---
product_id: 57324001
title: "Blue Sea Systems - Battery Switch ON/Off AFD"
brand: "blue sea systems"
price: "729 Lei"
currency: RON
in_stock: true
reviews_count: 8
category: "Blue Sea Systems"
url: https://www.desertcart.ro/products/57324001-blue-sea-systems-battery-switch-on-off-afd
store_origin: RO
region: Romania
---

# 350A continuous current 4-position seamless switching IP66 waterproof & dustproof Blue Sea Systems - Battery Switch ON/Off AFD

**Brand:** blue sea systems
**Price:** 729 Lei
**Availability:** ✅ In Stock

## Summary

> 🔋 Effortless power control that keeps you ahead of the pack.

## Quick Answers

- **What is this?** Blue Sea Systems - Battery Switch ON/Off AFD by blue sea systems
- **How much does it cost?** 729 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/57324001-blue-sea-systems-battery-switch-on-off-afd)

## 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

- • **Compact Yet Mighty:** Sleek panel-mount design fits easily in tight spaces while handling up to 350 amps continuous current.
- • **Weatherproof Warrior:** IP66 rating means this switch thrives in harsh marine or automotive environments—rain or shine, it performs.
- • **Built to Last, Copper Core:** Single-piece tinned copper terminals maintain shape and conductivity over time—durability you can trust.
- • **Power Through Without Pause:** Switch batteries on-the-fly without risking alternator damage—keep your engine running smoothly.
- • **Trusted by Pros, Loved by Users:** 4.7-star rating from 1,500+ reviews proves this is the go-to battery selector for serious power management.

## Overview

The Blue Sea Systems Battery Switch ON/Off AFD is a robust 4-position selector switch designed for continuous 350A current handling. Featuring tinned copper terminals for long-lasting reliability and an IP66 rating for superior environmental protection, it allows safe battery switching while the engine runs, preventing alternator damage. Compact and panel-mountable, it’s engineered in the USA and highly rated by professionals for seamless power management in automotive and marine applications.

## Description

Blue Sea Systems 4-Position Battery Selector Switch Battery Switch 4 Postion No Lock : desertcart.co.uk: Automotive

Review: Very happy. - Well made and solid. Very happy. Just make sure you connect the right leads to the correct terminals on the back to avoid a fair bit of confused head scratching… It’s obvious and well labeled so just blame user error…
Review: Five Stars - Excellent product

## Features

- 350A continuous internal petrol and diesel engine.
- The AFD models allow you to change while the engine is running without damaging the alternator.
- A single piece of tinned copper terminals that do not lose their shape with the passage of time.
- Item Package Dimension: 10.0 cm L x 16.2 cm W x 22.2 cm H

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000K2MCR2 |
| Actuator Type | Push Button |
| Best Sellers Rank | 83,582 in Automotive ( See Top 100 in Automotive ) 224 in Car Battery Switches |
| Brand | Blue Sea Systems |
| Circuit Type | 4-way |
| Colour | Black |
| Connectivity Protocol | X-10 |
| Connector Type | Screw |
| Contact Material | Copper |
| Contact Type | Normally Open |
| Control Method | Touch |
| Controller Type | Ring |
| Country Of Origin | USA |
| Current Rating | 350 Amps |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,504) |
| EU Spare Part Availability Duration | 5 Years |
| Global Trade Identification Number | 00632085900151 |
| Included Components | BATTERY SELECTOR 4-WAY |
| International Protection Rating | IP66 |
| Item Dimensions | 7.4 x 16.2 x 21.9 centimetres |
| Item Type Name | BATTERY SELECTOR 4-WAY |
| Item Weight | 0.59 Kilograms |
| Lower Temperature Rating | 1 Degrees Celsius |
| Manufacturer | Blue Sea Systems |
| Material | Plastic |
| Model Number | 9001e |
| Mounting Type | Panel Mount |
| Number of Items | 1 |
| Number of Positions | 1 |
| Operating Voltage | 32 Volts |
| Operation Mode | ON-OFF |
| Switch Type | Selector 4 Position |
| Terminal | Screw |
| UPC | 632085900151 |
| Unit Count | 1.0 count |
| Upper Temperature Rating | 5 Degrees Celsius |
| Wattage | 4200 watts |

## Product Details

- **Brand:** Blue Sea Systems
- **Connector type:** Screw
- **Contact type:** Normally Open
- **Current rating:** 350 Amps
- **Item dimensions L x W x H:** 7.4 x 16.2 x 21.9 centimetres
- **Material:** Plastic
- **Operating voltage:** 32 Volts
- **Operation mode:** ON-OFF
- **Switch type:** Selector 4 Position
- **Terminal:** Screw

## Images

![Blue Sea Systems - Battery Switch ON/Off AFD - Image 1](https://m.media-amazon.com/images/I/81n-ap+0lPL.jpg)
![Blue Sea Systems - Battery Switch ON/Off AFD - Image 2](https://m.media-amazon.com/images/I/51tvx4OvJML.jpg)
![Blue Sea Systems - Battery Switch ON/Off AFD - Image 3](https://m.media-amazon.com/images/I/51zM3e8DqxL.jpg)
![Blue Sea Systems - Battery Switch ON/Off AFD - Image 4](https://m.media-amazon.com/images/I/41KL7mdJ2LL.jpg)
![Blue Sea Systems - Battery Switch ON/Off AFD - Image 5](https://m.media-amazon.com/images/I/41FtrX+zt3L.jpg)

## Available Options

This product comes in different **Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Very happy.
*by A***R on 13 March 2024*

Well made and solid. Very happy. Just make sure you connect the right leads to the correct terminals on the back to avoid a fair bit of confused head scratching… It’s obvious and well labeled so just blame user error…

### ⭐⭐⭐⭐⭐ Five Stars
*by T***S on 23 March 2018*

Excellent product

### ⭐⭐⭐⭐⭐ Great product!
*by J***E on 29 August 2017*

Great, very good. I should have bought two. Fast shipping and the product is satisfactorily functional for it's intended purpose. These are really cool We were very pleased to have them. Seems well built and good quality Just thrilled with this item!!!

## Frequently Bought Together

- Blue Sea Systems 9001E e-Series Battery Switch, Selector 4 Position, Red
- Blue Sea Systems 5026 ST Blade Fuse Block 12 Circuit with Ground and Cover
- 14 Gauge Marine Wire,100ft 14 AWG Duplex Marine Grade Wire Tinned Copper Boat Electrical Cable for Boat/Automotive/RV/Camper/Trailer Outdoor Use

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**Shop now:** [https://www.desertcart.ro/products/57324001-blue-sea-systems-battery-switch-on-off-afd](https://www.desertcart.ro/products/57324001-blue-sea-systems-battery-switch-on-off-afd)

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-03-25*