Leviton MS303-DSW Motor Controller
Where to Buy
| Retailer | Price | Last seen | Buy |
|---|---|---|---|
 Amazon 30-day returns (in store too) | $23.47 | Dec 5, 2024, may have changed | Buy Now |
S standardelectricsupply.com | $23.99 | Dec 12, 2024, may have changed | Buy Now |
G graybar.com | $32.00 | May 12, 2025, may have changed | Buy Now |
G gordonelectricsupply.com | $37.75 | Dec 12, 2024, may have changed | Buy Now |
 Walmart Sold by DropAir | $44.10 | May 12, 2025, may have changed | Buy Now |
Prices are collected from retailer listings; each row shows the date we last saw that price. Return and shipping terms are each store's standard policy from our retailer research (April 2026). Some products and categories have different terms, so check with the store before you buy.
Used & Refurbished
✨ See 2 used & refurbished prices with ShopSavvy ProGet the app →Pros
- •The product is sturdy and well-made with large wire attachments, making installation easy.
- •Effectively functions as a safety shut-off switch for 220V heat pumps.
- •Reliable on/off functionality for 3-phase air compressors.
- •Simple and user-friendly design enhances ease of use.
- •Meets design specifications for three-phase 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.
What Reviewers Are Saying
📚More About Leviton MS303-DSW Motor Controller
Discussion
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