⚡ Breaker that means business — power up with confidence!
The Siemens B2125 is a UL-listed, bolt-on double pole circuit breaker rated for 125 amps and 240 volts, featuring a 10KAIC interrupting capacity. Designed for panel board mounting, it delivers reliable, high-performance circuit protection in a compact form factor, ideal for professional-grade electrical systems.
| Brand | SIEMENS |
| Current Rating | 125 Amps |
| Circuit Breaker Type | Standard |
| Mounting Type | Bolt-On Mount |
| Number Of Poles | 2 |
| UPC | 783643263666 |
| Manufacturer | Siemens -HI |
| Global Trade Identification Number | 00783643263666 |
| Part Number | B2125 |
| Item Weight | 8 ounces |
| Product Dimensions | 4 x 3 x 2 inches |
| Item model number | B2125 |
| Is Discontinued By Manufacturer | No |
| Color | Black |
| Thickness | 11 Inches |
| Voltage | 240 Volts |
| Item Package Quantity | 1 |
| Measurement System | Imperial |
| Included Components | SIEB2125 |
| Batteries Included? | No |
| Batteries Required? | No |
| Warranty Description | Siemens strongly recommends against the use of "used" breakers. The installation of used breakers in a Siemens panel will void the warranty on the panel. Siemens does not sell used breakers and has not approved any 3rd party sellers to do so. |
K**R
This type breaker will work in your generator, and save you A substantial amount of money
Replaced a 70 amp with this 100 amp breaker in my whole house generator. Saved over 170.00 using this one . Same as the one Generac uses , but looks a bit different .
A**R
Good Product
Worked as advertised. Will buy more when needed.
Trustpilot
1 month ago
2 months ago
