---
product_id: 15243746
title: "Parallax Power Supply ATS503 120/240V 50 Amp Transfer Switch"
brand: "parallax"
price: "$737.38"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/15243746-parallax-power-supply-ats503-120-240v-50-amp-transfer-switch
store_origin: US
region: United States of America
---

# 120/240V 50 Amp Easy install Parallax Power Supply ATS503 120/240V 50 Amp Transfer Switch

**Brand:** parallax
**Price:** $737.38
**Availability:** ✅ In Stock

## Summary

> 🔋 Power Up Your Life with Parallax!

## Quick Answers

- **What is this?** Parallax Power Supply ATS503 120/240V 50 Amp Transfer Switch by parallax
- **How much does it cost?** $737.38 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/15243746-parallax-power-supply-ats503-120-240v-50-amp-transfer-switch)

## Best For

- parallax enthusiasts

## Why This Product

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

## Key Features

- • **User-Friendly Design:** Installation is a breeze, making it perfect for both professionals and DIY enthusiasts.
- • **Compact & Lightweight:** Weighing only 10 pounds, it’s easy to handle and install in any setup.
- • **Versatile Compatibility:** Works flawlessly with various line voltage conditions for ultimate flexibility.
- • **Seamless Power Transition:** Effortlessly switch between shoreline and generator power with a flick of a switch.
- • **Engineered for Reliability:** Designed to endure extensive cycle testing, ensuring long-lasting performance.

## Overview

The PARALLAX Power Supply ATS503 is a robust 120/240V 50 Amp transfer switch designed for seamless power transitions between shoreline and generator sources. Engineered for reliability and easy installation, this lightweight unit is perfect for both professional and personal use, ensuring you never miss a beat in your power supply.

## Description

Parallax Power Supply ATS503 120/240V 50 Amp Transfer Switch

## Features

- 120/240 Volt
- With a flick of the generator switch, the ATS 503 line generator switch from Parallax transfers power smoothly between shoreline power and generator/secondary power source, regardless of line voltage conditions
- Engineered for superior reliability in 50 Amp
- Electronic circuit board design is proven in extensive cycle testing to withstand heat and torque
- Easy installation

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | AP Products |
| Brand | PARALLAX |
| Model | ATS503 |
| Item Weight | 10 pounds |
| Product Dimensions | 14 x 12 x 6 inches |
| Country of Origin | Mexico |
| Item model number | ATS503 |
| Manufacturer Part Number | ATS503 |

## Images

![Parallax Power Supply ATS503 120/240V 50 Amp Transfer Switch - Image 1](https://m.media-amazon.com/images/I/514ZNCO20HL.jpg)

---

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**Shop now:** [https://www.desertcart.us/products/15243746-parallax-power-supply-ats503-120-240v-50-amp-transfer-switch](https://www.desertcart.us/products/15243746-parallax-power-supply-ats503-120-240v-50-amp-transfer-switch)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-20*