---
product_id: 681641554
title: "Spartan Power 300A Battery On/Off Disconnect Switch - Heavy Duty and Ignition Protected Cut-Off Switch for Rv, Marine and Automotive Battery - 12V A 48V - Red"
brand: "spartan power"
price: "€ 87.79"
currency: EUR
in_stock: false
reviews_count: 5
category: "Spartan Power"
url: https://www.desertcart.com.cy/products/681641554-spartan-power-300a-battery-on-off-disconnect-switch-heavy-duty
store_origin: CY
region: Cyprus
---

# 900A crank rating for 30 seconds 300A continuous current rating Easy panel mount with included screws Spartan Power 300A Battery On/Off Disconnect Switch - Heavy Duty and Ignition Protected Cut-Off Switch for Rv, Marine and Automotive Battery - 12V A 48V - Red

**Brand:** spartan power
**Price:** € 87.79
**Availability:** ❌ Out of Stock

## Summary

> 🔴 Take charge, cut power, and never get caught powerless again!

## Quick Answers

- **What is this?** Spartan Power 300A Battery On/Off Disconnect Switch - Heavy Duty and Ignition Protected Cut-Off Switch for Rv, Marine and Automotive Battery - 12V A 48V - Red by spartan power
- **How much does it cost?** € 87.79 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/681641554-spartan-power-300a-battery-on-off-disconnect-switch-heavy-duty)

## Best For

- spartan power enthusiasts

## Why This Product

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

## Key Features

- • **Power That Lasts:** Handles up to 300A continuous current to keep your systems running strong.
- • **Effortless Control:** Simple 2-position knob with a satisfying click for quick, intuitive on/off operation.
- • **Versatile Mounting:** Mounts front, back, or surface panel with included screws for seamless installation.
- • **Battery Life Maximizer:** Cut off power drain when idle to extend your battery’s lifespan and avoid unexpected failures.
- • **Ignition-Proof Performance:** Withstands surges up to 900A for 30 seconds, protecting your battery during startup.

## Overview

The Spartan Power 300A Battery On/Off Disconnect Switch is a heavy-duty, ignition-protected kill switch designed for RVs, marine, and automotive batteries up to 48V DC. Rated for 300A continuous current and surges up to 900A, it features a simple 2-position knob, versatile mounting options, and includes screws for easy installation. Engineered to prevent battery drain and extend battery life, it’s trusted by professionals and DIYers alike.

## Description

Take Control - Save your battery and control your DC current with the Spartan Power Mini On/Off Switch, a simple yet durable and effective button switch that allows you to completely remove the power being consumed from your battery or solar installation when not in use, preventing unnecessary wear and extending the life of your battery or power bank. Cabinet design allows for surface, front panel or back panel mounting. Insulating cover with snap-in sections protects back contacts. Spartan Power battery switch has a crank rating of 900A for 30 seconds, 500A for 5 minutes, and a continuous 300A rating. Spartan Power 300A ON/OFF Battery Switch Specifications: Switch Type: Single Circuit ON-OFF; Switch Positions: 2; Battery Combination: No; Toggle Field Disconnect: No; Maximum Voltage: 48V DCC; Pin Size: 3/8″; Terminal Pin Torque: 120 in-lb (13.56 Nm); Continuous Rating: 300A; Flashing Rating: 500A (5 min); Starter Rating: 900A (30 seconds); Battery Inputs: 1; Cable Clearance for 4/0 AWG 1.12" Cables (28.5mm); Cable Size to Meet Rating: 4/0 AWG (120 mm²); Mounting Holes: Accept No. 10 Screw; Pin Material: Tinned Copper; Pin Torque: 120 in-lb (13.56 Nm); Terminal Pin Size: 3/8″ – 16(M10); Weight: 0.66 lb

Review: Solid, durable and built to last.
Review: Great battery cutoff switch.

