Model # CLSS1

Internet #100431673

Chamberlain System Surge Protector

Discontinued Chamberlain

System Surge Protector

  • Protect your garage door opener from lighting & power surges
  • Works with all major garage door opener brands
  • Easy install, no tools needed
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Frequently Bought Together

Product Overview

Protect your garage door opener and accessories from lightning and power line surges. Fast, easy installation; no tools needed. This product works with most major brands of opener systems.

  • After installing surge protector, check for illumination of safety sensor LEDs
  • Plugs into outlet near the garage door opener motor unit
  • Plugging this surge protector into a GFCI (ground fault circuit interrupter) is acceptable, but not recommended
  • After plugging in the garage door opener into the surge protector test for proper operation
  • Click here for more information on Electronic Recycling Programs

Info & Guides

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Brand Genie Chamberlain Clopay Genie
Ratings (1) (13) (105) (5)
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Warranty / Certifications

More Products With These Features


Customer Questions & Answers

Will this surge protect block or allow the use of the second plug in the wall socket?

Asked by: Anonymous
The unit permits a second access plug. I would not use the second outlet for anything other than a low wattage safety light... the amp drain for any motor can be a problem for multiple outlet devices.
Answered by: HandyHal
Date published: 2016-01-04

Will this surge protector work with Genie Chainlift 600 1/2 HP DC Chain Drive Garage Door Opener?

Asked by: KJT
Yes, this surge protector will work with Gene Chainlift.
Answered by: CommunityAnswer
Date published: 2016-07-19

Low voltage circuit wired in Parallel?!?!

I fully understand how the surge protector protects the garage door motor from an AC spike, since the protector is wired in SERIES between the AC wall outlet and the AC input to the motor. However, I DO NOT understand how the low voltage 24 Volt circuits (safety sensors & wall control) are protected, since they are wired in PARALLEL with the surge protector, which means that current can simultaneously flow from both the surge protector and door motor to the safety sensor & wall control, which makes no sense. Whereas for the AC circuit, current must FIRST flow through the surge protector before getting to the motor due to the wiring in SERIES, which makes perfect sense. Any comments or clarifications??
Asked by: Anonymous
the lowvoltage units travel through a splitter... they do not combine with the motor voltage... the protector has internal circuits to "split and protect".
Answered by: HandyHal
Date published: 2015-09-17

Will this system surge protector (Chamberlain CLSS1) work with a Ro-Mac MVP 1/2 hp garage door opener?

Asked by: smokey
Hi Smokey - The manual states that the CLSS1 is only not reccomended to be installed with garage door openers manufactured by Marantec America Corporation or Hoermann, Inc. USA.
Answered by: TheChamberlainTeam
Date published: 2016-08-13
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Customer Reviews

System Surge Protector is rated 4.7 out of 5 by 13.
Rated 5 out of 5 by from Good Protection I didn't know when I purchased this online that it had to be wired to the board of the opener therefore I had to get an electrician to install it. Luckily I didn't have to pay for that otherwise I might have exchanged it for one that just gets plugged into the outlet and the opener plugs into the surge protector. If it said it has to be wired in the description I must have missed that part. I wanted to get the Chamberlain because I trust this brand and knew it would be compatible with my Chamberlain opener without the possibility of voiding my warranty. It also was the best priced among all online retailers.
Date published: 2016-02-18
Rated 4 out of 5 by from Simple, but intelligently designed More than a typical surge suppressor for the power line feeding your device. Also protects against surges coming from the remote sensors; like from a lightning strike hitting one of them. That makes it a little more complicated to wire up, but nothing too strenuous. I also appreciate the green LED indicator. If the unit has been "sacrificed" by a hit, the LED goes out and you know you're no longer protected - time to replace. Very compact unit.
Date published: 2016-02-24
Rated 5 out of 5 by from Very satisfied! I have had the product for about 18 months now and am very happy with it. We live in Texas and get quite a few thunderstorms. I never have to worry about my garage door openers getting fried from a lightening strike. These surge protectors are awesome! My brother in law is getting ready to put in new openers and he too is ordering these surge protectors!
Date published: 2016-02-03
Rated 5 out of 5 by from Easy to install Of course you don't realize that you need a surge protector on your garage door until you lose a contol board. I won't know if protects me in the future but for the low price and easy install it worth the piece of mind.
Date published: 2011-09-07
Rated 4 out of 5 by from added protection a power surge in my home destroyed the circuit board in my garage door opener. the circuit board cost over $100. fortunately my opener was still under its two year parts warranty. hopefully it never happens again with the added protection of the surge protector.
Date published: 2015-07-30
Rated 5 out of 5 by from "a necessity" So far we've had a couple of power outages in the area because of lightning and my garage door opener is holding up. I would recommendthis product for everyone who lives in the area where it's always raining and lightning, this product is a must. I didn't know they made surge protector for garage door opener until I replace my garage door opener over a month ago because the lightning hit the transformer in my neighborhood. I wished I had known I would have saved about $300.00. By the way, my son installed it in 1 minute.
Date published: 2012-05-15
Rated 5 out of 5 by from Works excellent... as described. While living in Florida is so nice, we have more than our fair share of lightning. This product works as described. I've never had an issue with my opener for as long as it was installed. Installation is as easy as plugging it in. Recommended! You could buy a surge protector in other stores, but this is made especially for a garage door, so you wont have wires hanging or other issues. Nice!
Date published: 2009-03-31
Rated 5 out of 5 by from a REAL best option to replacement this device will save money... Home Depot was less costly than other list prices and free shipping to the store only took 3 days. Installation was a snap.... no additional wiring. After having to replace one motherboard from an incidental lightening storm, the savings against possible future events is great.
Date published: 2013-09-04
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