- Murray brand is being phased out, replaced by equal Siemens parts
- Murray MSA2020SPDP is equivalent to Siemens QSA2020SPD
- 10 kA Interrupting Rating
- See More Details
Frequently Bought Together
Price:
$11663
Product Overview
The Murray 20 Amp Surge Protected Circuit Breaker provides a secondary surge arrestor incorporated with 2 single-pole circuit breakers. By installing a Siemens Circuit Breaker and Surge Protection Device in the load center of the residence, surge protection is provided for all branch circuits. This device is UL and CSA listed for safety.
- Comprised of a highly effective TVSS integrated with 2 single-pole 20 Amp circuit breakers
- 2 green LED indicator lights show when surge protection is provided
- Utilizes 150 VAC, 40 mm metal oxide varistors
- 40kA maximum impulse rating
- Maximum impulse rating for the SPD module is 40kA, the standard interrupting rating for circuit breakers is 10K AIC
- Provides surge protection for all branch circuits
- Contains two 1 Pole 120-Volt Circuit Breakers
- Click here for more information on Electronic Recycling Programs
Info & Guides
Product Overview
- Murray brand is being phased out, replaced by equal Siemens parts
- Murray MSA2020SPDP is equivalent to Siemens QSA2020SPD
- 10 kA Interrupting Rating
Compare Similar Whole-House Surge Protectors
 | |  |  | |
| Brand | Eaton | Murray | Siemens | Eaton |
| Name | Whole House Surge Protector | 20 Amp 6.5 in. Whole House Surge Protected Circuit Breaker | 20 Amp 6.5 in. Whole House Surge Protected-Circuit Breaker | Whole House Surge Protection Contains CHSPULTRA and CHSPCABLE Devices |
| Price | $11154 | $11663 | $11900 | $15571 |
| Ratings | (167) | (14) | (43) | (13) |
| View Product | View Product | View Product | View Product |
Compare Similar Whole-House Surge Protectors
| | | | |
| Brand | Eaton | Murray | Siemens | Eaton |
| Name | Whole House Surge Protector | 20 Amp 6.5 in. Whole House Surge Protected Circuit Breaker | 20 Amp 6.5 in. Whole House Surge Protected-Circuit Breaker | Whole House Surge Protection Contains CHSPULTRA and CHSPCABLE Devices |
| Price | $11154 | $11663 | $11900 | $15571 |
| Ratings | (167) | (14) | (43) | (13) |
| View Product | View Product | View Product | View Product |
Specifications
Dimensions
Product Depth (in.)
4
Product Height (in.)
7.5
Product Width (in.)
6.5
Details
Connection type
Breaker
Electrical Product Type
Whole House Surge Protectors
Joules
720
Maximum Amperage (amps)
20
Product Weight (lb.)
.55
Returnable
180-Day
Warranty / Certifications
Certifications and Listings
CSA Listed,UL Listed
Manufacturer Warranty
1 year
Questions & Answers
17Questions22Answers
How many spaces will this take inside the panel?
Asked by JJ March 6, 20183
Answers2
6.5 in in description appears to be an error.
Asked by RSP April 19, 20183
Answersyes, 6.5 in. is wrong. This is the size of a standard 2 pole breaker.
My electrical panel is a Murray style MP. Will this fit?
Asked by JayFootball July 9, 20182
AnswersThe electrical box says: "Circuit Breakers use class CTL Murray Style MP, I.T.E. style EQ-P, or Westinghouse Quicklag P" It does not say MP-T style. Will this surge protected Circuit breaker fit?
OK for Crouse-Hinds load center?
Asked by EngineerDad June 20, 20152
AnswersI was able to install one in a Crouse Hinds Pannel JA224CY Remember it only protects surges caused within the house but not surges on the utility feed. For that, you will need a device to install in the meter socket.
Will this work in a cutler hammer box?
Asked by Doofus February 8, 20172
AnswersNO
Can I use this to replace 20 amp breakers that are connected to a transfer switch for a (inverter...
