---
product_id: 38779697
title: "QY28U2100 Circuit Breaker, QY Series, UL489A, Curve U2, DC Voltage, 2 Pole, 100 amp"
brand: "shamrock controls"
price: "VT2228"
currency: VUV
in_stock: false
reviews_count: 1
url: https://www.desertcart.vu/products/38779697-qy28u2100-circuit-breaker-qy-series-ul489a-curve-u2-dc-voltage
store_origin: VU
region: Vanuatu
---

# 100A Power 2 Poles 80/250V DC QY28U2100 Circuit Breaker, QY Series, UL489A, Curve U2, DC Voltage, 2 Pole, 100 amp

**Brand:** shamrock controls
**Price:** VT2228
**Availability:** ❌ Out of Stock

## Summary

> 🔒 Secure Your Power with Confidence!

## Quick Answers

- **What is this?** QY28U2100 Circuit Breaker, QY Series, UL489A, Curve U2, DC Voltage, 2 Pole, 100 amp by shamrock controls
- **How much does it cost?** VT2228 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/38779697-qy28u2100-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

- • **Curve U2 Efficiency:** Optimized for quick response to overloads and short circuits.
- • **Unmatched Protection:** Experience peace of mind with UL 489A certification.
- • **High Amperage Capacity:** Handle up to 100 amps for robust electrical systems.
- • **Dual Voltage Compatibility:** Supports both 80V and 250V DC for diverse applications.
- • **Versatile Mounting Options:** Easily install on mini rail, din rail, or surface clip.

## Overview

The QY28U2100 Circuit Breaker is a high-performance, UL 489A certified device designed for DC applications. With a robust 100 amp capacity and dual voltage support (80/250 VDC), this 2-pole breaker offers versatile mounting options, ensuring seamless integration into your electrical systems.

## Description

• Circuit Breaker size has a compact 13mm/module width  • Comes with Hydraulic-magnetic technology  • The trip point is unaffected by the temperature variations in the environment  • The circuit breaker holds 100% of the rated current independent of ambient temperature  • There is immediate resetting after a trip occurs  • Rated Interrupting Capacity - 10kA  • Termination - Box Terminal (Compression Terminal), Plug in Terminal  • Specifications met are UL489A Listed, VDE (EN 60947-2), CE   The circuit breaker has hydraulic-magnetic technology which ensures reduced nuisance tripping with temperature variance. After tripping occurs, the circuit breaker may be re-closed immediately since no cooling down time is necessary. It also has different mounting options for quick installation - DIN Rail, Surface Clip, and Dual Mounting (DIN & Mini) and compact size.

## Features

- QY Series Circuit Breaker
- Number of Poles - 2
- Rated Amperage - 100 Amp, Rated Voltage - 80/250 VDC
- Curve U2 and UL 489A Listed
- Mounting Options - Mini Rail, Din Rail, Surface Clip, QPI Plug in System

## Product Details

- **Brand:** SHAMROCK CONTROLS
- **Current Rating:** 100 Amps
- **Circuit Breaker Type:** Standard
- **Mounting Type:** DIN Rail Mount
- **Number Of Poles:** 2

## Images

![QY28U2100 Circuit Breaker, QY Series, UL489A, Curve U2, DC Voltage, 2 Pole, 100 amp - Image 1](https://m.media-amazon.com/images/I/81PtHWt+mlL.jpg)
![QY28U2100 Circuit Breaker, QY Series, UL489A, Curve U2, DC Voltage, 2 Pole, 100 amp - Image 2](https://m.media-amazon.com/images/I/71lQa-42EkL.jpg)
![QY28U2100 Circuit Breaker, QY Series, UL489A, Curve U2, DC Voltage, 2 Pole, 100 amp - Image 3](https://m.media-amazon.com/images/I/81XxlLsyhdL.jpg)
![QY28U2100 Circuit Breaker, QY Series, UL489A, Curve U2, DC Voltage, 2 Pole, 100 amp - Image 4](https://m.media-amazon.com/images/I/71+vbiPAKqL.jpg)
![QY28U2100 Circuit Breaker, QY Series, UL489A, Curve U2, DC Voltage, 2 Pole, 100 amp - Image 5](https://m.media-amazon.com/images/I/713z9IkEIUL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐ A true dc circuit breaker
*by A***R on December 8, 2018*

I use this breaker as short circuit protection in my car. I have tested it. It clears the short very quickly

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**Shop now:** [https://www.desertcart.vu/products/38779697-qy28u2100-circuit-breaker-qy-series-ul489a-curve-u2-dc-voltage](https://www.desertcart.vu/products/38779697-qy28u2100-circuit-breaker-qy-series-ul489a-curve-u2-dc-voltage)

---

*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-05-06*