---
product_id: 536243621
title: "Hi-Amp E9 T3 250A 3/8\" Studs Circuit Breaker with Manual Reset 12V - 48V DC | Waterproof IP67,Surface Mount, 250 Amp Switchable"
brand: "t tocas"
price: "€ 45.21"
currency: EUR
in_stock: true
reviews_count: 13
category: "T Tocas"
url: https://www.desertcart.ie/products/536243621-hi-amp-e9-t3-250a-3-8-studs-circuit-breaker
store_origin: IE
region: Ireland
---

# 250A max current capacity IP67 waterproof rating 3/8" stud size with 16 threads Hi-Amp E9 T3 250A 3/8" Studs Circuit Breaker with Manual Reset 12V - 48V DC | Waterproof IP67,Surface Mount, 250 Amp Switchable

**Brand:** t tocas
**Price:** € 45.21
**Availability:** ✅ In Stock

## Summary

> ⚡ Power up your protection with the breaker that never quits!

## Quick Answers

- **What is this?** Hi-Amp E9 T3 250A 3/8" Studs Circuit Breaker with Manual Reset 12V - 48V DC | Waterproof IP67,Surface Mount, 250 Amp Switchable by t tocas
- **How much does it cost?** € 45.21 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/536243621-hi-amp-e9-t3-250a-3-8-studs-circuit-breaker)

## Best For

- t tocas enthusiasts

## Why This Product

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

## Key Features

- • **Unmatched 250 Amp Power:** Handles heavy-duty DC circuits with ease, perfect for high-amp lithium battery setups and automotive projects.
- • **IP67 Waterproof Durability:** Built to withstand harsh environments—dust-tight and protected against powerful water jets for ultimate reliability.
- • **Certified & Ignition Protected:** Meets SAE and UL1500 standards, guaranteeing top-tier safety and compliance for automotive and industrial use.
- • **Versatile Surface Mount Design:** Compact 3.5" x 1.75" footprint with protective stud insulator, fitting seamlessly into any professional installation.
- • **Manual Reset for Safety & Control:** Trip-free design ensures fault currents can’t be bypassed, giving you peace of mind and easy reset capability.

## Overview

The Hi-Amp E9 T3 250A Circuit Breaker is a rugged, IP67 waterproof, surface-mount switch designed for 12V to 48V DC systems. Featuring a 3/8" stud size and a trip-free manual reset, it meets multiple SAE and UL ignition protection standards, making it the go-to choice for high-amp automotive and lithium battery applications demanding reliable, heavy-duty circuit protection.

## Description

Buy T Tocas Hi-Amp E9 T3 250A 3/8" Studs Circuit Breaker with Manual Reset 12V - 48V DC | Waterproof IP67,Surface Mount, 250 Amp Switchable: Circuit Breaker - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Best high amp 12 volt DC breaker by far!! - We use these T-Tocas high amp DC circuit breakers at my college for high amp lithium battery cable protection and as systems disconnects for out 12 volt DC Lithium battery arrays. They are far more durable than anything else on the market, and we have been teaching DC high amp 12 volt systems for 20 years. The Amp Capacity handles the high amp DC circuits we design and build for many years of very heavy usage. There are two stud orientations that allow excellent fit in all situations. Safety and quality and reliability are mandatory for 12 volt high amp systems, and only T-Tocas properly and consistently provides all this for the value you pay.
Review: Perfect for car audio projects! - I absolutely love these circuit breakers! They work and are convenient as as get out for car audio installs.

## Features

- Meet SAE J1428, J1625, J553( 200A), J1171, UL1500 (Ignition protected)
- Trip Free design cannot be held "ON" during fault current condition
- Housing is thermal plastic UL rated 94V0
- Stud Size: 3/8"-16 threads ;
- Max Voltage: 48V DC,
- 250 Amp Automotive Replacement Circuit Breaker
- Surface Mount, protective stud insulator included

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BVM11XM1 |
| Best Sellers Rank | #2,699 in Automotive ( See Top 100 in Automotive ) #3 in Automotive Replacement Circuit Breaker Switches |
| Brand | T Tocas |
| Circuit Breaker Type | Standard |
| Current Rating | 250 Amps |
| Date First Available | April 7, 2017 |
| Item Weight | 5.3 ounces |
| Item model number | Surface-Mount |
| Manufacturer | T Tocas |
| Mounting Type | Surface Mount |
| Number Of Poles | 1 |
| Product Dimensions | 3.5"D x 1.75"W x 1.89"H |
| Voltage | 48 Volts |

## Product Details

- **Brand:** T Tocas
- **Circuit Breaker Type:** Standard
- **Current Rating:** 250 Amps
- **Mounting Type:** Surface Mount
- **Product Dimensions:** 3.5"D x 1.75"W x 1.89"H

## Images

![Hi-Amp E9 T3 250A 3/8" Studs Circuit Breaker with Manual Reset 12V - 48V DC | Waterproof IP67,Surface Mount, 250 Amp Switchable - Image 1](https://m.media-amazon.com/images/I/71L9959c0tL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Best high amp 12 volt DC breaker by far!!
*by D***E on October 20, 2025*

We use these T-Tocas high amp DC circuit breakers at my college for high amp lithium battery cable protection and as systems disconnects for out 12 volt DC Lithium battery arrays. They are far more durable than anything else on the market, and we have been teaching DC high amp 12 volt systems for 20 years. The Amp Capacity handles the high amp DC circuits we design and build for many years of very heavy usage. There are two stud orientations that allow excellent fit in all situations. Safety and quality and reliability are mandatory for 12 volt high amp systems, and only T-Tocas properly and consistently provides all this for the value you pay.

### ⭐⭐⭐⭐⭐ Perfect for car audio projects!
*by T***. on December 30, 2025*

I absolutely love these circuit breakers! They work and are convenient as as get out for car audio installs.

### ⭐⭐⭐⭐⭐ Great CB
*by M***. on July 8, 2025*

Excellent CB, very easy to install and use as a switch with the easy reset button. Works as advertised and seem very well constructed.

## Frequently Bought Together

- T Tocas Hi-Amp 3/8“ Studs 250 Amp Circuit Breaker with Manual Reset Switchable for Boat Marine Car Audio Battery Solar System IP67,12V - 48V DC, (250a)
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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-07*