---
product_id: 71462466
title: "Bussmann 15303-5-2-4 RTMR Single Input Fuse Relay Panel and Terminal Kit 12V"
brand: "bussmann"
price: "AR$18639"
currency: ARS
in_stock: true
reviews_count: 1
url: https://www.desertcart.com.ar/products/71462466-bussmann-15303-5-2-4-rtmr-single-input-fuse-relay
store_origin: AR
region: Argentina
---

# 20A Max Current 12V Max Voltage Automatic Operation Bussmann 15303-5-2-4 RTMR Single Input Fuse Relay Panel and Terminal Kit 12V

**Brand:** bussmann
**Price:** AR$18639
**Availability:** ✅ In Stock

## Summary

> 🔋 Power Up Your Projects with Confidence!

## Quick Answers

- **What is this?** Bussmann 15303-5-2-4 RTMR Single Input Fuse Relay Panel and Terminal Kit 12V by bussmann
- **How much does it cost?** AR$18639 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/71462466-bussmann-15303-5-2-4-rtmr-single-input-fuse-relay)

## Best For

- bussmann enthusiasts

## Why This Product

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

## Key Features

- • **High Capacity:** Supports up to three 50 amp or five 35/20 amp relays for robust performance.
- • **Comprehensive Kit:** Includes 25 terminals for 10-12 AWG, 20 for 14-16 AWG, and 15 for 16-18 AWG.
- • **Sealed Connections:** Comes with seals to ensure durability and reliability in all conditions.
- • **User-Friendly Design:** Includes 10 cavity plugs for a streamlined installation experience.
- • **Versatile Compatibility:** Easily integrates with ISO280 2.8mm blade relays and ATM MINI circuit breakers.

## Overview

The Bussmann 15303-5-2-4 RTMR Single Input Fuse Relay Panel and Terminal Kit is a robust solution for managing electrical connections in automotive and industrial applications. It supports a maximum switching current of 20 amps and operates at 12 volts, making it ideal for a variety of setups. This comprehensive kit includes a range of terminals and seals, ensuring a reliable and efficient installation.

## Description

Bussmann RTMR single input stud waterproof fuse and relay panel with terminals. Brass Mounting inserts accept #10-32 machine screws. Overall measurements approximately 3.5"W x 4.5"L x 2.5"T. Includes Delphi terminals, seals, and cavity plugs. Single busbar version for fuse side. Holds 10 fuses. 30 amps per circuit rating. Accepts ISO280 50 amp Mini, 35amp Micro, and 20 amp Ultra Micro relays.

## Features

- Accepts ISO280 2.8mm blade relays and ATM MINI circuit breakers or fuses
- Use with up to three 50 amp or five 35/20 amp relays with 4 or 5 pins
- Includes (25) 10-12 AWG terminals and seals
- Includes (20 ) 14-16 AWG terminals and seals
- Includes (15 ) 16-18 AWG terminals and seals and 10 cavity plugs

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Current Rating | 50 Amps, 20 Amps |
| Brand | Bussmann |
| Operation Mode | Automatic |
| Coil Voltage | 12 Volts |
| Maximum Switching Current | 20 Amps |
| Maximum Switching Voltage | 12 Volts |
| UPC | 607178860018 |
| Item model number | 15303-5-2-4-RTMR-TK1 |
| Is Discontinued By Manufacturer | No |

## Product Details

- **Current Rating:** 50 Amps, 20 Amps
- **Brand:** Bussmann
- **Operation Mode:** Automatic
- **Coil Voltage:** 12 Volts
- **Maximum Switching Current:** 20 Amps

## Images

![Bussmann 15303-5-2-4 RTMR Single Input Fuse Relay Panel and Terminal Kit 12V - Image 1](https://m.media-amazon.com/images/I/51A4XJb9c-L.jpg)
![Bussmann 15303-5-2-4 RTMR Single Input Fuse Relay Panel and Terminal Kit 12V - Image 2](https://m.media-amazon.com/images/I/51-O8AG3PuL.jpg)
![Bussmann 15303-5-2-4 RTMR Single Input Fuse Relay Panel and Terminal Kit 12V - Image 3](https://m.media-amazon.com/images/I/61rA5b9V4JL.jpg)
![Bussmann 15303-5-2-4 RTMR Single Input Fuse Relay Panel and Terminal Kit 12V - Image 4](https://m.media-amazon.com/images/I/71SIx0bmbxL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Get this Relay box! Its worth it!
*by A***R on October 26, 2019*

Quality is amazing! well worth the money! don't settle for those other cheap relay boxes!

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**Shop now:** [https://www.desertcart.com.ar/products/71462466-bussmann-15303-5-2-4-rtmr-single-input-fuse-relay](https://www.desertcart.com.ar/products/71462466-bussmann-15303-5-2-4-rtmr-single-input-fuse-relay)

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-01-23*