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Home Intermatic 300W | 120V to 12V Transformer | PX300
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Intermatic 300W | 120V to 12V Transformer | PX300

Intermatic 300W | 120V to 12V Transformer | PX300

  • 300W Transformer
  • Input - 120V, 1 Amp
    Output - 12 or 13V

  • Steel with electrostatically applied light beige finish. Mounting brackets top and bottom.
  • Knockouts - (4) bottom, (2) right side, (1) left side, (1) back.
  • J&J Electronics 100W | 120V to 12V Transformer | TR-100-PP
    J&J Electronics 100W | 120V to 12V Transformer | TR-100-PP

  • Intermatic 100W | 120V to 12V Transformer | PX100
    Intermatic 100W | 120V to 12V Transformer | PX100

  • Intermatic 100W 120V to 12V Transformer | Stainless Housing | PX100S
    Intermatic 100W | 120V to 12V Transformer | PX100S

  • Intermatic 600W 120V to 12, 13, or 14V Transformer | PX600
    Intermatic 600W 120V to 12, 13, or 14V Transformer | PX600

  • Intermatic 600W 120V to 12, 13, or 14V Transformer | PX600S
    Intermatic 600W 120V to 12, 13, or 14V Transformer | PX600S

These safety transformers are specifically designed to operate in harsh environments, such as high humidity, combined with heat, and chemicals typically found around pools and spas.
Transformer offers built-in circuit protection to disconnect power in case of defect or overload.
The two piece enclosure is made from galvanized steel and electrostatically coated with powder paint in order to weather the elements. With cover removed, the high and low voltage compartments are fully exposed and the knock-outs make wiring extremely convenient.

The transformer is made by the unique, two bobbin process and has a safety shield between the primary and secondary windings. In addition, the entire transformer is vacuum impregnated to resist moisture as well as for cooler, more efficient, and quieter operation. The output voltage of the secondary is selectable, depending on the input connections. All transformer models are safeguarded by an integral automatic-reset protector.

Q & A
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Browse 10 questions Browse 10 questions and 11 answers
if you are replacing two lights in a pool from 120v to 12v do you need a transformer for each light or can they both run off the same transformer?
Bob G on Oct 13, 2016
BEST ANSWER: Depends on how many watts are each light. The transformer is good for 300 watts so in theory you can put 30 x 10 watt lights or 2 x150 watt lights and anything in between as long as you don't go beyond 300.
dgghcan I connect a spa and pool LED light to one transformer and be able to control the light separately on a new automictic pool device (pentair easy touch)?
A shopper on Jul 13, 2020
BEST ANSWER: No. If you want to turn them on and off independently, you need two transformers and 2 relays in the control panel available.
how do I know if I need a 100 w or 300w transformer? I do not have the old one.
A shopper on Oct 20, 2016
BEST ANSWER: It will depend on how many watts is being drawn by the items you have running off the Transformer. So if you're running landscape lighting and you have 5-50 watt bulbs you would need the 300 watt Transformer. Because the five bulbs equal 250 Watts. If you're using LED pool lights or LED landscape lighting then of course you'll maybe only need 100 watt Transformer. Add up all of the Watts of the items being powered.
Hope this makes sense. Alex
how far can transformer be from lights?
A shopper on Feb 10, 2016
BEST ANSWER: With that particular ballast I was able to supply power to a lamp at 75' feet away
Can this be used with a dimmer?
Tom C on Sep 3, 2020
BEST ANSWER: As far as I have been told you can't. i wish it could because mine are bright
Is the intermatic px300 compatible for led pool lights?
Dino L on Jul 9, 2020
BEST ANSWER: Yes. Two points to consider. Any circuit near water needs to be gfi protected. If the lights are within/ nearest the pool , you need to check with local code. Best of luck
can i omit the j box when using this transformer?
A shopper on Jun 23, 2020
BEST ANSWER: Any light need a J box to be proper is what i am told in this profession.
How do I control the on and off of my pool light with my px300 my remote control quit working?
A shopper on May 15, 2021
hi would this item work for my one pool light? if I have a 240 volts
A shopper on Jul 20, 2020
Does this come with on off switch?
A shopper on Jul 3, 2020
5.0 / 5.0
2 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Rated 5 out of 5
Excellent price
Decided to switch to 12V pool lights and while talking to Rodolfo on tech support he recommended i got the 300W instead of the 100W for a very small difference, great customer service.
July 2, 2016
Rated 5 out of 5
Great item!
Very well constructed. Offers 12V, 13V or 14V output. Works perfect with my Pentair 12V light.
August 13, 2021
10 months ago
Register your product online at www.intermatic.com.

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