Eaton E50SA E50 NEMA Heavy Duty Plug-In Limit Switch – 10A AC / 1A DC, 1 NO-1 NC

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SKU: E50SA GTIN/UPC: 782113290676
Regular price $91.00
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The Eaton E50SA heavy duty plug-in limit switch is designed for industrial automation and machine control applications requiring reliable position sensing and circuit control. Built with a rugged die-cast zinc enclosure, it provides dependable performance in harsh environments. Its NEMA-rated construction ensures suitability across a wide range of demanding industrial settings, including applications requiring moisture, dust, and washdown resistance.

Electrical Ratings

  • Maximum AC Current: 10A at 12 Vac
  • Maximum DC Current: 1A at 125 Vdc
  • Contact Rating: 10A at 12 Vac, 1A at 125 Vdc
  • Contact Configuration: 1 NO – 1 NC
  • Number of Poles: Single-pole

Key Specifications

  • Manufacturer: Eaton
  • Catalog Number: E50SA
  • UPC: 782113290676
  • Product Type: Heavy duty plug-in limit switch
  • Series: E50 heavy duty plug-in
  • Standards: UL Listed, UL Recognized, CSA Certified, CE Marked
  • Compliance: RoHS compliant
  • Cable Type: SOOW-A
  • Environmental Ratings: NEMA 1, 3, 3S, 4, 4X, 6, 6P, 13; IP67
  • Operating Temperature Range: -40°F to 250°F
  • Enclosure Material: Die cast zinc
  • Warranty: 1 year

Physical Details

  • Product Length/Depth: 4.5 in
  • Product Height: 1.75 in
  • Product Width: 3.25 in
  • Product Weight: 0.41 lb

Product Data

  • Application: Industrial machine position sensing and control circuits
  • Installation Use: Heavy duty industrial automation systems
  • Function: Provides reliable limit switching for equipment control and safety interlocking
  • Construction Benefit: Rugged die-cast zinc body for durability in harsh environments
  • Environmental Protection: Wide NEMA/IP rating range for versatile installation conditions



  • Type Switches
  • Vendor Eaton Cutler-Hammer
  • Brand Eaton

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