0078275127562

Intermatic

Model # ST01

Internet # 203954917

15-Amp Heavy Duty Astro In-Wall Digital Timer

$31.92 /each
  • No neutral wire required
  • Random setting uses slightly different times each day
  • Auto daylight saving time adjustment

FREQUENTLY BOUGHT TOGETHER

PRODUCT OVERVIEW

Model # ST01

Internet # 203954917

The heavy duty in-wall digital timer by Intermatic is an easy-to-program, 4-button programmable timer that allows up to 40 event settings per week. The timer has an Astronomic feature for sunrise and sunset switching. And you can use it with all kinds of lighting - incandescent, fluorescent, CFL and LED.

  • No neutral required
  • Random setting turns lights on and off at slightly different times each day
  • Auto daylight saving time adjustment
  • Compatible with incandescent, fluorescent, CFL and LED lights
  • Auto adjusts to all Voltages/frequencies
  • Manual override
  • CR2 lithium battery provides backup 2+ years
  • Single pole or 3-way compatible

Info & Guides

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SPECIFICATIONS

Dimensions
Product Depth (in.) 
1.4 
Product Height (in.) 
2.75 
Product Width (in.) 
1.75 
Details
Amperage (amps) 
15 
Color Family 
White 
Color/Finish 
White 
Electrical Features 
Programmable 
Electrical Product Type 
Timer 
Indoor/Outdoor 
Indoor 
Returnable 
90-Day 
Style 
Digital 
Timer Type 
In-Wall 
Voltage (volts) 
120 
Wall Plate Included 
No 
Wattage (watts) 
1800 
Warranty / Certifications
Certifications and Listings 
CSA Certified 
Manufacturer Warranty 
1 year 

MORE PRODUCTS WITH THESE FEATURES

Timer Type: In-Wall
Indoor/Outdoor: Indoor
Color Family: White
Electrical Features: Programmable
Brand: Intermatic
Price: $30 - $40
Review Rating: 4 & Up
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21 Questions44 Answers

Customer Questions & Answers

15-Amp Heavy Duty Astro In-Wall Digital Timer
15-Amp Heavy Duty Astro In-Wall Digital Timer

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8 answers

In the event of a power outage will the timer return to the same it was in before the outage

This question is from 15-Amp Heavy Duty Astro In-Wall Digital Timer
Asked by
BARBADOS
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September 23, 2014
If it was on it will return to on
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Answers (8)

Asked by
Greenville, KY
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February 25, 2016
Answer: 
Yes. The timing electronics are controlled by the battery you install that comes with the unit. You can install the battery and do your settings before you place it in the wall and make your wiring connections. Since the unit runs off the battery, there is no disruption in the event of a power outage as far as settings.
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Asked by
Las Vegas, NV
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Home Improvement Profile: DIYer
October 13, 2015
Answer: 
The battery powers the display and timer. So a power interruption should not affect it. Because there is no back light the battery should last several years.
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Asked by
arlington hts, IL
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September 6, 2015
Answer: 
Yes,if the battery is good, all time and date settings and the on off mecahnical relay functions witch are also powered by the battery will continue to function . All program settings are kept in ROM. read only memory, and will not be lost if the power is out or battery is dead. So, the switch will continue to keep time and turn the relay on and off even with your electricity out. Of course fhen your Read More
Yes,if the battery is good, all time and date settings and the on off mecahnical relay functions witch are also powered by the battery will continue to function . All program settings are kept in ROM. read only memory, and will not be lost if the power is out or battery is dead. So, the switch will continue to keep time and turn the relay on and off even with your electricity out. Of course fhen your lights will still not work. To maintain the time and date settings the battery must be replaced when the low battery indicator is on and you have about a minute to replace the battery after you remove it to avoid having to restore the correct time and date. Again, you will not lose the programed settings. the switch basically runs everything from the battery and ROM memory you have programed in and just switches the line current on and off. That is why you can program the switch in your hand, before connecting it to your wiring. Read Less
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Asked by
Long Island NY
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July 14, 2015
Answer: 
yes
unless the battery goes dead the time will be correct
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Asked by
Aurora, CO
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July 14, 2015
Answer: 
The timer has battery backup. As long as the battery is in good condition it will not lose time during an outage.
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Asked by
WANTAGH,NEW YORK
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May 19, 2015
Answer: 
THE TIMER PROGRAM WORKS OFF A BATTERY. SO OUTAGE WILL NOT EFFECT TIMER PROGRAM.
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Asked by
wheeling, IL
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January 27, 2015
Answer: 
I've always had it work. It has a battery in it for outages, but like all things will only handle a certain length of power outage.
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October 6, 2014
Answer: 
Dear Valued HomeDepot Customer,
We reached out to the MFG for more information and below is their response.
"The ST01 is a battery operated timer so it will be unaffected by a power outage."
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4 answers

What type of switch plate cover is used?

This question is from 15-Amp Heavy Duty Astro In-Wall Digital Timer
Asked by
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September 19, 2015
I will use this in a triple gang switch box - two regular switches along with this timer. Would a standard switch plate cover be used?
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Asked by
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December 8, 2015
Answer: 
The same plate as you would for a standard square (decorative) switch. You cant use the toggle type of plate. Good luck
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Asked by
Anaheim CA
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November 5, 2015
Answer: 
For the timer swt., the cutout is a "rocker switch" size, 1-5/16" x 2-5/8". I installed my swt in a 2-gang box, the other swt an 'old-style' toggle switch. I found the right switch plate right off the shelf at Home Depot.
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Asked by
Las Vegas, NV
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October 13, 2015
Answer: 
The normal square opening switch plate that already came with the house worked perfectly. I was surprised that a timer with all these features took up the same size opening for the switch plate as a normal rocker type on off switch.
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September 21, 2015
Answer: 
The timer requires the larger Decorator ("Decora style") opening. There are combination plates available from Home Depot, with both opening sizes.
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4 answers

press front plate for on/off ?

