---
product_id: 13776592
title: "B120 20-Amp Single Pole 120-Volt 10KAIC Bolt in Breaker"
brand: "siemens"
price: "₩47346"
currency: KRW
in_stock: true
url: https://www.desertcart.kr/products/13776592-b120-20-amp-single-pole-120-volt-10kaic-bolt-in
store_origin: KR
region: South Korea
---

# 20 Amp high-capacity current 120 Volt panel mount ready 10KAIC interrupting rating B120 20-Amp Single Pole 120-Volt 10KAIC Bolt in Breaker

**Brand:** siemens
**Price:** ₩47346
**Availability:** ✅ In Stock

## Summary

> ⚡ Power up your safety game with Siemens B120 – where reliability meets precision!

## Quick Answers

- **What is this?** B120 20-Amp Single Pole 120-Volt 10KAIC Bolt in Breaker by siemens
- **How much does it cost?** ₩47346 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/13776592-b120-20-amp-single-pole-120-volt-10kaic-bolt-in)

## 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

- • **Compact & Lightweight Design:** Fits discreetly with minimal space impact, perfect for modern setups.
- • **Reliable 20 Amp Power Control:** Handles your essential circuits with precision and safety.
- • **UL Listed for Safety Assurance:** Meets rigorous safety standards for peace of mind.
- • **Seamless Panel Mount Integration:** Designed for easy installation in standard Siemens panel boards.
- • **Robust 10KAIC Interrupting Capacity:** Protects your system from high fault currents with confidence.

## Overview

The Siemens B120 is a UL-listed, 20 Amp, single-pole circuit breaker designed for panel board mounting. Featuring a 120 Volt rating and a 10KAIC interrupting capacity, it ensures reliable protection against electrical faults. Compact and lightweight, it integrates seamlessly into Siemens panels, delivering trusted performance for residential and commercial electrical systems.

## Description

B120 20-Amp Single Pole 120-Volt 10KAIC Bolt in Breaker

## Features

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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | SIEMENS |
| Current Rating | 20 Amps |
| Circuit Breaker Type | Standard |
| Mounting Type | Panel Mount |
| Number Of Poles | 1 |
| UPC | 783643263420 |
| Manufacturer | Siemens -HI |
| Global Trade Identification Number | 00783643263420 |
| Voltage | 120 Volts |
| Part Number | B120 |
| Item Weight | 0.48 ounces |
| Product Dimensions | 4 x 3 x 1 inches |
| Item model number | B120 |
| Is Discontinued By Manufacturer | No |
| Size | Siemens -HI |
| Color | Black |
| Finish | Black |
| Power Source | Wired Electric |
| Amperage Capacity | 20 Amps |
| Item Package Quantity | 1 |
| Number Of Pieces | 1 |
| Included Components | B120 |
| 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:** 20 Amps
- **Circuit Breaker Type:** Standard
- **Mounting Type:** Panel Mount
- **Number Of Poles:** 1

## Images

![B120 20-Amp Single Pole 120-Volt 10KAIC Bolt in Breaker - Image 1](https://m.media-amazon.com/images/I/61wDpneDX-L.jpg)

## Questions & Answers

**Q: Is the BL120 breaker new?**
A: If the item is listed as new, this will be a new circuit breaker.

**Q: Do they make these in a 20 amp tandem?**
A: No they do not make them in 20 amp.

**Q: Can i replace one siemens breaker 20 amp 2 poles type bl by two 20 amp 1 pole type bl ?**
A: The the single pole B120's are 1" and the 2 pole B220 are 2" shouldn't be a problem but if you would like to let us know what application you are installing them into to confirm please let us know.

**Q: Missing item. I order 2 breakers only see one in the bag**
A: Good morning. We normally plastic wrap multiple breakers together and then wrap the multiple breakers with bubble wrap. If you are certain one was only shipped i apologize for this inconvenience and we can get another one out to you asap.

## Frequently Bought Together

- Siemens B120 20-Amp Single Pole 120-Volt 10KAIC Bolt in Breaker
- Siemens B230 Panelboard/Bolt-On Mount Type BL Low Tab Molded Case Circuit Breaker 2-Pole 30 Amp 120/240 Volt AC
- Siemens B220 Bolt-in Circuit Breaker, 120-Volt, 2-Pole, 20-Amp, 10Kaic

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**Shop now:** [https://www.desertcart.kr/products/13776592-b120-20-amp-single-pole-120-volt-10kaic-bolt-in](https://www.desertcart.kr/products/13776592-b120-20-amp-single-pole-120-volt-10kaic-bolt-in)

---

*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-03-09*