---
product_id: 131698344
title: "B2125 125-Amp Double Pole 120/240-Volt 10KAIC Bolt in Breaker"
brand: "siemens"
price: "1696 kr"
currency: DKK
in_stock: true
reviews_count: 2
url: https://www.desertcart.dk/products/131698344-b2125-125-amp-double-pole-120-240-volt-10kaic-bolt
store_origin: DK
region: Denmark
---

# 125 Amps high current capacity 10KAIC interrupting rating Bolt-on secure mounting B2125 125-Amp Double Pole 120/240-Volt 10KAIC Bolt in Breaker

**Brand:** siemens
**Price:** 1696 kr
**Availability:** ✅ In Stock

## Summary

> ⚡ Breaker that means business — power up with confidence!

## Quick Answers

- **What is this?** B2125 125-Amp Double Pole 120/240-Volt 10KAIC Bolt in Breaker by siemens
- **How much does it cost?** 1696 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/131698344-b2125-125-amp-double-pole-120-240-volt-10kaic-bolt)

## Best For

- siemens enthusiasts

## Why This Product

- Trusted siemens brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Dual-Pole Design:** Supports 120/240 Volt circuits for versatile power management
- • **UL Listed Safety:** Certified for top-tier safety and compliance standards
- • **Compact & Lightweight:** Sleek 4x3x2 inch design at just 8 ounces fits seamlessly in your setup
- • **Powerhouse Performance:** Handles up to 125 Amps for robust electrical protection
- • **Secure Bolt-On Mounting:** Ensures stable, reliable panel board installation every time

## Overview

The Siemens B2125 is a UL-listed, double-pole circuit breaker designed for 120/240V systems, delivering a reliable 125 Amp current rating with a 10KAIC interrupting capacity. Its bolt-on mounting ensures secure installation in panel boards, making it a trusted choice for professional-grade electrical protection.

## Description

The Siemens BL Circuit Breaker is a panel board mounted, non-interchangeable trip molded case circuit breaker available in 10-125A, 1, 2 and 3-pole.  Available in 10KAIC, 22KAIC and 65KAIC interrupting ratings.  Also, available are arc-fault, ground-fault and switching neutral breakers.

## Features

- UL Listed
- Panel board mounting
- double pole
- Type BL

## Technical Specifications

| Specification | Value |
|---------------|-------|
| 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 |
| Voltage | 240 Volts |
| 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 |
| 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. |

## Product Details

- **Brand:** SIEMENS
- **Current Rating:** 125 Amps
- **Circuit Breaker Type:** Standard
- **Mounting Type:** Bolt-On Mount
- **Number Of Poles:** 2

## Images

![B2125 125-Amp Double Pole 120/240-Volt 10KAIC Bolt in Breaker - Image 1](https://m.media-amazon.com/images/I/71JUXHZ97xL.jpg)

## Questions & Answers

**Q: How fast can i get this?**
A: 08/13/2019

Thank you for this inquiry!  As a seller of this item, we can't really guarantee the EXACT delivery, however, I can say that all orders placed through our Amazon Storefront are processed and shipped out SAME DAY.  We do ship via USPS or UPS Ground, depending on the location and item.  So it would typically take about 2-5 Business days depending on your location (we are located in Southern California).  Unfortunately, expedited shipping is not available through Amazon, but you can always contact us by phone and request that.  

Thank you and please feel free to contact us if you have any other questions.  Thank you!

Paul Levis
JRL Electric Supply, Inc. 
800-743-1851

**Q: Hello what is the maximum wire size that the lugs on that 125 amp Siemens bolt on Breaker are rated for?**
A: Min. Wire Size2 AWG (Cu), 1/0 AWG (Al) Max. Wire Size1/0 AWG (Cu), 2/0 AWG (Al)

## Customer Reviews

### ⭐⭐⭐⭐⭐ This type breaker will work in your generator, and save you A substantial amount of money
*by K***R on February 4, 2020*

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 .

### ⭐⭐⭐⭐⭐ Good Product
*by A***R on January 19, 2020*

Worked as advertised. Will buy more when needed.

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.dk/products/131698344-b2125-125-amp-double-pole-120-240-volt-10kaic-bolt](https://www.desertcart.dk/products/131698344-b2125-125-amp-double-pole-120-240-volt-10kaic-bolt)

---

*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-02-28*