---
product_id: 604442117
title: "Nilight Battery Disconnect Switch 300A Master Disconnector Isolator 12V-48V On Off Power Cutoff Switches Waterproof Heavy Duty for Marine Boat Car RV ATV UTV Yacht"
brand: "nilight"
price: "186.53 DT"
currency: TND
in_stock: true
category: "Nilight"
url: https://www.desertcart.tn/products/604442117-nilight-battery-disconnect-switch-300a-master-disconnector-isolator-12v-48v
store_origin: TN
region: Tunisia
---

# 300A continuous rating Waterproof IP54 rating Secure On-Off isolation Nilight Battery Disconnect Switch 300A Master Disconnector Isolator 12V-48V On Off Power Cutoff Switches Waterproof Heavy Duty for Marine Boat Car RV ATV UTV Yacht

**Brand:** nilight
**Price:** 186.53 DT
**Availability:** ✅ In Stock

## Summary

> 🔋 Cut the power, not your adventure – stay charged, stay ready!

## Quick Answers

- **What is this?** Nilight Battery Disconnect Switch 300A Master Disconnector Isolator 12V-48V On Off Power Cutoff Switches Waterproof Heavy Duty for Marine Boat Car RV ATV UTV Yacht by nilight
- **How much does it cost?** 186.53 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/604442117-nilight-battery-disconnect-switch-300a-master-disconnector-isolator-12v-48v)

## Best For

- nilight enthusiasts

## Why This Product

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

## Key Features

- • **Premium Durability:** ABS plastic housing and copper terminals resist aging and abrasion for long-lasting safety.
- • **Powerhouse Protection:** Safeguard your battery with a robust 300A continuous rating for heavy-duty performance.
- • **Plug & Play Simplicity:** Straightforward rotary On-Off control with included wiring diagram for hassle-free installation.
- • **Built to Brave the Elements:** Waterproof IP54 design ensures reliable operation in marine and outdoor environments.
- • **Lock & Leave with Confidence:** Easily isolate your vehicle or boat’s battery to prevent drain and unauthorized use.

## Overview

The Nilight Battery Disconnect Switch is a heavy-duty, waterproof master isolator rated for 300A continuous current, designed to safely cut off power in 12-48V systems. Built with durable ABS plastic and premium copper terminals, it prevents battery drain and unauthorized use across cars, boats, RVs, and more. Featuring a simple rotary On-Off operation and IP54 protection, it’s engineered for reliable, long-lasting performance backed by a 2-year warranty.

## Description

Nilight Battery Disconnect Switch 300A Master Disconnect Isolator 12V-48V On Off Power Cutoff Switch Waterproof Heavy Duty for Marine Boat Car RV ATV UTV Yacht, 2 Years Warranty: desertcart.com: Industrial & Scientific

## Features

- Heavy Duty: ABS plastic housing and premium copper terminal, durable made for safety use, not easy to aging and abrasion resistant, to ensure maximum strength and durability for long lasting usage.
- Purpose: eliminate any power from the battery when vehicle or boat is not in use, disconnects the battery safely. Avoid battery drain off.
- Operation: On-Off, 2 positions, Continuous Rating : 300Amps 32VDC Max. Intermittent Rating : 450 Amps, Cranking Rating : 1000 Amps 30 sec.
- Compatible: used for 12 - 32VDC systems to isolate and secure the electrical system, can stand alone or be locked together with other switch.Widely used for cars, marine boats, RVs, campers, travel trailers, trucks, ATVs, UTVs, battery banks and other devices.
- Package include:1x 300A battery disconnect switch with a wiring diagram. 2 Year Warranty by Nilight.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CR5GZ8H6 |
| Actuator Type | Rotary |
| Best Sellers Rank | #529 in Automotive ( See Top 100 in Automotive ) #2 in Automotive Replacement Battery Switches |
| Brand Name | Nilight |
| Circuit Type | 1-way |
| Color | 1Pcs On-Off Switch 300A |
| Connectivity Protocol | X-10 |
| Connector Type | Plug In |
| Contact Material | Copper |
| Contact Type | Normally Open |
| Control Method | Touch |
| Current Rating | 300 Amps |
| Customer Reviews | 4.6 4.6 out of 5 stars (6,845) |
| EU Spare Part Availability Duration | 2 Years |
| Included Components | 1x 300A battery disconnect switch with a wiring diagram |
| International Protection Rating | IP54 |
| Item Dimensions | 1 x 1 x 1 inches |
| Lower Temperature Rating | 1 Degrees Celsius |
| Manufacturer | Nilight |
| Material Type | Copper, Plastic |
| Model | 90330A |
| Mounting Type | Panel Mount |
| Number of Items | 1 |
| Number of Positions | 1 |
| Operating Voltage | 12 Volts (DC) |
| Operation Mode | ON-OFF |
| Part Number | 90330A |
| Specification Met | 1 |
| Switch Type | Kill Switch |
| Terminal | Screw |
| UPC | 840323914291 |
| Unit Count | 1.0 Count |
| Upper Temperature Rating | 1 Degrees Celsius |

## Product Details

- **Brand:** Nilight
- **Connector Type:** Plug In
- **Contact Type:** Normally Open
- **Current Rating:** 300 Amps
- **Item dimensions L x W x H:** 1 x 1 x 1 inches
- **Material:** Copper, Plastic
- **Operating Voltage:** 12 Volts (DC)
- **Operation Mode:** ON-OFF
- **Switch Type:** Kill Switch
- **Terminal:** Screw

## Images

![Nilight Battery Disconnect Switch 300A Master Disconnector Isolator 12V-48V On Off Power Cutoff Switches Waterproof Heavy Duty for Marine Boat Car RV ATV UTV Yacht - Image 1](https://m.media-amazon.com/images/I/61oqNZe2idL.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.tn/products/604442117-nilight-battery-disconnect-switch-300a-master-disconnector-isolator-12v-48v](https://www.desertcart.tn/products/604442117-nilight-battery-disconnect-switch-300a-master-disconnector-isolator-12v-48v)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-07-26*