---
product_id: 16888578
title: "30 Amp, 600 Volt, Three-Pole, 3 Phase AC Motor Starter, Suitable as Motor Disconnect, Short Toggle, Industrial Grade, Non-Grounding, MS303-DSS, Black"
brand: "leviton"
price: "฿2628"
currency: THB
in_stock: true
reviews_count: 10
url: https://www.desertcart.co.th/products/16888578-30-amp-600-volt-three-pole-3-phase-ac-motor
store_origin: TH
region: Thailand
---

# 30 Amp heavy-duty power Three-pole, 3-phase motor control 600 Volt industrial voltage rating 30 Amp, 600 Volt, Three-Pole, 3 Phase AC Motor Starter, Suitable as Motor Disconnect, Short Toggle, Industrial Grade, Non-Grounding, MS303-DSS, Black

**Brand:** leviton
**Price:** ฿2628
**Availability:** ✅ In Stock

## Summary

> ⚙️ Power your workflow with precision and reliability — don’t get left in the dark!

## Quick Answers

- **What is this?** 30 Amp, 600 Volt, Three-Pole, 3 Phase AC Motor Starter, Suitable as Motor Disconnect, Short Toggle, Industrial Grade, Non-Grounding, MS303-DSS, Black by leviton
- **How much does it cost?** ฿2628 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/16888578-30-amp-600-volt-three-pole-3-phase-ac-motor)

## Best For

- leviton enthusiasts

## Why This Product

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

## Key Features

- • **Long-Term Assurance:** Backed by a 10-year limited warranty, ensuring peace of mind for your critical industrial applications.
- • **Clear Toggle Feedback:** Oversized short toggle ensures unmistakable actuation and long-lasting operational confidence.
- • **Versatile Motor Control:** Seamlessly manages a variety of motor loads including bottling lines, pumps, and compressors with reliable ON/OFF switching.
- • **User-Friendly Installation:** Fits standard wall boxes and supports back or side wiring with terminal clamps or ring terminals for flexible setup.
- • **Industrial-Grade Durability:** Built to withstand rigorous manufacturing environments with premium materials and nickel-plated corrosion-resistant screws.

## Overview

The Leviton MS303-DSS is a black, industrial-grade 30 Amp, 600 Volt, three-pole, 3-phase AC motor starter designed for safe and reliable manual motor control. Featuring corrosion-resistant nickel-plated screws, an oversized toggle for clear feedback, and compatibility with standard wall boxes, it’s ideal for heavy-duty manufacturing equipment. Supported by a 10-year limited warranty, it ensures durable performance in demanding industrial settings.

## Description

Leviton 30 Amp, 600 Volt, Three-Pole, 3 Phase AC Motor Starter, Suitable as Motor Disconnect, Short Toggle, Industrial Grade, Non-Grounding, MS303-DSS, Black

## Features

- Provides safe, reliable control of a variety of motor loads; suitable for use as motor disconnect
- Fits in standard wall box
- Accepts back or side wiring, terminal clamps or ring terminals
- Oversized toggle provides clear actuation feedback and long-lasting durability
- Nickel-plated #10 triple-combination terminal screws for corrosion resistance

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Leviton |
| Part Number | MS303-DSS |
| Item Weight | 3.2 ounces |
| Product Dimensions | 5 x 3 x 3 inches |
| Item model number | MS303-DSS |
| Is Discontinued By Manufacturer | No |
| Color | Black |
| Style | Short Toggle |
| Material | nickel |
| Thickness | 1 Inches |
| Voltage | 600 Volts |
| Horsepower | 3 Horsepower |
| Item Package Quantity | 1 |
| Mounting Type | Wall |
| Switch Style | toggle |
| Included Components | MS303-DSS |
| Batteries Included? | No |
| Batteries Required? | No |
| Warranty Description | 10 Year Limited |

## Images

![30 Amp, 600 Volt, Three-Pole, 3 Phase AC Motor Starter, Suitable as Motor Disconnect, Short Toggle, Industrial Grade, Non-Grounding, MS303-DSS, Black - Image 1](https://m.media-amazon.com/images/I/61yTt4KRyFL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 







  
  
    good price
  

*by D***T on Reviewed in the United States on September 13, 2022*

Good price

### ⭐⭐⭐⭐⭐ 







  
  
    hevi duty switch, works wonders, 3 pole
  

*by C***1 on Reviewed in the United States on June 11, 2022*

good brand, bought before

### ⭐⭐⭐⭐⭐ 







  
  
    Very good quality
  

*by A***C on Reviewed in the United States on December 12, 2019*

Easy to install and a very good quality. Installed one for an exhaust fan and it works great

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**Shop now:** [https://www.desertcart.co.th/products/16888578-30-amp-600-volt-three-pole-3-phase-ac-motor](https://www.desertcart.co.th/products/16888578-30-amp-600-volt-three-pole-3-phase-ac-motor)

---

*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-03-05*