Leviton MS303-DSS 30 Amp, 600 Volt, Toggle, Black

by Leviton


The Leviton MS303-DSS is a motor starting switch from industrial grade AC manual motor controllers product line. It is known for its simple installation and resilience to heavy duty use. This particular model comes in black. The Leviton's safety switches and motor controls are designed to provide reliable, safe control of different motor loads. You can use this MS303-DSS motor controller not only with single-phase applications, but also with three-phase ones. This controller has thermoplastic parts. They are designed to withstand the hardest tasks, providing superior resistance to impacts, solvents and chemicals. The Leviton brand offers you the highest in production standards according to National Electrical Manufacturers Association.


  • All molded parts are thermoplastic to resist impact, chemicals, temperature, tracking and arcing
  • Cam-driven mechanism enhances fast-make/slow-break
  • Silver- Alloy contacts for maximum conductivity and service life
  • External clamps accept back and side wiring
  • Insulating barrier between terminals provide isolation between phases
  • Nickel-plated brass mounting yoke for superior strength and corrosion resistance
  • Oversized toggle provides positive actuation, even with gloved hand


  • Strap Material: Nickel Plated Brass
  • Yoke: Nickel-Plated Brass
  • Base Material: Thermoplastic Polyester
  • Toggle: Thermoplastic Polyester
  • Face Material: Thermoplastic Polyester
  • Contacts: Silver-Cadmium .031 Thick
  • Terminal Screws: Nickel-Plated Brass 10-32
  • Color: Black

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