---
product_id: 38114075
title: "QY18U263B0 Circuit Breaker, QY Series, UL489A, Curve U2, DC Voltage, 1 Pole, 63 amp"
brand: "shamrock controls"
price: "฿1906"
currency: THB
in_stock: true
url: https://www.desertcart.co.th/products/38114075-qy18u263b0-circuit-breaker-qy-series-ul489a-curve-u2-dc-voltage
store_origin: TH
region: Thailand
---

# 1 Pole UL 489A 63 Amp QY18U263B0 Circuit Breaker, QY Series, UL489A, Curve U2, DC Voltage, 1 Pole, 63 amp

**Brand:** shamrock controls
**Price:** ฿1906
**Availability:** ✅ In Stock

## Summary

> 🔒 Secure Your Power with Confidence!

## Quick Answers

- **What is this?** QY18U263B0 Circuit Breaker, QY Series, UL489A, Curve U2, DC Voltage, 1 Pole, 63 amp by shamrock controls
- **How much does it cost?** ฿1906 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/38114075-qy18u263b0-circuit-breaker-qy-series-ul489a-curve-u2-dc-voltage)

## 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

- • **Compact Design:** Space-saving design that fits seamlessly into your electrical setup.
- • **Curve U2 Compliance:** Meets stringent UL 489A standards for dependable performance.
- • **Powerful Protection:** Experience unparalleled safety with a robust 63 Amp rating.
- • **Reliable Voltage Range:** Designed for 80/250 VDC, ensuring compatibility with various systems.
- • **Versatile Mounting Options:** Easily install with mini rail, din rail, or surface clip configurations.

## Overview

The SHAMROCK CONTROLS QY18U263B0 Circuit Breaker is a high-performance, single-pole circuit breaker rated for 63 amps and designed for DC voltage applications. It features versatile mounting options and complies with UL 489A standards, making it an ideal choice for both safety and reliability in electrical systems.

## Description

SHAMROCK CONTROLS QY18U263B0 Circuit Breaker, QY Series, UL489A, Curve U2, DC Voltage, 1 Pole, 63 amp

## Features

- QY Series Circuit Breaker
- Number of Poles - 1
- Rated Amperage - 63 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

![QY18U263B0 Circuit Breaker, QY Series, UL489A, Curve U2, DC Voltage, 1 Pole, 63 amp - Image 1](https://m.media-amazon.com/images/I/81OExy0-wAL.jpg)

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**Shop now:** [https://www.desertcart.co.th/products/38114075-qy18u263b0-circuit-breaker-qy-series-ul489a-curve-u2-dc-voltage](https://www.desertcart.co.th/products/38114075-qy18u263b0-circuit-breaker-qy-series-ul489a-curve-u2-dc-voltage)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-02-24*