---
product_id: 15619030
title: "SGP90300 300-AMP Circuit Breaker"
brand: "stinger"
price: "413 zł"
currency: PLN
in_stock: true
url: https://www.desertcart.pl/products/15619030-sgp90300-300-amp-circuit-breaker
store_origin: PL
region: Poland
---

# 300A Power Water Resistant 0/4 Gauge SGP90300 300-AMP Circuit Breaker

**Brand:** stinger
**Price:** 413 zł
**Availability:** ✅ In Stock

## Summary

> 🔋 Break the Limits with 300 Amps of Power!

## Quick Answers

- **What is this?** SGP90300 300-AMP Circuit Breaker by stinger
- **How much does it cost?** 413 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/15619030-sgp90300-300-amp-circuit-breaker)

## Best For

- stinger enthusiasts

## Why This Product

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

## Key Features

- • **Safety First:** Protective rubber bolt caps keep your connections safe and sound.
- • **Built to Last:** High-tech water-resistant housing ensures durability in any environment.
- • **Reset with a Push:** Unique push button reset doubles as a kill switch for ultimate control.
- • **Power Up Your Setup:** Directly connects 0 or 4 gauge power wire with ease.
- • **Fuses Are So Last Year:** Ditch the fuses; this circuit breaker is your new best friend.

## Overview

The STINGERSGP90300 300-AMP Circuit Breaker is a robust solution for your electrical needs, allowing direct connections of 0 or 4 gauge power wire. With a unique push button reset that also functions as a kill switch, this circuit breaker is designed for safety and convenience. Its high-tech water-resistant housing and protective rubber bolt caps ensure longevity and reliability, making it an essential component for any serious setup.

## Description

Stinger SGP90300 300-AMP Circuit Breaker

## Features

- Accepts direct connection of 0 or 4 gauge power wire with included adapters
- Use as an alternative to fuse holders and fuses
- Amperage: 300 Amperes
- These panel or fire wall mount circuit breakers feature a unique push button reset which can also be used as a kill switch
- High-tech water resistant housing with protective rubber bolt caps

## Images

![SGP90300 300-AMP Circuit Breaker - Image 1](https://m.media-amazon.com/images/I/51My8n7txOL.jpg)

## Available Options

This product comes in different **Product Packaging** options.

## Questions & Answers

**Q: What is the max diameter wire size in in/mm of the wire sockets? This unit will not fit 4/0 0000 wire that is actually needed for a 300 amp rating.**
A: 4/0 is rated for 440 amps
2/0 is rated for 325 amps…. Hope this helps

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**Shop now:** [https://www.desertcart.pl/products/15619030-sgp90300-300-amp-circuit-breaker](https://www.desertcart.pl/products/15619030-sgp90300-300-amp-circuit-breaker)

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-03-20*