---
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: "₩64475"
currency: KRW
in_stock: true
category: "Nilight"
url: https://www.desertcart.kr/products/604442117-nilight-battery-disconnect-switch-300a-master-disconnector-isolator-12v-48v
store_origin: KR
region: South Korea
---

# 300A continuous current rating Secure On-Off master disconnector Durable ABS & copper build 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:** ₩64475
**Availability:** ✅ In Stock

## Summary

> 🔋 Cut the power, not the adventure — stay charged, stay secure!

## 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?** ₩64475 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/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

- • **Lock & Secure:** Two-position rotary switch with lockable design to prevent accidental power drain and unauthorized use.
- • **Built to Endure:** Heavy-duty ABS plastic housing paired with premium copper terminals ensures abrasion resistance and long-lasting durability.
- • **Power Cutoff Mastery:** Instantly isolate your battery with a robust 300A continuous rating for ultimate control and safety.
- • **Universal Compatibility:** Seamlessly integrates with 12-32V DC systems—perfect for cars, boats, RVs, ATVs, and more.
- • **Weather-Resistant Reliability:** IP54-rated protection means your battery disconnect switch stands strong against dust and water splashes.

## Overview

The Nilight Battery Disconnect Switch 300A is a heavy-duty, rotary On-Off master isolator designed for 12-32V DC systems. Featuring a durable ABS plastic housing and premium copper terminals, it delivers a continuous current rating of 300 amps and a cranking rating of 1000 amps for 30 seconds. Its IP54 rating ensures reliable performance in harsh environments, making it ideal for vehicles, marine boats, RVs, and more. The switch prevents battery drain by safely disconnecting power and can be locked for added security.

## Description

Buy 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: Battery Switches - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## 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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CR5GZ8H6 |
| Actuator Type | Rotary |
| Best Sellers Rank | #504 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 A |
| Customer Reviews | 3.6 3.6 out of 5 stars (60) |
| 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 °C |
| Manufacturer | Nilight |
| Material Type | Copper, Plastic |
| Model | 90330A |
| Mounting Type | Panel Mount |
| Number of Items | 1 |
| Number of Positions | 1 |
| Operating Voltage | 12 volts_of_direct_current |
| Operation Mode | ON-OFF |
| Part Number | 90330A |
| Specification Met | 1 |
| Switch Type | Kill Switch |
| Terminal | Screw |
| UPC | 840323914291 |
| Unit Count | 1 Count |
| Upper Temperature Rating | 1 °C |

## Product Details

- **Brand:** Nilight
- **Connector Type:** Plug In
- **Contact Type:** Normally Open
- **Current Rating:** 300 A
- **Item dimensions L x W x H:** 1 x 1 x 1 inches
- **Material:** Copper, Plastic
- **Operating Voltage:** 12 volts_of_direct_current
- **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.kr/products/604442117-nilight-battery-disconnect-switch-300a-master-disconnector-isolator-12v-48v](https://www.desertcart.kr/products/604442117-nilight-battery-disconnect-switch-300a-master-disconnector-isolator-12v-48v)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-08-29*