---
product_id: 49762985
title: "SHAMROCK CONTROLS QY18U202B0 Circuit Breaker, QY Series, UL489A, Curve U2, DC Voltage, 1 Pole, 2 amp"
brand: "shamrock controls"
price: "1130641₫"
currency: VND
in_stock: true
url: https://www.desertcart.vn/products/49762985-shamrock-controls-qy18u202b0-circuit-breaker-qy-series-ul489a-curve-u2
store_origin: VN
region: Vietnam
---

# 2A Power UL489A Certified 80/250VDC SHAMROCK CONTROLS QY18U202B0 Circuit Breaker, QY Series, UL489A, Curve U2, DC Voltage, 1 Pole, 2 amp

**Brand:** shamrock controls
**Price:** 1130641₫
**Availability:** ✅ In Stock

## Summary

> ⚙️ Power Up Your Protection!

## Quick Answers

- **What is this?** SHAMROCK CONTROLS QY18U202B0 Circuit Breaker, QY Series, UL489A, Curve U2, DC Voltage, 1 Pole, 2 amp by shamrock controls
- **How much does it cost?** 1130641₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/49762985-shamrock-controls-qy18u202b0-circuit-breaker-qy-series-ul489a-curve-u2)

## Best For

- shamrock controls enthusiasts

## Why This Product

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

## Key Features

- • **Precision Curve:** Curve U2 ensures optimal performance under load.
- • **Compact & Versatile:** Easily mounts on Mini Rail, Din Rail, or Surface Clip.
- • **Reliable Protection:** UL 489A listed for safety and compliance.
- • **Single Pole Simplicity:** Streamlined design for straightforward installation.
- • **Efficient Circuit Management:** Designed for DC voltage applications.

## Overview

The SHAMROCK CONTROLS QY18U202B0 Circuit Breaker is a high-performance, single-pole circuit breaker designed for DC voltage applications. With a rated amperage of 2 amps and voltage options of 80/250 VDC, it meets UL 489A standards, ensuring safety and reliability. Its versatile mounting options make it an ideal choice for various installations.

## Description

SHAMROCK CONTROLS QY18U202B0 Circuit Breaker, QY Series, UL489A, Curve U2, DC Voltage, 1 Pole, 2 amp

## Features

- QY Series Circuit Breaker
- Number of Poles - 1
- Rated Amperage - 2 Amp, Rated Voltage - 80/250 VDC
- Curve U2 and UL 489A Listed
- Mounting Options - Mini Rail, Din Rail, Surface Clip, QPI Plug in System

## Images

![SHAMROCK CONTROLS QY18U202B0 Circuit Breaker, QY Series, UL489A, Curve U2, DC Voltage, 1 Pole, 2 amp - Image 1](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T2/images/I/81OExy0-wAL.jpg)
![SHAMROCK CONTROLS QY18U202B0 Circuit Breaker, QY Series, UL489A, Curve U2, DC Voltage, 1 Pole, 2 amp - Image 2](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T2/images/I/71mKSzJ5seL.jpg)
![SHAMROCK CONTROLS QY18U202B0 Circuit Breaker, QY Series, UL489A, Curve U2, DC Voltage, 1 Pole, 2 amp - Image 3](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T2/images/I/81FyUBHXjUL.jpg)
![SHAMROCK CONTROLS QY18U202B0 Circuit Breaker, QY Series, UL489A, Curve U2, DC Voltage, 1 Pole, 2 amp - Image 4](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T2/images/I/71ccXoOL3fL.jpg)
![SHAMROCK CONTROLS QY18U202B0 Circuit Breaker, QY Series, UL489A, Curve U2, DC Voltage, 1 Pole, 2 amp - Image 5](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T2/images/I/71NYYFIjo+L.jpg)

---

## 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.vn/products/49762985-shamrock-controls-qy18u202b0-circuit-breaker-qy-series-ul489a-curve-u2](https://www.desertcart.vn/products/49762985-shamrock-controls-qy18u202b0-circuit-breaker-qy-series-ul489a-curve-u2)

---

*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-02-22*