Asked by Sparky September 17, 20202
AnswersTo respond to the Siemens answer. No, I have two single pole breakers that are both connected to a transfer switch. I want to know if I can use the whole house surge protector breaker to replace those two single-pole breakers. Or do I have to use breakers that are not connected to a transfer switch?
Will this work on a Squared D Homeline Panel?
Asked by Flienlow December 13, 20152
AnswersNot true Siemens. The following quote is from the Reliance FAQ web site http://www.reliancecontrols.com/Support.aspx?faq#faq_PL_4: "All Reliance Panel/Link® transfer panels are UL Listed for use with the following interchangeable branch circuit breakers: Siemens Type QP, QT, QPH, HQP, QPF, QPHF, QFP, QE, QEH Square D Series HOM (100A Max.) Murray Type MP Westinghouse Series BD, BR, BQ, GFC (All 100A Max.)"
Will this fit in a GE panel?
Asked by MathiasBenji October 5, 20182
AnswersI think it will fit physically but it's not rated for a GE panel. GE makes whole house surge protector, however it doesn't have the built in breakers so you loose 2 full size spaces.DIYer
Will it protect circuits larger than 20amps?
Asked by Kurt September 22, 20172
Answersno
Will this work in a Siemens panel?
Asked by Ben March 9, 20192
AnswersNo
Customer Reviews
Overall Ratings
I installed a replacement for the same model that was installed for about 20 years. Within 1 yea...
February 12, 2018
I installed a replacement for the same model that was installed for about 20 years. Within 1 year it had oxidized (still seems to be working though). I called the manufacturer and they couldn't tell me what was causing it or if it was dangerous.
Response from SIEMENS Product ExpertFebruary 12, 2018
Hello,
I am sorry to hear that. One factor could be the age and/or location of the equipment this was being used with. If it was exposed to the outdoors and not in the properly rated enclosure that could also be a potential factor. Our aftermarket tech support line is 800-333-7421 and we would be happy to research further into this
I am sorry to hear that. One factor could be the age and/or location of the equipment this was being used with. If it was exposed to the outdoors and not in the properly rated enclosure that could also be a potential factor. Our aftermarket tech support line is 800-333-7421 and we would be happy to research further into this
Best Circuit Breaker Style Whole House Surge Suppressor on the market
September 2, 2014
This is the best circuit breaker style plug in whole house surge suppressor on the market. The clamping voltage is 500V which is 100V lower than most other whole house surge suppressors. Most manufacturers try to explain that it is important to keep the leads, if any, as short as possible between the connection point on the electrical panel and the surge suppressor, but most manufacturers also fail to explain what will happen if you do not. There are no leads on circuit breaker style surge suppressors. Circuit breaker style surge suppressors are also called integral surge suppressors. See the picture below from a document called TVSS_wp1.pdf that I found on the internet. Compare the Green verticle bar for Probe #2 (surge voltage at the wall outlet) for an integral surge suppressor to the Yellow (3 feet of 6AWG connecting leads) and Blue (3 feet of 10AWG connecting leads). 3 feet of 6AWG connecting wire will double the surge voltage that gets past the surge suppressor and 3 feet of 10AWG connecting wire will let 2.5x more surge voltage get through to your appliance.
Not in the local box store or electrical supply. I...
August 14, 2020
Not in the local box store or electrical supply. I was able to get it more quickly through Home Depot online. Worked for this job perfectly.
Rating provided by a verified purchaser...
July 15, 2020
Rating provided by a verified purchaser
It work out great ...
December 31, 2019
It work out great
Easy install
June 18, 2019
Easy install
Great that it fits into Murray panels especially if you...
July 31, 2018
Great that it fits into Murray panels especially if you have no room around the panel.
5 Star Review
September 13, 2017
Rating provided by a verified purchaser
Installed easily and lit up as required. The proof will...
June 14, 2017
Installed easily and lit up as required. The proof will be when it protects me from a surge. Recommend.
Fit exactly as written. Looks clean. Install simple
December 28, 2016
Fit exactly as written. Looks clean. Install simple
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