








💡 Light smarter, last longer — the EK4736S keeps your fixtures shining flawlessly!
The Intermatic EK4736S is a high-performance electronic photocontrol designed for long-lasting, maintenance-free lighting control. Featuring a non-drift silicon light sensor with IR filter, zero-crossing DC relay, and conformal coated PCB, it supports up to 1650W at 277VAC and exceeds 10,000 switching cycles. Certified to ANSI, UL, and CSA standards, it offers enhanced surge protection and compatibility with modern HID and LED fixtures, making it the trusted choice for professional-grade outdoor lighting installations.








| ASIN | B00SBBZRVC |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #180,071 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #120 in Photoelectric Sensors |
| Certification | csa, nema, ul |
| Color | Color |
| Customer Reviews | 4.4 4.4 out of 5 stars (194) |
| Date First Available | September 9, 2013 |
| Finish | Gray |
| Included Components | EK4736S |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 4 ounces |
| Item model number | EK4736S |
| Manufacturer | Intermatic |
| Material | silicon |
| Number Of Pieces | 1 |
| Part Number | EK4736S |
| Power Source | wired electric |
| Product Dimensions | 1.3 x 1.24 x 2.25 inches |
| Warranty Description | See Manf Description |
L**U
High Quality
This is my second one for another home. The first one I purchased is over 5 years old (in the Florida heat) and has NEVER failed. Love this product. Easy install.
T**R
Worked perfectly
Ordinarily I wouldn't give a 5-star review for a device that simply does the job as advertised, but given I had previously tried two other such photocontrols (from two other manufacturers) both of which failed to work properly, I'm disposed to treat this one more kindly.
B**T
Replaced other Intermatic photocell that lasted 8-1/2 years
A photocontrol on the side of our garage near the electric meter controls the two lighting fixtures that are on the far side of the garage doors. In July 2012, we had to replace the photocontrol that was there when we moved in the house. It was an Intermatic K4221C 120-Volt Stem and Swivel Mount Photo Control, also ordered through Amazon. So that one lasted 9-1/2 years and most of that period we had compact fluorescent lamps in the fixtures, although more recently we've been using LED lamps. The previous photocell didn't say it was rated for LED lamps while this one is rated for LED lamps. Hopefully, it was last at least as long as the previous photocontrol. Installation was pretty straightforward.
A**R
Operates several halogen and fluorescent lamps with no issue. ...
Operates several halogen and fluorescent lamps with no issue. A little more sensitive to ambient light than others I've used.
G**S
Dusk to dawn sensor is good.
It came quickly and works well! It is rated for LED inrush current.
K**N
These new dusk to dawn are great for LED lights
We ordered 2 a few months ago, and they are working great, so I ordered another one to install this week. They work great on LEDs and I hope to get many more years out of this one, unlike the cheaper ones in the hardware store.
S**C
Great replacement at half the cost
I bought this to replace a Kichler photocell, which lasted about 3 years before failing. This is the 3rd or 4th time I have replaced the photocell for my landscape lighting, which suggests they don’t last. However, this unit is promised to last 8 years. While it is much too soon to know how long it will last, it does seem to work very well and is more sensitive to light than the Kichler. The replacement did require I cut off the connector plug from the Kichler and use standard wire nuts to connect the Intermatic to the old connector plug - very easy conversion. And the Intermatic cost about 1/2 of the Kichler, while promising 2-3 times the life.
R**N
Durable and flexible installation
Outstanding. I putted in a LED ligh pole about 70 feet away from the house next to my brick BBQ and it is amazing, worked fine. Turns on when dark and at first morning lights dawn turns off. Durable material, flexible to adapt /adjust to the magnetic North. Best in compared to the one I used / tested from Lowe's and Home Depot. Other photoCells remains open, light would not turns off, and cannot adjusted to a good North orientation.
L**E
I was on the search for a photocontrol for a lamp post and found lots of reviews on slightly cheaper models citing that theirs had to be changed regularly or had stopped working. This one mounted well, came with all hardware, and has been problem free for years so far. You can swivel the arm so positioning is super easy despite where the sun is. Very happy with it.
O**Y
I replaced something similar, which had worn out, with this one. It's better the the original to control the 5 lights on my garage, which are a combination of mini Fluorescents and 1 led. Sensitivity is just right and passing cars do not turn it off at night.
Trustpilot
1 day ago
3 weeks ago