---
product_id: 20918658
title: "Blue Sea Systems 7189 285 Series Thermal Circuit Breakers, Surface Mount, 48V DC, 150A"
brand: "blue sea systems"
price: "HK$634"
currency: HKD
in_stock: true
url: https://www.desertcart.hk/products/20918658-blue-sea-systems-7189-285-series-thermal-circuit-breakers-surface
store_origin: HK
region: Hong Kong
---

# 150A high current capacity Drop-in 185 series replacement Ignition protected for engine rooms Blue Sea Systems 7189 285 Series Thermal Circuit Breakers, Surface Mount, 48V DC, 150A

**Brand:** blue sea systems
**Price:** HK$634
**Availability:** ✅ In Stock

## Summary

> ⚡ Stay powered, stay protected — the breaker that never quits!

## Quick Answers

- **What is this?** Blue Sea Systems 7189 285 Series Thermal Circuit Breakers, Surface Mount, 48V DC, 150A by blue sea systems
- **How much does it cost?** HK$634 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/20918658-blue-sea-systems-7189-285-series-thermal-circuit-breakers-surface)

## Best For

- blue sea systems enthusiasts

## Why This Product

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

## Key Features

- • **Seamless Upgrade:** Direct drop-in replacement for 185 series breakers—no rewiring needed
- • **Engine Room Ready:** Ignition protected, perfect for gasoline-powered boat installations
- • **Confidence Built-In:** Backed by a 5-year warranty for long-term peace of mind
- • **Power Meets Precision:** Handles up to 150A for robust electrical control
- • **Fail-Safe Trip-Free Design:** Automatically trips on fault, preventing manual override for ultimate safety

## Overview

The Blue Sea Systems 7189 285 Series Thermal Circuit Breaker is a surface-mount, 48V DC, 150A breaker designed for reliable circuit protection and switching. It features a trip-free mechanism preventing manual override during faults, is ignition protected for safe engine room use, and serves as a direct drop-in replacement for the 185 series. Backed by a 5-year warranty, it ensures durable, high-performance electrical safety for marine and industrial applications.

## Description

Blue Sea Systems 7189 285 Series Thermal Circuit Breakers, Surface Mount, 48V DC, 150A

## Features

- Combine switching and circuit protection into single switch
- Drop in replacement for 185 series circuit breakers
- Trip-Free feature means switch cannot be held in ON position when a fault is detected
- Ignition protected; can be installed in engine rooms of gasoline powered boats
- Five-year warranty

## Product Details

- **Brand:** Blue Sea Systems
- **Current Rating:** 150 Amps
- **Circuit Breaker Type:** Standard circuit breaker
- **Mounting Type:** Surface Mount
- **Number Of Poles:** 1

## Images

![Blue Sea Systems 7189 285 Series Thermal Circuit Breakers, Surface Mount, 48V DC, 150A - Image 1](https://m.media-amazon.com/images/I/7141gXn4o6L.jpg)

## Available Options

This product comes in different **Pattern, Color, Style** options.

## Frequently Bought Together

- Blue Sea Systems 7189 285 Series Circuit Breaker, Surface Mount, 150 Amp, 48V DC
- Blue Sea Systems 5026 ST Blade Fuse Block 12 Circuit with Ground and Cover
- 10 Gauge Marine Wire,10 AWG 30ft Duplex Marine Grade Wire Tinned Copper Oxygen-Free Insulated Red& Black Electrical Cable for Boat/Automotive/RV/Camper/Trailer

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**Shop now:** [https://www.desertcart.hk/products/20918658-blue-sea-systems-7189-285-series-thermal-circuit-breakers-surface](https://www.desertcart.hk/products/20918658-blue-sea-systems-7189-285-series-thermal-circuit-breakers-surface)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-04-25*