 3, Voltage 120V AC, Watts 1,750 W, Amps 15 A, HP @ 120V 1 hp, Type of Switch Mechanical, Indoor, Receptacles 1, Receptacle Type 5-15R, Color White, Length 3 13/64 in, Width 3 13/64 in, Depth 3 13/64 in, Style Plug In, Features Manual Override, Standards CSA, UL

From the Manufacturer

This energy saving heavy-duty grounded timer plugs directly into the wall and controls 120-Volt air conditioners, heaters and any other heavy-electrical load up to 3 ON/3 OFF settings per day. Rated for loads up to 15 Amps resistive and 1875 Watts tungsten.

Product guides and documents

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TN311 Heavy-Duty 24-Hour Indoor Mechanical Plug-in Timer - Efficient Control for 2 Devices, Customizable Scheduling - Timer for Lighting, Fans & Small Appliances
Intermatic TN311 Heavy-Duty 24-Hour Indoor Mechanical Plug-in Timer - Efficient Control for 2 Devices, Customizable Scheduling - Timer for Lighting, Fans & Small Appliances
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Price-15% $16.99
List:$19.99
$9.59-11% $15.99
List:$17.99
-22% $6.99
List:$8.99
$13.99-10% $52.04
List:$57.99
Delivery
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Customer Ratings
Easy to use
4.5
4.1
4.0
4.0
4.2
4.4
Accuracy
4.4
4.5
4.4
4.0
4.5
4.6
Timer function
4.1
4.3
4.3
4.0
4.5
Value for money
3.7
4.3
4.2
4.2
Sold By
JD's Electrical Supplies
G-Homa
TechBee
Amazon.com
Official HBN
JD's Electrical Supplies
material
Plastic
Plastic
Plastic
number of settings
3
3
3
8
input interface
buttons
dial
buttons
buttons
buttons
buttons
weight
0.4 pounds
0.53 ounces
4.6 ounces
0.2 pounds
0.4 pounds

Important information

Wattage

1875 watts

Customer reviews

4.5 out of 5 stars
4.5 out of 5
3,367 global ratings

Customers say

Customers like the value of the timer, saying it's well worth the price. They also like the quality, and ease of use. However, some customers report issues with the noise the time clock makes. They say it makes a dull rotating noise or a popping sound. Opinions are mixed on accuracy, on/off settings, and the time.

AI-generated from the text of customer reviews

1,182 customers mention931 positive251 negative

Customers like the quality of the timer. They say it works daily, is reliable, and has no issues. Some say that it's a heavy-duty timer that works flawlessly. Overall, most are satisfied with the quality and functionality of the product.

"Works fine" Read more

"...These timers will work with inductive, resistive, magnetic fluorescent, and electronic fluorescent, including twistie bulbs...." Read more

"Installed easily, accurate and useful." Read more

"...This is simple, yet useful. The timer on the dial is not accurate to the "T" but it's close enough and good enough...." Read more

460 customers mention413 positive47 negative

Customers find the timer easy to use. They mention it's simple to set, read, and set up. Customers also appreciate the clear instructions and the fact that there are no electronics to figure out or break down.

"...It's got a 15 amp 3 prong outlet. Motor turns the wheel. Simple. Reliable. I like it...." Read more

"Installed easily, accurate and useful." Read more

"It's very easy to setup and use. However, the price is a little high." Read more

"...This is simple, yet useful. The timer on the dial is not accurate to the "T" but it's close enough and good enough...." Read more

248 customers mention229 positive19 negative

Customers appreciate the value of the timer. They say it is well worth the price, and an equal investment. Some say it's a great product and easy to use.

"...Still, this is a very nice durable timer and well worth the price. I give it 5 stars because of it's durability!!!" Read more

"...It is completely intuitive, easy to set up, easy to operate, and it is inexpensive...." Read more

"...Overall, great moneysaver and great buy!" Read more

"...Price point is great too.Edit: Removed a star, was reading some of the reviews about losing time throughout the month...." Read more

539 customers mention356 positive183 negative

Customers are mixed about the timer. Some mention that it keeps perfect time, is excellent, and comes on like clockwork. However, others say that it's not terribly precise, hard to set to an exact time, and starts losing time at a rate of about 1% per month.

