---
product_id: 10891589
title: "Blue Sea Systems On/Off Battery Isolator Switch With Locking Key, Black, 6005200 m‑Series"
brand: "blue sea systems"
price: "399 Lei"
currency: RON
in_stock: true
reviews_count: 13
category: "Blue Sea Systems"
url: https://www.desertcart.ro/products/10891589-blue-sea-systems-on-off-battery-isolator-switch-with-locking
store_origin: RO
region: Romania
---

# 300A current rating Removable locking key 3 flexible mounting options Blue Sea Systems On/Off Battery Isolator Switch With Locking Key, Black, 6005200 m‑Series

**Brand:** blue sea systems
**Price:** 399 Lei
**Availability:** ✅ In Stock

## Summary

> 🔋 Master your marine power with the switch that locks down safety and flexibility!

## Quick Answers

- **What is this?** Blue Sea Systems On/Off Battery Isolator Switch With Locking Key, Black, 6005200 m‑Series by blue sea systems
- **How much does it cost?** 399 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/10891589-blue-sea-systems-on-off-battery-isolator-switch-with-locking)

## 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

- • **Ignition-Proof Safety:** Certified safe for gasoline engine compartments, meeting strict marine standards ⛽
- • **Lock & Secure Your Power:** Removable key prevents accidental or unauthorized battery use 🔐
- • **Powerful 300 Amp Capacity:** Handles heavy-duty marine electrical loads with ease ⚡
- • **Durable Copper Connections:** One-piece tin-plated copper studs accept multiple cables for reliable, corrosion-resistant contact 🔩
- • **Fits Anywhere, Installs Anywhere:** Compact design with surface, front, or rear panel mounting flexibility 🔧

## Overview

The Blue Sea Systems 6005200 m-Series Battery Isolator Switch is a compact, high-capacity 300A on/off switch designed for single battery-to-load control. Featuring a removable locking key for security, ignition protection for safe engine room installation, and versatile mounting options, it ensures reliable, corrosion-resistant connections with tin-plated copper studs. Ideal for professional marine and RV applications, it combines safety, durability, and space-saving design with a lifetime warranty.

## Description

This compact battery switch is designed to manage a single battery connected to a single load group and supports flexible installation in a variety of panel or engine room layouts. Its small footprint and three available mounting options make it suitable for areas with limited space. The switch includes ignition protection for use in gasoline powered engine compartments, allowing safe placement in locations that require protected components. The tactile surface of the switch face and the removable knob help support operation in low light conditions and contribute to preventing unintended power flow during electrical system service. Tin plated copper terminal studs are built as a single piece and provide sufficient length for connecting multiple cables while supporting secure fastening. With its combination of protective features, connection capacity, and adaptable mounting options, this switch offers a practical solution for managing basic battery control needs in marine electrical systems.

Review: Rugged and good quality. - Rugged switch. Detent is strong and secure. Easy install.
Review: Solid Product - Like all Blue Seas products well built. This is great for campers and boats where the disconnect is accessible from the outside. It deters the troublemakers.

## Features

- COMPACT DESIGN: Supports installation in tight spaces; helps fit the unit into limited mounting areas
- MOUNTING OPTIONS: Offers surface, rear, or front mounting choices; allows flexible placement to suit various panel layouts
- ON OFF SWITCH: Features a removable knob to help prevent accidental current flow in the DC system; supports safer handling during electrical system service
- IGNITION PROTECTION: Suitable for installation in engine rooms of gasoline powered boats; helps meet location requirements for protected components
- COPPER STUDS: One piece tin plated copper studs measure 7/8 in and accept multiple cables; provide a durable connection point
- Switches a single battery to a single load group (on/off)
- Includes removable key (in off position) for added security
- Ignition protected-safe for installation in gasoline engine compartments
- Case design allows surface, front panel, or rear panel mounting

