Pros

  • The product is sturdy and welade with large wire attachments, making installation easy.
  • Effectively functions as a safety shuff switch for 220V heat pumps.
  • Reliable on/off functionality for hase air compressors.
  • Simple and useriendly design enhances ease of use.
  • Meets design specifications for threhase switching tasks.

Cons

  • May not function properly with unconventional or unique home wiring setups.
  • A reviewer experienced issues due to previous bizarre wiring, reducing testing effectiveness.
  • Some frustration expressed with unexpected home wiring issues that might require professional help.

Bottom Line

The Leviton MS303-DSW is a robust and well-designed three-phase manual motor controller, excellent for conventional installations and industrial-grade applications. It effectively handles safety shut-off and 3-phase motor control tasks. However, the product may not be suitable for homes with unusual wiring systems. For those facing such wiring challenges, professional installation might be beneficial to ensure optimal performance.

Lowest at any Popular Retailer
$28.78 at Amazon

Where to Buy

Prices last updated: May 30th 2025 6:16 pm
Get ShopSavvy
ShopSavvy is totally free and works on all popular phones and browsers
Download ShopSavvy App

Compare prices for anything in real-time, set price alerts, watch for deals by keyword, and much more

Install ShopSavvy Browser Extension

Compare and track prices automatically while you shop online at thousands of websites.

© 2025 Monolith Technologies, Inc. All rights reserved..