"Nothing here to dislike. They work great, easy to set the time and push in the pins for on and off. Love anything mechanical!" Read more

"...my favorite timers because you can turn the lights on and the timer is still activated. The new smaller timers don't work this way...." Read more

"...This is simple, yet useful. The timer on the dial is not accurate to the "T" but it's close enough and good enough...." Read more

"This is the best device timer - bar none! Been using Intermatic timers (I now own four) for about twelve (12) years...." Read more

138 customers mention84 positive54 negative

Customers are mixed about the on/off settings of the timer. Some mention that it has a true toggle override mode, and a manual overriding switch to turn it off/on before you leave. However, others say that it wouldn't turn the light off or that it stopped turning on the lamp.

"Great for turning on/off my light at night" Read more

"Only fault is that it is not backlit like my other ones? Not sure why? It’s quiet and I like how it also has an on/off switch unlike others." Read more

"These are my favorite timers because you can turn the lights on and the timer is still activated. The new smaller timers don't work this way...." Read more

"...It comes with three sets of timer switches, allowing 3 cycles a day. A switch on top of the unit can override the timer to turn lamps, etc...." Read more

65 customers mention27 positive38 negative

Customers are mixed about the accuracy of the timer. Some mention it's very accurate when it comes to the timing, while others say it'll keep the time consistently. However, some say the unit isn't accurate, it'd be difficult to be pinpoint accurate, and the indicators are imprecise.

"I AM HAVING SOME TROUBLE GETTING THE SETTINGS CORRECT. IT IS MOST LIKELY MY FAULT. WILL KEEP ADJUSTING UNTIL I GET IT THE WAY I WANT." Read more

"Installed easily, accurate and useful." Read more

"...I agree it is not super precise but you can get it within 10 minutes or so, that's close enough...You can manually turn it on or off easily...." Read more

"...The Intermatic are easy to use, precise and reliable...." Read more

210 customers mention58 positive152 negative

Customers are dissatisfied with the noise produced by the timer. They mention that it does make noise, but over time it will not be heard. The clock mechanism noise travels through the wall outlet it is plugged into, and through the stud the wall. It makes a dull rotating noise right out of the box, and a popping or sparking kind of sound. Some customers also mention that the time humming a bit and starts making a clicking noise shortly after being put into service.

"...goes out and the timer itself makes a "popping" or sparking kind of sound...." Read more

"This timer starts making a clicking noise soon after being put into service. I will look for another supplier when this one fails." Read more

"...Not sure why? It’s quiet and I like how it also has an on/off switch unlike others." Read more

"I bought this item 7 years ago. And it works daily ! It started to make a noise so I thought I would replace it. Just to be safe...." Read more

IT WORKS!
5 Stars
IT WORKS!
Our Intermatic pool timer/freeze protector stopped working. After diagnosing the issue it was apparent the gears had worn out in the device within the unit. This Intermatic device (TN311) is the exact same device in this pool unit. After some research and YouTube viewing, I realized I could save over $30 by just buying this device, open it up, remove the timing unit and install in the other unit. There is no hard wiring whatsoever, the wires merely wrap around the two posts. If you do this, just make sure you place the correct wire on the corresponding post. Also, make sure to turn off all power (at the breaker) prior to this fix. The part (Intermatic WG2030) is nearly $50 by itself on several sites. The plastic box this timing unit is housed in is simple to open and the timer pins (on/off) work perfectly on the corresponding unit (both are manufactured by Intermatic). I'm by no means a handyman, more like the the father from the movie 'The Croods', if I can do this this...anyone can. Hope this helps someone save some money during these hard times...
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Reviewed in the United States on March 28, 2015
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Top reviews from other countries

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John D.
5.0 out of 5 stars Value
Reviewed in Canada on December 29, 2022
One person found this helpful
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Greg Vincent
5.0 out of 5 stars Great little mechanical timer that works
Reviewed in Canada on August 22, 2019
One person found this helpful
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Adrian V.
5.0 out of 5 stars Muy bueno
Reviewed in Mexico on July 13, 2019
Dave L
4.0 out of 5 stars Great timer at a good price
Reviewed in Canada on May 16, 2023
Cliente de Amazon
5.0 out of 5 stars Es fácil de instalar, trabaja muy bién, cumpló' con mis espectativas.
Reviewed in Mexico on January 24, 2017