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⚡ Upgrade your electrical game with Murray’s MP120 — power, protection, and peace of mind in one plug!
The Murray MP120 is a 20 Amp, 120V single pole thermal-magnetic circuit breaker designed for overload and short-circuit protection. Featuring a 10,000 AIC interrupting rating and plug-in mounting with Insta-Wire technology, it ensures quick installation and reliable performance in Murray load centers. Ideal for professionals seeking durable, warranty-compliant electrical safety solutions.
| ASIN | B000BQWO98 |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #89,943 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #31 in Thermal-Magnetic Circuit Breakers |
| Brand | Murray |
| Circuit Breaker Type | Standard |
| Color | Black |
| Current Rating | 20 Amps |
| Customer Reviews | 4.5 4.5 out of 5 stars (261) |
| Date First Available | August 17, 2005 |
| Finish | Black |
| Global Trade Identification Number | 00040892518894 |
| Included Components | MP120 |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 4 ounces |
| Item model number | MP120 |
| Manufacturer | Siemens -HI |
| Material | Copper |
| Mounting Type | Plug-In Mount |
| Number Of Pieces | 1 |
| Number Of Poles | 1 |
| Part Number | MP120 |
| Power Source | Wired Electric |
| Product Dimensions | 1 x 3.6 x 3.6 inches |
| Style | 20-Amp |
| UPC | 040892518894 |
| Voltage | 120 Volts |
| Warranty Description | Siemens strongly recommends against the use of "used" breakers. |
M**N
Excellent quality.
Perfect fit!
U**E
Breaker
As advertised
C**T
Murray MP120 20-amp circuit breaker needs quality control
The price was excellent but I removed 1 star because one of the breakers had a screw that I couldn't tighten. It was never tapped out properly. I tapped it out with a 1/4-28 tap and it was fine. If I didn't have that exact tap, I couldn't have used the breaker.
R**R
Breaker
Worked perfect
P**T
Hard to find
Good replacement part
A**R
Fit Murray
Right fit for an old Murray Panel
A**E
Easy to install
It was easy to install. I have not had any problems with it. My old one kept tripping. This one fixed the problem.
J**H
Arrived broken…
Arrived broken. The switch tab was broken off, left with very little of the lever. Have label it as 20, so it’s known what it is. No pieces in the package so assume was broken before it was shipped.
Trustpilot
1 week ago
5 days ago