---
product_id: 488434872
title: "WestinghouseUL 489 AC Miniature Circuit Breaker, 15 Amp, Single Pole, C Curve, 10kA, 277V AC, 60V DC, Non-Polarized, UL Listed, DIN Rail Breaker with Thermal Magnetic Trip"
brand: "westinghouse"
price: "247 Lei"
currency: RON
in_stock: true
url: https://www.desertcart.ro/products/488434872-westinghouseul-489-ac-miniature-circuit-breaker-15-amp-single-pole
store_origin: RO
region: Romania
---

# 15 Amp Power 277V AC Rating 10kA Protection WestinghouseUL 489 AC Miniature Circuit Breaker, 15 Amp, Single Pole, C Curve, 10kA, 277V AC, 60V DC, Non-Polarized, UL Listed, DIN Rail Breaker with Thermal Magnetic Trip

**Brand:** westinghouse
**Price:** 247 Lei
**Availability:** ✅ In Stock

## Summary

> ⚙️ Power Up Your Protection!

## Quick Answers

- **What is this?** WestinghouseUL 489 AC Miniature Circuit Breaker, 15 Amp, Single Pole, C Curve, 10kA, 277V AC, 60V DC, Non-Polarized, UL Listed, DIN Rail Breaker with Thermal Magnetic Trip by westinghouse
- **How much does it cost?** 247 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/488434872-westinghouseul-489-ac-miniature-circuit-breaker-15-amp-single-pole)

## Best For

- westinghouse enthusiasts

## Why This Product

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

## Key Features

- • **Safety First:** UL489 Certified for ultimate peace of mind.
- • **Rapid Response:** Current limiting design interrupts in half a cycle.
- • **Quality Assurance:** Approved by Underwriters Laboratories for reliability.
- • **Versatile Applications:** Perfect for HVAC, PLCs, and more.
- • **Effortless Installation:** Snaps onto DIN rails for quick setup.

## Overview

The Westinghouse UL 489 AC Miniature Circuit Breaker is a 15 Amp, single pole, C Curve breaker designed for robust thermal overload and short circuit protection. With a 10kA interrupting capacity and compatibility with both 277V AC and 60V DC, this UL Listed device is ideal for various applications including motor control circuits and HVAC systems. Its quick installation on DIN rails makes it a go-to choice for professionals seeking reliability and efficiency.

## Description

WestinghouseUL 489 AC Miniature Circuit Breaker, 15 Amp, Single Pole, C Curve, 10kA, 277V AC, 60V DC, Non-Polarized, UL Listed, DIN Rail Breaker with Thermal Magnetic Trip

## Features

- UL489 CERTIFIED: Meets National Electrical Code standards to serve as primary thermal overload and short circuit protection. Approved by Underwriters Laboratories for Branch Circuit Protection in US and Canada. UL File No. E517928.
- STANDARD INSTALLATION: Mini circuit breaker snaps on 35mm DIN rails or may be directly mounted to control panels. Typically used in motor control circuits, HVAC / HVACR equipment, input-output module protection for programmable logical controllers (PLC) and distributed control systems (DCS), relays and instrumentation - among other applications.
- SPECIFICATIONS: 1 Pack, 15 Amp / 1-Pole / C Curve MCB; rated for 10kAIC 277V AC with a direct current rating of 60V DC. Westinghouse Model No. WMBB1C15.
- CURRENT LIMITING: Westinghouse MCBs are designed to interrupt within the first half of the AC cycle compared to 1 to 2 AC cycles for conventional breakers.
- WHAT'S INCLUDED: (1) Single pole miniature circuit breaker only. DIN rail and installation kit sold separately.

## Images

![WestinghouseUL 489 AC Miniature Circuit Breaker, 15 Amp, Single Pole, C Curve, 10kA, 277V AC, 60V DC, Non-Polarized, UL Listed, DIN Rail Breaker with Thermal Magnetic Trip - Image 1](https://m.media-amazon.com/images/I/61f2jieTHYL.jpg)
![WestinghouseUL 489 AC Miniature Circuit Breaker, 15 Amp, Single Pole, C Curve, 10kA, 277V AC, 60V DC, Non-Polarized, UL Listed, DIN Rail Breaker with Thermal Magnetic Trip - Image 2](https://m.media-amazon.com/images/I/61uo-PvG8EL.jpg)
![WestinghouseUL 489 AC Miniature Circuit Breaker, 15 Amp, Single Pole, C Curve, 10kA, 277V AC, 60V DC, Non-Polarized, UL Listed, DIN Rail Breaker with Thermal Magnetic Trip - Image 3](https://m.media-amazon.com/images/I/812jz02NJ4L.jpg)
![WestinghouseUL 489 AC Miniature Circuit Breaker, 15 Amp, Single Pole, C Curve, 10kA, 277V AC, 60V DC, Non-Polarized, UL Listed, DIN Rail Breaker with Thermal Magnetic Trip - Image 4](https://m.media-amazon.com/images/I/71nN+uEtNqL.jpg)
![WestinghouseUL 489 AC Miniature Circuit Breaker, 15 Amp, Single Pole, C Curve, 10kA, 277V AC, 60V DC, Non-Polarized, UL Listed, DIN Rail Breaker with Thermal Magnetic Trip - Image 5](https://m.media-amazon.com/images/I/81+oIMiAgIL.jpg)

## Available Options

This product comes in different **Material Type, Style** options.

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-02-04*