---
product_id: 89349881
title: "4Pin Auto Starter Relay 12V DC 500 Amp Vehicle SPST Contactor Double Batteries Isolator Control On/Off Switch, Heavy Duty, High Current, with Connection Accessory"
brand: "winjun"
price: "€ 14.12"
currency: EUR
in_stock: false
reviews_count: 8
url: https://www.desertcart.hr/products/89349881-4pin-auto-starter-relay-12v-dc-500-amp-vehicle-spst
store_origin: HR
region: Croatia
---

# 4Pin Auto Starter Relay 12V DC 500 Amp Vehicle SPST Contactor Double Batteries Isolator Control On/Off Switch, Heavy Duty, High Current, with Connection Accessory

**Brand:** winjun
**Price:** € 14.12
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** 4Pin Auto Starter Relay 12V DC 500 Amp Vehicle SPST Contactor Double Batteries Isolator Control On/Off Switch, Heavy Duty, High Current, with Connection Accessory by winjun
- **How much does it cost?** € 14.12 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/89349881-4pin-auto-starter-relay-12v-dc-500-amp-vehicle-spst)

## Best For

- winjun enthusiasts

## Why This Product

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

## Description

WINJUN 4Pin Auto Starter Relay 12V DC 500 Amp Vehicle SPST Contactor Double Batteries Isolator Control On/Off Switch, Heavy Duty, High Current, with Connection Accessory: desertcart.com: Industrial & Scientific

Review: Must use ground wire. - RV vehicle/house battery separator. Must use 2nd small post to ground. Solid.
Review: Using it for electric winch to power up. - Have an installer yet but I will be using it to power electric winch on my truck.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07HQG2RT1 |
| Brand | Winjun |
| Brand Name | Winjun |
| Coil Voltage | 12 volts |
| Contact Current Rating | 500 A |
| Contact Material | Silver Tin Oxide |
| Contact Type | Spst |
| Current Rating | 500 A |
| Customer Reviews | 4.2 out of 5 stars 36 Reviews |
| Manufacturer | WINJUN |
| Operation Mode | Automatic |
| Part Number | JC14-12V-SET |
| UPC | 676422203406 |
| Wattage | 7700 watts |

## Images

![4Pin Auto Starter Relay 12V DC 500 Amp Vehicle SPST Contactor Double Batteries Isolator Control On/Off Switch, Heavy Duty, High Current, with Connection Accessory - Image 1](https://m.media-amazon.com/images/I/616iThkgTzL.jpg)
![4Pin Auto Starter Relay 12V DC 500 Amp Vehicle SPST Contactor Double Batteries Isolator Control On/Off Switch, Heavy Duty, High Current, with Connection Accessory - Image 2](https://m.media-amazon.com/images/I/61cw9Rh7ADL.jpg)
![4Pin Auto Starter Relay 12V DC 500 Amp Vehicle SPST Contactor Double Batteries Isolator Control On/Off Switch, Heavy Duty, High Current, with Connection Accessory - Image 3](https://m.media-amazon.com/images/I/61PVnu+Cn1L.jpg)
![4Pin Auto Starter Relay 12V DC 500 Amp Vehicle SPST Contactor Double Batteries Isolator Control On/Off Switch, Heavy Duty, High Current, with Connection Accessory - Image 4](https://m.media-amazon.com/images/I/71MSnzfAMyL.jpg)
![4Pin Auto Starter Relay 12V DC 500 Amp Vehicle SPST Contactor Double Batteries Isolator Control On/Off Switch, Heavy Duty, High Current, with Connection Accessory - Image 5](https://m.media-amazon.com/images/I/61LeeR+qrPL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Must use ground wire.
*by D***E on April 22, 2019*

RV vehicle/house battery separator. Must use 2nd small post to ground. Solid.

### ⭐⭐⭐ Using it for electric winch to power up.
*by C***D on May 17, 2019*

Have an installer yet but I will be using it to power electric winch on my truck.

### ⭐⭐⭐⭐⭐ Grrrrreat
*by A***R on December 6, 2020*

Great product

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**Shop now:** [https://www.desertcart.hr/products/89349881-4pin-auto-starter-relay-12v-dc-500-amp-vehicle-spst](https://www.desertcart.hr/products/89349881-4pin-auto-starter-relay-12v-dc-500-amp-vehicle-spst)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-09-11*