Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
LEVITON Manual Motor Controller: 3 Poles, 30 A - Open Manual Motor Switches
LEVITONOpen Manual Motor Switches

LEVITON Manual Motor Controller: 3 Poles, 30 A

The LEVITON MS303-DS is an open manual motor switch with 3 poles and a 30 A rating, designed for surface mounting without an enclosure. It supports a maximum voltage rating of 600V AC and does not include a pilot…

SKU 3G-OTH-41959

Brand
LEVITON
Item
Manual Motor Controller: 3 Poles, 30 A
Category
Open Manual Motor Switches
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

LEVITON
Manufacturer Part Number
MS303-DS
Pilot Light
Not Included
Mounting Style
Surface
Maximum Voltage Rating
600V AC
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

LEVITON Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The LEVITON MS303-DS is an open manual motor switch with 3 poles and a 30 A rating, designed for surface mounting without an enclosure. It supports a maximum voltage rating of 600V AC and does not include a pilot light. This product is a manual motor controller from LEVITON.

Frequently Asked Questions

What is the LEVITON MS303-DS manual motor controller used for?

The LEVITON MS303-DS is an open manual motor switch used for local on/off control of motors in industrial applications. It is suitable for surface mounting without an enclosure, making it ideal for panel or machine integration where a compact, three-pole, 30 A switch is needed.

What are the specifications of the LEVITON MS303-DS?

The LEVITON MS303-DS is a 3-pole manual motor controller rated at 30 A with a maximum voltage of 600V AC. It features surface mounting, no enclosure, and no pilot light. The manufacturer part number is MS303-DS.

Where to buy the LEVITON MS303-DS worldwide?

3G Electric supplies the LEVITON MS303-DS manual motor controller worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this LEVITON part.

How to install the LEVITON MS303-DS manual motor switch?

Install the LEVITON MS303-DS by surface-mounting it on a flat panel or backplate. Ensure the supply is disconnected, then wire the three poles according to the motor load and voltage (up to 600V AC). Use appropriate overcurrent protection per local codes. No enclosure is provided.

Used in

Common applications for LEVITON
Industrial power distribution — Leviton 49 Series inline plugs for high-current connections up to 1135 A
Commercial building wiring — Leviton duplex outlet wall plates in stainless steel for corrosion resistance
Lighting control — Leviton rocker switches for single-pole/double-throw maintained switching at 277V AC
Temporary power — Leviton portable outlet box covers for construction site duplex receptacles
Heavy equipment — Leviton Series 16 receptacles with threaded stud terminations for 400 A connections
Facility maintenance — Leviton toggle switches for general-purpose 15 A switching in ivory finish

LEVITON Products

3G Electric supplies LEVITON open manual motor switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
LEVITON Manual Motor Controller: 3 Poles, 60 A, 3R NEMA Rating, Non-Metallic Enclosure (MPN N3603). Key specifications — Brand: LEVITON; Maximum Voltage Rating: 600V AC; Mounting Style: Surface; Pilot Light: Not Included.
LEVITON
LEVITON Manual Motor Controller: 3 Poles, 60 A, 3R NEMA Rating, Non-Metallic Enclosure (MPN N3603). Key specifications — Brand: LEVITON; Maximum Voltage Rating: 600V AC; Mounting Style: Surface; Pilot Light: Not Included.
LEVITON Manual Motor Controller: 2 Poles, 30 A, 1 NEMA Rating, Non-Metallic Enclosure (MPN N1302-DS). Key specifications — Brand: LEVITON; Maximum Voltage Rating: 600V AC; Mounting Style: Surface; Pilot Light: Not Included.
LEVITON
LEVITON Manual Motor Controller: 2 Poles, 30 A, 1 NEMA Rating, Non-Metallic Enclosure (MPN N1302-DS). Key specifications — Brand: LEVITON; Maximum Voltage Rating: 600V AC; Mounting Style: Surface; Pilot Light: Not Included.
LEVITON Manual Motor Controller: 3 Poles, 30 A, 1 NEMA Rating, Painted Steel Enclosure (MPN N1303-DS). Key specifications — Brand: LEVITON; Maximum Voltage Rating: 600V AC; Mounting Style: Surface; Pilot Light: Not Included; Enclosure Material: Painted Steel.
LEVITON
LEVITON Manual Motor Controller: 3 Poles, 30 A, 1 NEMA Rating, Painted Steel Enclosure (MPN N1303-DS). Key specifications — Brand: LEVITON; Maximum Voltage Rating: 600V AC; Mounting Style: Surface; Pilot Light: Not Included; Enclosure Material: Painted Steel.
LEVITON Manual Motor Controller: 3 Poles, 30 A, 3R NEMA Rating, Painted Steel Enclosure (MPN N3303-DS). Key specifications — Brand: LEVITON; Maximum Voltage Rating: 600V AC; Mounting Style: Surface; Pilot Light: Not Included; Enclosure Material: Painted Steel.
LEVITON
LEVITON Manual Motor Controller: 3 Poles, 30 A, 3R NEMA Rating, Painted Steel Enclosure (MPN N3303-DS). Key specifications — Brand: LEVITON; Maximum Voltage Rating: 600V AC; Mounting Style: Surface; Pilot Light: Not Included; Enclosure Material: Painted Steel.
HUBBELL KELLEMS Manual Motor Switch: 2 Poles, 30 A, No Enclosure (MPN HBL7832). Key specifications — Brand: HUBBELL KELLEMS; Maximum Voltage Rating: 600V AC; Mounting Style: Surface; Pilot Light: Not Included.
HUBBELL KELLEMS
HUBBELL KELLEMS Manual Motor Switch: 2 Poles, 30 A, No Enclosure (MPN HBL7832). Key specifications — Brand: HUBBELL KELLEMS; Maximum Voltage Rating: 600V AC; Mounting Style: Surface; Pilot Light: Not Included.

