Leviton MS303-DSS EB Non-Reversing Motor Starter, 3-Pole, 3-Phase, 30A, 600V
Special Order: typically 2–6 weeks
Ships directly from the manufacturer. This is an estimated lead time, not a guaranteed delivery date.
Availability can change and lead times may be longer. If your project has a deadline, check with us before ordering.
A member of our team will check with the manufacturer and personally reply by email.
Image of 3
Key Features
- Provide dependable manual on/off control for heavy motors to reduce downtime and simplify maintenance
- Acts as a clear motor disconnect (3-pole, three-phase) rated for 30A at 600V to meet load and safety requirements
- Industrial-grade short toggle and non-grounding design for robust field use in harsh environments
- Back and side wiring speeds installation and retrofit, minimizing labor and installation costs
- cUL certified and backed by a 10-year limited warranty for long-term reliability in HVAC, conveyor, pump and security applications
Quick Specifications
- Product Model
- MS303-DSS
- Brand Name
- Leviton
- Manufacturer Part Number
- MS303-DSS
Explore the details
Product information
MS303-DSS
Overview
Engineered for reliable, on-site motor control, the Leviton MS303-DSS EB non-reversing motor starter delivers durable manual switching for industrial loads. This 3-pole, three-phase plunger & toggle switch functions as a compact motor disconnect rated 30A at 600V, offering a straightforward solution for conveyors, pumps, HVAC units and even motorized elements in security and surveillance systems. The industrial-grade short toggle and non-grounding design provide tactile, positive operation while reducing nuisance trips. Back and side wiring options streamline installation and retrofits, helping facilities minimize labor time and keep systems in service. cUL certification per CSA C22.2 No. 111 ensures code-compliant performance for commercial and industrial environments. With a rugged black housing and a 10-year limited warranty, the MS303-DSS is ideal for operations that require consistent motor control and simplified maintenance tracking. Specify this Leviton motor starter when upgrading motor disconnects or implementing reliable manual control in monitoring, access control or equipment rooms. Order now to improve uptime and safety on your next installation.
Features
- Provide dependable manual on/off control for heavy motors to reduce downtime and simplify maintenance
- Acts as a clear motor disconnect (3-pole, three-phase) rated for 30A at 600V to meet load and safety requirements
- Industrial-grade short toggle and non-grounding design for robust field use in harsh environments
- Back and side wiring speeds installation and retrofit, minimizing labor and installation costs
- cUL certified and backed by a 10-year limited warranty for long-term reliability in HVAC, conveyor, pump and security applications
| General Information | |
|---|---|
| Brand Name | Leviton |
| Manufacturer Part Number | MS303-DSS |
| Certifications | |
| Certifications & Standards | cUL per CSA C22.2 No. 111 |
| Physical Characteristics | |
| Color | Black |
| Power Description | |
| Input Voltage | 600V AC |
| Warranty | |
| Limited Warranty | 10-Year |
No matching specifications
Try a different term, such as a connector type or resolution.
Plan your purchase
Is this right for your project?
Confirm the model, required accessories and delivery needs before ordering.
- SKU:
- MS303-DSS
- Manufacturer part:
- MS303-DSS
How do I confirm compatibility?
Check the specifications and manufacturer documents for your existing system. Send us your model numbers and project requirements if you need help selecting equipment or accessories.
Ask a product specialistWhen will this item ship?
Availability is shown above. Special-order items and project quantities may need additional lead time. Contact us to confirm a delivery date before scheduling installation.
Shipping, freight and delivery detailsWhat should I know about returns?
Returns require an approved RMA. Consult the linked return policy for deadlines and eligibility. For standard non-defective returns, eligible factory-sealed items carry a 15% restocking fee and customer-paid return shipping; open-box and used items are refused. Defective and DOA claims follow the policy's separate terms. Special orders and other exclusions are final sale.
Read return eligibility and exclusionsLeviton MS303-DSS EB Non-Reversing Motor Starter, 3-Pole, 3-Phase, 30A, 600V
MS303-DSS