Heavy-Duty Safety Switches


Heavy-duty safety switches provide a highly visible means of disconnect to help improve personnel safety and equipment protection. Additionally, they’re Ideal for applications where reliable performance, safety, and service continuity are critical.

Heavy-duty safety switches Applications

For heavy commercial and industrial applications where reliable performance and service continuity are critical. For the toughest heavy commercial and industrial applications, refer to Page V2-T1-77 for catalog information on our mill-duty safety switch. 316 Grade stainless steel is often a desirable choice for wastewater treatment plants and petrochemical facilities.

Product Description

  • 30–1200A
  • 600 Vac, 600 Vdc maximum
  • Horsepower rated
  • Fusible and non-fusible switches are 100% load break and 100% load make rated
  • The continuous load current of fusible switches is not to exceed 80% of the rating of fuses employed in other than motor circuits. Non-fusible switches are 100% fully rated
  • Suitable for service entrance applications unless otherwise noted
  • For factory modifications, refer to Page V2-T1-15

Heavy-Duty Safety Switches Features, Benefits, and Functions

  • Deionizing arc chutes; arc chutes confine and suppress the arcs produced by opening contacts under load
  • Mechanically interlocked cover to prevent easy access when the switch is in the ON position
  • Clearly visible palm fitting red handle
  • Premium 316-Grade stainless steel enclosures offer better corrosion resistance in the presence of most chemicals, salts and acids, and is more resistant to marine atmospheres
  • Visible double-break quick- make, quick-break blades
  • Visible ON/OFF indication
  • 30–1200A NEMA 12 designs convertible to NEMA 3R by opening factory-installed drain hole
  • Tri-lingual nameplates

Standards and Certifications

  • UL listed File No. E5239
  • Meets UL 98 for enclosed switches and NEMA Std. KS-1 Seismic Qualifications
  • Heavy-duty switches exceed the requirements of Uniform Building
  • Code (UBC) and California Code Title 24 OSP-0011-10, OSP-0012-10

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