---
product_id: 50434442
title: "ELPRO ATS-63A, 120/208V 50-60Hz Automatic Transfer Changeover Switch, 1-3 phase, 4P"
brand: "elpro"
price: "฿3702"
currency: THB
in_stock: false
url: https://www.desertcart.co.th/products/50434442-elpro-ats-63a-120-208v-50-60hz-automatic-transfer-changeover
store_origin: TH
region: Thailand
---

# 63A high current capacity 1-3 phase seamless transfer 3-4 sec ultra-fast switching ELPRO ATS-63A, 120/208V 50-60Hz Automatic Transfer Changeover Switch, 1-3 phase, 4P

**Brand:** elpro
**Price:** ฿3702
**Availability:** ❌ Out of Stock

## Summary

> ⚡ Stay powered, stay ahead — seamless energy switching made smart

## Quick Answers

- **What is this?** ELPRO ATS-63A, 120/208V 50-60Hz Automatic Transfer Changeover Switch, 1-3 phase, 4P by elpro
- **How much does it cost?** ฿3702 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/50434442-elpro-ats-63a-120-208v-50-60hz-automatic-transfer-changeover)

## Best For

- elpro enthusiasts

## Why This Product

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

## Key Features

- • **Robust & Reliable:** Stable changeover mechanism energized only during switching
- • **Built-In Safety First:** Generator protection with alarms and warnings included
- • **User-Friendly Interface:** Internal position lamps plus external lamp outputs for clear status
- • **Power Transfer, Perfected:** Automatic & manual switching for ultimate control
- • **Precision Voltage Monitoring:** True RMS measurements with external voltage adjustment

## Overview

The ELPRO ATS-63A is a compact, high-reliability automatic transfer switch designed for 1-3 phase power systems at 120/208V, supporting up to 63A current. Featuring ultra-fast 3-4 second switching, true RMS voltage monitoring, and built-in generator protection with alarms, it ensures seamless, safe power source transfer with both manual and motorized operation. Ideal for professionals demanding precision and uninterrupted power management.

## Description

The ATS-63A changeover switch is designed to transfer loads automatically and manually from one power source to another in a wide variety of 1-3 phase applications. FEATURES A design based on 63A automatic circuit breakers; Motorized or manual switching; 1-3 phase operation; High reliability due to stable positions of the change-over mechanism energized during switching process only; Internal position indication lamps and external lamp outputs; Built-in mechanical and electrical interlocking; Automatic mode ON/OFF switch; Manual switching handle. TECHNICAL SPECIFICATIONS Voltage: 120/208V 50-60Hz. Phases: 1-3 Switching poles: 4 Phase current: up to 63А Working temperature range: -5’C - +40’C Humidity: up to 50% Installation type: vertical Switching current: up to 1A Switching time: 3-4 sec Category: CB Weight: 2.1 kg Dimensions: 220х160х120mm

## Features

- Front panel mounted low cost precision instrument
- Monitors the 2-3 phase AC mains voltages
- True RMS measurements
- Provides external voltage adjustment feature
- Generator protection, built-in alarms and warnings

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01FKCMPFA |
| Date First Available | 11 May 2016 |
| Item Package Quantity | 1 |
| Item Weight | 2.23 kg |
| Item model number | ATS-63A, 120/208V |
| Manufacturer | ELPRO |
| Part number | B01FKCMPFA |

## Images

![ELPRO ATS-63A, 120/208V 50-60Hz Automatic Transfer Changeover Switch, 1-3 phase, 4P - Image 1](https://m.media-amazon.com/images/I/91kJO34CXbL.jpg)
![ELPRO ATS-63A, 120/208V 50-60Hz Automatic Transfer Changeover Switch, 1-3 phase, 4P - Image 2](https://m.media-amazon.com/images/I/81rdoEYjn6L.jpg)
![ELPRO ATS-63A, 120/208V 50-60Hz Automatic Transfer Changeover Switch, 1-3 phase, 4P - Image 3](https://m.media-amazon.com/images/I/81rMJs2mopL.jpg)

---

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---

*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-04-29*