More from LEVITON

View all LEVITON parts →
Toggle Switch (MPN MS302-DSB). Key specifications — Brand: LEVITON; Maximum Voltage Rating: 600V AC; Mounting Style: Through Panel; Pilot Light: Not Included.
LEVITON
Toggle Switch (MPN MS302-DSB). Key specifications — Brand: LEVITON; Maximum Voltage Rating: 600V AC; Mounting Style: Through Panel; Pilot Light: Not Included.
LEVITON Manual Motor Controller: 2 Poles, 30 A, No Enclosure (MPN MS302-DS). Key specifications — Brand: LEVITON; Maximum Voltage Rating: 600V AC; Mounting Style: Surface; Pilot Light: Not Included.
LEVITON
LEVITON Manual Motor Controller: 2 Poles, 30 A, No Enclosure (MPN MS302-DS). Key specifications — Brand: LEVITON; Maximum Voltage Rating: 600V AC; Mounting Style: Surface; Pilot Light: Not Included.
LEVITON Manual Motor Controller: 3 Poles, 30 A, No Enclosure (MPN MS303-DSW). Key specifications — Brand: LEVITON; Maximum Voltage Rating: 600V; Mounting Style: Surface; Pilot Light: Not Included.
LEVITON
LEVITON Manual Motor Controller: 3 Poles, 30 A, No Enclosure (MPN MS303-DSW). Key specifications — Brand: LEVITON; Maximum Voltage Rating: 600V; Mounting Style: Surface; Pilot Light: Not Included.
LEVITON Manual Motor Controller: 3 Poles, 30 A, No Enclosure (MPN MS303-DSS). Key specifications — Brand: LEVITON; Maximum Voltage Rating: 600V AC; Mounting Style: Surface; Pilot Light: Not Included.
LEVITON
LEVITON Manual Motor Controller: 3 Poles, 30 A, No Enclosure (MPN MS303-DSS). Key specifications — Brand: LEVITON; Maximum Voltage Rating: 600V AC; Mounting Style: Surface; Pilot Light: Not Included.
LEVITON Manual Motor Controller: 3 Poles, 60 A, No Enclosure (MPN MS603-BW). Key specifications — Brand: LEVITON; Maximum Voltage Rating: 600V AC; Mounting Style: Surface; Pilot Light: Not Included.
LEVITON
LEVITON Manual Motor Controller: 3 Poles, 60 A, No Enclosure (MPN MS603-BW). Key specifications — Brand: LEVITON; Maximum Voltage Rating: 600V AC; Mounting Style: Surface; Pilot Light: Not Included.
LEVITON Manual Motor Controller: 2 Poles, 30 A, No Enclosure (MPN MS302-DSS). Key specifications — Brand: LEVITON; Maximum Voltage Rating: 600V AC; Mounting Style: Surface; Pilot Light: Not Included.
LEVITON
LEVITON Manual Motor Controller: 2 Poles, 30 A, No Enclosure (MPN MS302-DSS). Key specifications — Brand: LEVITON; Maximum Voltage Rating: 600V AC; Mounting Style: Surface; Pilot Light: Not Included.
LEVITON Manual Motor Controller: 2 Poles, 40 A, No Enclosure (MPN MS402-DS). Key specifications — Brand: LEVITON; Maximum Voltage Rating: 600V AC; Mounting Style: Surface; Pilot Light: Not Included.
LEVITON
LEVITON Manual Motor Controller: 2 Poles, 40 A, No Enclosure (MPN MS402-DS). Key specifications — Brand: LEVITON; Maximum Voltage Rating: 600V AC; Mounting Style: Surface; Pilot Light: Not Included.