---
product_id: 473142933
title: "Macromatic Alternating Relay, 10 Amps, 120VAC, 8 Pins, DPDT Cross-Wired - ARP120A3R"
brand: "macromatic"
price: "€ 144.92"
currency: EUR
in_stock: true
category: "Macromatic"
url: https://www.desertcart.gr/products/473142933-macromatic-alternating-relay-10-amps-120vac-8-pins-dpdt-cross
store_origin: GR
region: Greece
---

# 10A contact rating LED status indicator Alternating operation mode Macromatic Alternating Relay, 10 Amps, 120VAC, 8 Pins, DPDT Cross-Wired - ARP120A3R

**Brand:** macromatic
**Price:** € 144.92
**Availability:** ✅ In Stock

## Summary

> 🔄 Switch Smarter, Work Faster with Macromatic Power!

## Quick Answers

- **What is this?** Macromatic Alternating Relay, 10 Amps, 120VAC, 8 Pins, DPDT Cross-Wired - ARP120A3R by macromatic
- **How much does it cost?** € 144.92 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/473142933-macromatic-alternating-relay-10-amps-120vac-8-pins-dpdt-cross)

## Best For

- macromatic enthusiasts

## Why This Product

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

## Key Features

- • **Clear Load Status:** Built-in LED indicator shows next load to energize, eliminating guesswork
- • **Plug-In Convenience:** Easy flange mount and 8-pin octal base for quick installation and maintenance
- • **Energy Efficient Design:** Consumes less than 3VA power, optimizing your system’s energy footprint
- • **Powerful 10 Amp Switching:** Handles up to 10A at 240VAC for reliable industrial performance
- • **Smart Alternating Control:** Automatically alternates loads with selector switch for seamless operation

## Overview

The Macromatic ARP120A3R is a US-made, 10 Amp, 120VAC alternating relay featuring a DPDT cross-wired contact form. It offers automatic alternating load control with a selector switch and LED status indicator, housed in a compact 8-pin octal plug-in design. UL certified and energy efficient, it’s engineered for dependable industrial and scientific applications.

## Description

Alternating Relay, Base Shape Octal, Coil Voltage 120V AC, Contact Form DPDT, Contact Rating (AC) 10 A @ 240V, Contact Rating (DC) 10 A @ 24V, Flat Pin Width Not Applicable, Number of Pins 8, Operating Modes Alternate, Always Energize Load 1, Always Energize Load 2, Status Indicator LED Indicates Next Load to Energize, Alternating Mode Selection Method Selector Switch, Burden Less than 3VA, Mounting Style Plug-In, Power Consumption 3 VA, Body Depth 2.9 in, Body Height 2.4 in, Body Width 1.7 in

## Features

- Made in United States

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08R3VQ1DL |
| Best Sellers Rank | #157,790 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #223 in Electromechanical Relays |
| Brand | Macromatic |
| Brand Name | Macromatic |
| Coil Voltage | 120 Volts (AC) |
| Connector Type | Plug-In |
| Contact Current Rating | 10 Amps |
| Contact Material | Silver Alloy |
| Contact Type | Normally Open |
| Current Rating | 10 Amps |
| Customer Reviews | 4.8 out of 5 stars 8 Reviews |
| Manufacturer | Macromatic |
| Minimum Switching Voltage | 120 Volts (AC) |
| Mounting Type | Flange Mount |
| Operation Mode | Automatic |
| Part Number | 'ARP120A3R |
| Specification Met | UL |
| Unit Count | 1.0 Count |
| Wattage | 3 watts |

## Product Details

- **Connector Type:** Plug-In
- **Contact Material:** Silver Alloy
- **Contact Type:** Normally Open
- **Current Rating:** 10 Amps
- **Mounting Type:** Flange Mount

## Images

![Macromatic Alternating Relay, 10 Amps, 120VAC, 8 Pins, DPDT Cross-Wired - ARP120A3R - Image 1](https://m.media-amazon.com/images/I/716IBr5ye6L.jpg)
![Macromatic Alternating Relay, 10 Amps, 120VAC, 8 Pins, DPDT Cross-Wired - ARP120A3R - Image 2](https://m.media-amazon.com/images/I/71u2EHSohKL.jpg)
![Macromatic Alternating Relay, 10 Amps, 120VAC, 8 Pins, DPDT Cross-Wired - ARP120A3R - Image 3](https://m.media-amazon.com/images/I/71lxS4GlT4L.jpg)

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**Shop now:** [https://www.desertcart.gr/products/473142933-macromatic-alternating-relay-10-amps-120vac-8-pins-dpdt-cross](https://www.desertcart.gr/products/473142933-macromatic-alternating-relay-10-amps-120vac-8-pins-dpdt-cross)

---

*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-10-06*