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00EQ34K5S |
| Actuator Type | Hinge Lever |
| Best Sellers Rank | #1,747 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #1 in Boat Battery Switches |
| Brand | Blue Sea Systems |
| Brand Name | Blue Sea Systems |
| Circuit Type | 1-way |
| Color | Black |
| Compatible Devices | Marine electronics, lights, and other high-power DC devices |
| Compatible with Vehicle Type | Boat (Gasoline) |
| Connectivity Protocol | X-10 |
| Connector Type | Clamp |
| Contact Material | Tinned Copper |
| Contact Type | Normally Closed |
| Control Method | Touch |
| Control Type | Manual |
| Current Rating | 300 Amps |
| Customer Reviews | 4.5 out of 5 stars 100 Reviews |
| Global Trade Identification Number | 00632085600525 |
| Included Components | Battery Switch |
| International Protection Rating | IP66 |
| Item Dimensions | 7 x 4 x 3 inches |
| Item Type Name | boating-electrical-equipment |
| Item Weight | 0.62 Pounds |
| Lower Temperature Rating | 1 Degrees Celsius |
| Manufacturer | Blue Sea Systems |
| Material Type | Plastic |
| Model | 6005200-BSS |
| Mounting Type | Panel Mount |
| Number of Items | 1 |
| Number of Positions | 1 |
| Operating Voltage | 48 Volts |
| Operation Mode | ON-OFF |
| Part Number | 6005200-BSS |
| Smart Home Compatibility | Not Smart Home Compatible |
| Specification Met | Iso |
| Switch Type | Single Circuit On-off |
| Terminal | 2p6t |
| UPC | 632085600525 |
| Unit Count | 1.0 Count |
| Upper Temperature Rating | 1 Degrees Celsius |
| Warranty Description | Lifetime |
| Wattage | 14400 watts |

## Product Details

- **Brand:** Blue Sea Systems
- **Connector Type:** Clamp
- **Contact Type:** Normally Closed
- **Current Rating:** 300 Amps
- **Item dimensions L x W x H:** 7 x 4 x 3 inches
- **Material:** Plastic
- **Operating Voltage:** 48 Volts
- **Operation Mode:** ON-OFF
- **Switch Type:** Single Circuit On-off
- **Terminal:** 2p6t

## Images

![Blue Sea Systems On/Off Battery Isolator Switch With Locking Key, Black, 6005200 m‑Series - Image 1](https://m.media-amazon.com/images/I/81asJBrxokL.jpg)
![Blue Sea Systems On/Off Battery Isolator Switch With Locking Key, Black, 6005200 m‑Series - Image 2](https://m.media-amazon.com/images/I/713axXc4xGL.jpg)
![Blue Sea Systems On/Off Battery Isolator Switch With Locking Key, Black, 6005200 m‑Series - Image 3](https://m.media-amazon.com/images/I/71H5OViAhEL.jpg)
![Blue Sea Systems On/Off Battery Isolator Switch With Locking Key, Black, 6005200 m‑Series - Image 4](https://m.media-amazon.com/images/I/81do5QAKgWL.jpg)
![Blue Sea Systems On/Off Battery Isolator Switch With Locking Key, Black, 6005200 m‑Series - Image 5](https://m.media-amazon.com/images/I/81KcTHgjDhL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Rugged and good quality.
*by R***Y on April 7, 2026*

Rugged switch. Detent is strong and secure. Easy install.

### ⭐⭐⭐⭐⭐ Solid Product
*by N***M on October 25, 2016*

Like all Blue Seas products well built. This is great for campers and boats where the disconnect is accessible from the outside. It deters the troublemakers.

### ⭐⭐⭐⭐⭐ Great little switch
*by H***Y on November 12, 2017*

Works great, nice to be able to shut battery power off to all accessories.

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.ro/products/10891589-blue-sea-systems-on-off-battery-isolator-switch-with-locking](https://www.desertcart.ro/products/10891589-blue-sea-systems-on-off-battery-isolator-switch-with-locking)

---

*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-06-28*