This question is from 15-Amp Heavy Duty Astro In-Wall Digital Timer
Asked by
Covington, La
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September 5, 2015
for quickness and convenience does pressing front plate cause on/off ?
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Asked by
Anaheim CA
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November 5, 2015
Answer: 
Yes, pressing the front plate will turn on/off. But timer will still be in AUTO mode. E.g., if you turn it on manually, it will be turned off automatically at the next scheduled off time.
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Asked by
Las Vegas, NV
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October 13, 2015
Answer: 
Yes, you can press the cover for manual on/off usage. The cover is over and hides the programming buttons. You can pry it open with a fingernail to get to the programming buttons. Otherwise it acts as a push on/off light switch.
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September 8, 2015
Answer: 
Yes, pressing the front plate will turn on or off.
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Asked by
arlington hts, IL
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September 6, 2015
Answer: 
Yes, a light press on the front plate turns it off or on manually, temporarily overriding the auto mode. The next scheduled program on or off times will continue to function as long the switch is left in auto mode and it will turn on or off as scheduled. If you change the selected setting to manual the switch will act as a standard on - off switch and the timed settings are disabled, but not forgotten, Read More
Yes, a light press on the front plate turns it off or on manually, temporarily overriding the auto mode. The next scheduled program on or off times will continue to function as long the switch is left in auto mode and it will turn on or off as scheduled. If you change the selected setting to manual the switch will act as a standard on - off switch and the timed settings are disabled, but not forgotten, and will return to function when you switch back to auto. Read Less
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4 answers

i have only two wires coming out of box ,will this timer work?

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Asked by
wayne,nj
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June 23, 2015
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Asked by
Las Vegas, NV
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October 13, 2015
Answer: 
Worked for me. The instructions explain how to wire it for 2 or 3 wire applications. Mine was a simple 2 wire switch I replaced. It appears that the battery provides the necessary power to the display. So even if there is a power failure or interruption the timer does not have to be reprogrammed. The display does not have a back light which is good because than that would dramatically decrease battery Read More
Worked for me. The instructions explain how to wire it for 2 or 3 wire applications. Mine was a simple 2 wire switch I replaced. It appears that the battery provides the necessary power to the display. So even if there is a power failure or interruption the timer does not have to be reprogrammed. The display does not have a back light which is good because than that would dramatically decrease battery life. The display was a little hard to see but with reading glasses or a flashlight in low light I was able to see it fine. You only program it rarely so that is not an inconvenience. Read Less
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Asked by
Long Island NY
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July 14, 2015
Answer: 
Yes Follow the directions, cap the red wire and use the black and blue wires
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Asked by
Aurora, CO
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July 14, 2015
Answer: 
Yes it will. It is designed for both single pole and three way switching.
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June 24, 2015
Answer: 
Yes, the ST01 timer works in this situation. You would connect the Black wire from the timer to one of your existing wires, and the Blue wire from the timer to the remaining existing wire. The Red wire from the timer is unused and should be covered with a wire nut (provided). The Green wire from the timer connects to bare copper (ground) wires, if present, otherwise can also be covered with a wire Read More
Yes, the ST01 timer works in this situation. You would connect the Black wire from the timer to one of your existing wires, and the Blue wire from the timer to the remaining existing wire. The Red wire from the timer is unused and should be covered with a wire nut (provided). The Green wire from the timer connects to bare copper (ground) wires, if present, otherwise can also be covered with a wire nut.
Contact Intermatic Technical Support at 815-675-7000 from 8am to 4:30 pm Central time if you need additional information or assistance. Read Less
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CUSTOMER REVIEWS

Rated 4.7 out of 5 by 45 reviewers.
Rated 5.0 out of 5.0 by Exactly what I needed. Worked very well for my not having a load wire in box. Programming was a little difficult as instructions have vvery small writing and following line by line was difficult going back from unit to instructions. Writing on unit buttons also very small. Once installed, timer works marvelously. Knows day of year and accounts for daylight saving time changes and knows time of dusk to turn on. Also, with battery operated clock, i power goes out, no need to reprogram. Very pleased with purchase. May 11, 2016
Rated 5.0 out of 5.0 by Perfect solution for older home with no neutral wire and to run LED's. This is the 2nd one I installed in my home I do not have the neutral and others I looked at would not run the low watt LED bulbs. I replaced and older one and added a new one for a garage door light. Only con is its large so make sure you have the room in the gang box. Very easy to set up for basic dusk to a time off. May 31, 2016
Rated 5.0 out of 5.0 by Great product and their product support is great also My wiring situation was a little unique. I sent them an e-mail and they got back to me the next morning with the answer. May 3, 2016
Rated 3.0 out of 5.0 by A maybe The switch seems to work as stated but it takes a lot of time to set up. I'm still tweaking it. April 20, 2016
Rated 5.0 out of 5.0 by Astro wall switch 3 way good instructions easy to install. I really like that the start time is adjusted to sunset in our art of the country. That is the light turns on at later times as we get into summer and will come on earlier as we approach fall. I did watch a you tube video on installation May 3, 2016
Rated 5.0 out of 5.0 by Great product Timer was easy to install and program for sunset to sunrise operation and worked great with LED lights April 29, 2016
Rated 4.0 out of 5.0 by Wall Timers Good product, still has a loud click when turning the unit on? April 26, 2016
Rated 5.0 out of 5.0 by In-wall digital timer It was easy to install and also to set for times needed. Just check out the Utube video. It takes you step by step and simplifies the process. One of mine also had the dual switches. Really like the outcome. I highly recommend this product. March 29, 2016
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