## Features

- Save your battery: The Spartan battery on/off switch prevents any current from being taken out of the battery when your RV, van, boat or car is not in use; Disconnect your battery safely and extend its life!
- Ignition Protected: Our switch has a crank rating that supports 900A for 30 seconds, 500A for 5 minutes and 300A continuously, protecting against fluctuations in current during ignition
- Simple 2-position design: Our simple design is easy to read and operate, just turn the knob to the On or Off position and a satisfactory click will inform you that it has been changed
- Screws Included: The housing design allows for mounting on the front or back panel, and we are now including screws for easy installation on your DC system
- Powering People: Helping people arm themselves with the right tools and accessories, Spartan Power manufactures ultra-high quality, durable and durable products; Approved by professionals, enthusiasts and DIYers everywhere

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09WZF17KB |
| Actuator Type | Push Button |
| Brand | Spartan Power |
| Brand Name | Spartan Power |
| Circuit Type | 1-way |
| Color | red |
| Connector Type | screw |
| Connector type | screw |
| Contact Material | Copper |
| Contact Type | Normally Open |
| Contact type | Normally Open |
| Current Rating | 300 Amps |
| Current rating | 300 Amps |
| Customer Reviews | 4.7 out of 5 stars 265 Reviews |
| International Protection Rating | IP54 |
| Item Dimensions | 8.3 x 8.3 x 9.1 centimeters |
| Manufacturer | Spartan Power |
| Material Type | Copper |
| Model | SP-BS300A-RED |
| Mounting Type | Panel Mount, Surface Mount, Front/Back Panel Mount |
| Number of Items | 1 |
| Number of Positions | 2 |
| Operating Voltage | 48 Volts (DC) |
| Operating voltage | 48 Volts (DC) |
| Operation Mode | ON-OFF |
| Operation mode | ON-OFF |
| Specification Met | UL |
| Switch Type | Kill Switch |
| Terminal | Screw |
| UPC | 810019984327 |
| Unit Count | 1 Count |
| Wattage | 14400 watts |

## Product Details

- **Connector type:** screw
- **Contact type:** Normally Open
- **Current rating:** 300 Amps
- **Operating voltage:** 48 Volts (DC)
- **Operation mode:** ON-OFF

## Images

![Spartan Power 300A Battery On/Off Disconnect Switch - Heavy Duty and Ignition Protected Cut-Off Switch for Rv, Marine and Automotive Battery - 12V A 48V - Red - Image 1](https://m.media-amazon.com/images/I/61gm46lFOLL.jpg)
![Spartan Power 300A Battery On/Off Disconnect Switch - Heavy Duty and Ignition Protected Cut-Off Switch for Rv, Marine and Automotive Battery - 12V A 48V - Red - Image 2](https://m.media-amazon.com/images/I/712Je3xRR5L.jpg)
![Spartan Power 300A Battery On/Off Disconnect Switch - Heavy Duty and Ignition Protected Cut-Off Switch for Rv, Marine and Automotive Battery - 12V A 48V - Red - Image 3](https://m.media-amazon.com/images/I/71Hu2ywZLtL.jpg)
![Spartan Power 300A Battery On/Off Disconnect Switch - Heavy Duty and Ignition Protected Cut-Off Switch for Rv, Marine and Automotive Battery - 12V A 48V - Red - Image 4](https://m.media-amazon.com/images/I/71bIe-LFsYL.jpg)
![Spartan Power 300A Battery On/Off Disconnect Switch - Heavy Duty and Ignition Protected Cut-Off Switch for Rv, Marine and Automotive Battery - 12V A 48V - Red - Image 5](https://m.media-amazon.com/images/I/71xQD1JUFzL.jpg)

## Questions & Answers

**Q: can I use this on a 12 battery bank for a small solar system - max 250amp dc ..... ???**
A: Yes, this switch has a max of 48V, so 12V 250A is fine.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Solid, durable and built to last.
*by R***S on 19 January 2026*



### ⭐⭐⭐⭐⭐ Great battery cutoff switch.
*by W***B on 7 December 2025*



### ⭐⭐⭐⭐⭐ Nice replacement
*by J***M on 1 January 2026*



## Frequently Bought Together

- Spartan Power Battery ON/Off Disconnect Switch 300A - Ignition Protected, Heavy Duty Cutoff Switch for RV, Marine, and Automotive Battery - 12V to 48V - Red
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**Shop now:** [https://www.desertcart.com.cy/products/681641554-spartan-power-300a-battery-on-off-disconnect-switch-heavy-duty](https://www.desertcart.com.cy/products/681641554-spartan-power-300a-battery-on-off-disconnect-switch-heavy-duty)

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*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-03-02*