---
product_id: 480433833
title: "350 Amp E-Series Battery Switches"
brand: "blue sea systems"
price: "1372 zł"
currency: PLN
in_stock: true
reviews_count: 5
category: "Blue Sea Systems"
url: https://www.desertcart.pl/products/480433833-350-amp-e-series-battery-switches
store_origin: PL
region: Poland
---

# 350A continuous rating IP66 waterproof protection 48V DC max voltage 350 Amp E-Series Battery Switches

**Brand:** blue sea systems
**Price:** 1372 zł
**Availability:** ✅ In Stock

## Summary

> ⚓ Command your power with confidence — the ultimate battery switch for pros who won’t settle.

## Quick Answers

- **What is this?** 350 Amp E-Series Battery Switches by blue sea systems
- **How much does it cost?** 1372 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/480433833-350-amp-e-series-battery-switches)

## 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

- • **Certified Safety:** Meets ISO 8846 and ABYC standards, ensuring compliance and peace of mind on the water.
- • **Seamless Control:** Push-button actuator with single circuit ON-OFF switching for intuitive battery management.
- • **Compact & Reliable:** Lightweight 408g design with sturdy copper/brass contacts for long-lasting connectivity.
- • **Powerhouse Performance:** Handles a robust 350 amps continuous current for demanding marine setups.
- • **Marine-Grade Durability:** IP66 waterproof and ignition protected, built to withstand harsh boat environments safely.

## Overview

The Blue Sea Systems 350 Amp E-Series Battery Switch is a high-performance, ignition-protected marine switch designed for single circuit ON-OFF control. Rated for 350 amps continuous current and up to 48V DC, it features IP66 waterproofing and meets ISO 8846 and ABYC safety standards. Its push-button actuator and durable copper/brass contacts ensure reliable operation in demanding marine environments, making it a trusted choice for professional boaters.

## Description

Blue Sea Systems 9004e e-Series Battery Switch, ON/Off AFD, Red : Blue Sea Systems: desertcart.in: Sports, Fitness & Outdoors

Review: Missing nut :(
Review: Prodotto di qualità

## Features

- Single Circuit ON-OFF. Switches a single battery to a single load group. Includes AFD (Alternator Field Disconnect)
- Ignition protected—safe for installation aboard gasoline powered boats
- IP66 waterproof, ISO 8846 and meets ABYC requirements
- Terminal Stud Size: 3/8" - 16
- Continuous rating: 350A, Maximum voltage: 48V DC

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000FOW1C6 |
| Actuator Type | Push Button |
| Batteries Included | No |
| Brand | Blue Sea Systems |
| Circuit Type | 1-way |
| Colour | Red |
| Compatible with | Boat electrical systems, alternators, batteries, and other marine electrical loads |
| Connectivity Protocol | Wi-Fi |
| Connector Type | Screw Terminals |
| Contact Material | Copper, Brass |
| Contact Type | Normally Open |
| Control Method | Push Button |
| Controller Type | Ring |
| Country of Origin | USA |
| Current Rating | 350 Amps |
| Customer Reviews | 4.7 4.7 out of 5 stars (2,240) |
| Date First Available | 6 August 2012 |
| Generic Name | Blue Sea Systems - 9004e Battery Switch ON/Off AFD, Red |
| Global Trade Identification Number | 00632085900458 |
| Height | 5 Inches |
| Included Components | Blue Sea Systems - 9004e Battery Switch ON/Off AFD, Red |
| International Protection Rating | IP66 |
| Item Dimensions LxWxH | 25.4 x 17.8 x 12.7 Centimeters |
| Item Weight | 408 g |
| Item dimensions L x W x H | 25.4 x 17.8 x 12.7 Centimeters |
| Length | 10 Inches |
| Lower Temperature Rating | 40 Degrees Celsius |
| Manufacturer | Blue Sea Systems |
| Material Type | Plastic |
| Net Quantity | 1.0 Count |
| Number of Items | 1 |
| Number of Pieces | 1 |
| Number of Positions | 2 |
| Operating Voltage | 48 Volts (DC) |
| Operation Mode | Off,On-off |
| Shape | As Shown |
| Size | No Size |
| Style | On-off W/Afd |
| Terminal | Plug In, Clamp, Crimp |
| Upper Temperature Rating | 85 Degrees Celsius |
| Usage | personal |
| Weight | 0.9 Pounds |
| Width | 7 Inches |

## Product Details

- **Connector Type:** Screw Terminals
- **Contact Type:** Normally Open
- **Current Rating:** 350 Amps
- **Operating Voltage:** 48 Volts (DC)
- **Operation Mode:** Off,On-off

## Images

![350 Amp E-Series Battery Switches - Image 1](https://m.media-amazon.com/images/I/81GiB0pzLRL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐ Review
*by S***O on 16 January 2026*

Missing nut :(

### ⭐⭐⭐⭐⭐ Review
*by V***L on 9 December 2025*

Prodotto di qualità

### ⭐⭐⭐⭐⭐ Review
*by A***N on 19 June 2025*

Quality you can feel. Note: Not the same mounting holes pattern that the older version.

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**Shop now:** [https://www.desertcart.pl/products/480433833-350-amp-e-series-battery-switches](https://www.desertcart.pl/products/480433833-350-amp-e-series-battery-switches)

---

*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-06-08*