MS303-DS
Product ID: 10423699
Details
- Mounting TypeWall Mount
- BrandLeviton
- MaterialNickel
- Voltage600 Volts
- Current Rating30 Amps
⚡30 Amp current rating
🔄Three-pole, three-phase control
🔌600 Volt industrial-grade voltage
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⚙️ Industrial strength control that keeps your motors running—and your projects ahead of the curve!
The Leviton MS303-DS is a black, industrial-grade, three-pole, three-phase AC motor starter switch rated for 30 Amps and 600 Volts. Designed for manual ON/OFF control and motor disconnect applications, it features corrosion-resistant nickel-plated terminals, oversized toggle for durability, and compatibility with standard wall boxes. Trusted by professionals for reliable motor control in HVAC, manufacturing, and heavy equipment.
| ASIN | B002MPPT3Y |
| Actuator Type | Push Button |
| Best Sellers Rank | #33,639 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #5 in Electrical Motor Controls |
| Brand | Leviton |
| Brand Name | Leviton |
| Circuit Type | Three-Phase |
| Color | Black |
| Compatible Devices | All |
| Connector Type | Ring, Screw |
| Contact Material | Silver Alloy |
| Contact Type | Normally Open |
| Control Method | Push Button |
| Control Type | Manual |
| Current Rating | 30 Amps |
| Customer Reviews | 4.7 out of 5 stars 322 Reviews |
| Dielectric Strength | '2200 VAC for 1 min.' |
| Global Trade Identification Number | 00078477374153 |
| Included Components | MS303-DS |
| Item Type Name | MS303-DS |
| Item Weight | 0.16 Kilograms |
| Manufacturer | Leviton |
| Material | Nickel |
| Material Type | Nickel |
| Maximum Current | 30 Amps |
| Model | MS303-DS |
| Mounting Type | Wall Mount |
| Number of Positions | 3 |
| Operating Voltage | 600 Volts (AC) |
| Operation Mode | ON-OFF |
| Part Number | MS303-DS |
| Smart Home Compatibility | Not Smart Home Compatible |
| Specification Met | cUL |
| Switch Type | Toggle Switch |
| Terminal | Screw |
| UPC | 763500226522 078477374153 696505447237 |
| Unit Count | 1.0 Count |
| Voltage | 600 Volts |
| Warranty Description | 10 Year Limited |
A**C
Greate for mini-split indoor unit cutoff
My Mitusubishi mini-split Heat pumps I just installed have the main power (20Amp) supplied to the outdoor unit. The power and control wires and ground (4 wires total), needed a 3 pole switch to allow each indoor unit to have power cut individually (to meet code). These are the only 3-pole on/off switches I could find and seem to be good quality, but are kind of pricey. If you want to install to code these are likely your only choice. Amazon had by far the best price on them. I installed these in the wall (with normal old-work boxes) next to each unit. Worked great. Just what I needed. Used a standard switch plate. I used the 14g 4-wire cable available from eComfort where I got my mini-split units. The wire supplies power from the outdoor unit into the indoor units though the switches.
E**H
Great VC Product
Works great, saved over $100 with this compared to going to an electrical supply store. If it lasts, it's a bargain !!
P**N
Quality
Good switch
C**N
Worked Very Well
This was a great add-on for a transformer. It fit nicely and kept us from having to install a second fused disconnect at floor level when we already had one in the ceiling. Transformers pull load even when the machine is not running so we try to shut power off to them as well.
A**R
Works as described.
Works as described.
F**M
Item works as it should
No problems with this switch. This is by far the cheapest way to turn on and off 480 Volts. There are so many restrictions for high voltage equipment and using alternative contactors and other devices are 10X more expensive. Will definitely buy this again if the need arises.
J**N
Heavy duty, well made.
Seams like a quality made switch which is what I've come to expect from Leviton. Installed it with a switch box to make a functional and professional looking switch. Will buy again.
R**T
Works Great and Economical
If your looking for a Three Phase Switch to use this is a great option. Small and easily installed. Used to power a Paint Powder Booth. Very economical as compared to other options.
B**T
Bon prix
Fonctionne tres bien
R**R
Excellent replacement
This item was used to replace an identical faulty part. It was a direct replacement and worked flawlessly
G**P
Works great
Worked great As disconect switch
M**3
Good quality
Excellent quality
D**D
interrupteur
L'interupteur n'est pas stif comme celle que j'avais au par avant.
Trustpilot
4 days ago
3 days ago