---
product_id: 526235910
title: "Relay 120A, 12V Continuous Duty SPST 4-pin High Power Relay Set"
brand: "irhapsody"
price: "S$44"
currency: SGD
in_stock: true
category: "I Rhapsody"
url: https://www.desertcart.sg/products/526235910-relay-120a-12v-continuous-duty-spst-4-pin-high-power
store_origin: SG
region: Singapore
---

# 120A max current - powerhouse 12V coil voltage - vehicle ready M6 stud terminals - secure fit Relay 120A, 12V Continuous Duty SPST 4-pin High Power Relay Set

**Brand:** irhapsody
**Price:** S$44
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your ride with confidence — the relay that never quits!

## Quick Answers

- **What is this?** Relay 120A, 12V Continuous Duty SPST 4-pin High Power Relay Set by irhapsody
- **How much does it cost?** S$44 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/526235910-relay-120a-12v-continuous-duty-spst-4-pin-high-power)

## Best For

- irhapsody enthusiasts

## Why This Product

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

## Key Features

- • **Unmatched Reliability:** 1.8W coil power with 80Ω resistance ensures longer life and less heat than typical relays.
- • **Built for the Elements:** Wide temperature range (-30°C to +80°C) keeps your system running in any climate.
- • **Heavy-Duty Performance:** Handles a massive 120A continuous current, perfect for demanding automotive applications.
- • **Effortless Installation:** Standard M6 stud terminals and quick-connect design make upgrades hassle-free.
- • **Precision Voltage Control:** Operates smoothly between 8V pickup and 14V max voltage for stable switching.

## Overview

The iRhapsody Relay 120A is a robust 12V continuous duty SPST 4-pin relay designed for high-current automotive use. Featuring a low-power 1.8W coil with 80Ω resistance, it outperforms typical relays by delivering reliable switching at up to 120 amps. Its durable construction, wide operating temperature range, and secure M6 stud terminals make it ideal for split charging and heavy-duty vehicle electrical systems.

## Description

12V DC 120Amp Split Charge Relay Heavy Duty 4 Pin SPST (Single Pole Single Throw) relay Nominal coil voltage: 12 V DC Pickup voltage: 8 V DC Dropout voltage: 1.2 V DC Maximum applied voltage: 14 V DC Max Switching Current: 120A Max Switching Voltage: 14 V DC Temperature Range: -30 ~ +80 degrees Celsius Feature 1), Advantage - coil power: 1.8W; coil resistance: 80 ohms. It is more reliable than 2.4W (60 ohms) and 4.8W (30 ohms) relays on the market. 2), Large capacity: 120 amp high current carrying capacity, heavy-duty make/break relay. 3), Ideal for split charging or any vehicle needing a high-power relay.

## Features

- Coil power: 1.8w, and coil resistance is 80 ohms. It is more reliable than 2.4w((60 ohms) and 4.8w(30 ohms) relays on the market
- Large capacity, high current carrying capacity, heavy-duty make/break relay
- Ideal for split charging or any vehicle needing a high-power relay
- Never go beyond its capabilities; try to stay 10 to 15% below what the rate is for
- The size of the round stud terminals: M6/6mm

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BJ9RQFWX |
| Best Sellers Rank | #5,831 in Automotive ( See Top 100 in Automotive ) #3 in Automotive Replacement Accessory Power Relays |
| Brand | iRhapsody |
| Brand Name | iRhapsody |
| Coil Resistance | 80 Ohms |
| Coil Voltage | 12 Volts (DC) |
| Connector Type | Quick Connect |
| Contact Current Rating | 120 Amps |
| Contact Material | Copper |
| Contact Type | Normally Open |
| Current Rating | 120 Amps |
| Customer Reviews | 4.6 out of 5 stars 120 Reviews |
| Manufacturer | IRHAPSODY |
| Minimum Switching Voltage | 8 Volts (DC) |
| Model | AutoRelaySet-12V120A |
| Mounting Type | Screw Mount |
| Operation Mode | Automatic |
| Part Number | AutoRelaySet-12V120A |
| Specification Met | [Possibly] |
| Warranty Description | one-year warranty |
| Wattage | 1.8 watts |

## Product Details

- **Brand:** iRhapsody
- **Connector Type:** Screw
- **Contact Type:** Normally Open
- **Current Rating:** 120 Amps
- **Mounting Type:** Screw Mount

## Images

![Relay 120A, 12V Continuous Duty SPST 4-pin High Power Relay Set - Image 1](https://m.media-amazon.com/images/I/61x-eGR8OLL.jpg)

## Available Options

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

## Frequently Bought Together

- irhapsody 120amp 12v Continuous Duty Relay, 4-pin Spst High-Current Starter Relay
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**Shop now:** [https://www.desertcart.sg/products/526235910-relay-120a-12v-continuous-duty-spst-4-pin-high-power](https://www.desertcart.sg/products/526235910-relay-120a-12v-continuous-duty-spst-4-pin-high-power)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-08-03*