Eaton E50DT1 Limit Switch

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• • • Eaton E50DT1 — E50 Heavy-Duty Limit Switch Operating Head (Top Pushbutton, Adjustable Spring Return)

      An operating head for the Eaton E50 modular heavy-duty plug-in limit switch family. The E50DT1 provides a top-mount pushbutton actuator with adjustable spring return — it pairs with a separate E50 switch body (e.g. E50SB) and receptacle to form a complete limit switch.

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      Key Technical Specifications

      表格

      Item	Specification
      Product type	E50 modular limit switch operating head
      Catalog number	E50DT1
      Actuator type	Top pushbutton, adjustable spring return
      Pre-travel	0.040 in (≈ 1 mm)
      Differential travel	0.020 in (≈ 0.5 mm)
      Total travel	0.280 in (≈ 7.1 mm)
      Operating force	4 lb 8 oz (≈ 20 N)
      Head positioning	4-direction (keyed, field-rotatable 90° steps)
      Housing material	Die-cast zinc
      Gasket / seal	Viton® (standard)
      Ambient temperature	−10 … +121 °C (head); −10 … +105 °C (complete switch)
      Degree of protection (complete switch)	NEMA 1, 3, 3S, 4, 4X, 6, 6P, 13; IP67
      Connection	Plugs onto E50 body — no wiring in the head itself
      Series	A1
      Origin	Mexico

      Contact ratings (10 A @ 120/240 V AC, 600 V AC max, etc.) are defined by the E50 switch body mated to this head, not by the head itself.

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      Advantages & Features

      • Top pushbutton with adjustable spring return — ideal for direct vertical actuation by a plunger, cam or fixture; spring-loaded return resets the contacts when the actuator is released.
      • Modular E50 plug-in design — swap heads, bodies or receptacles on site without rewiring; stock one platform for many actuator styles.
      • Four-direction head rotation — keyed mounting lets the head be positioned in 90° increments to match the approaching target.
      • Die-cast zinc + Viton seals — resists cutting fluids, coolants, oils and washdown; NEMA 4X/6P / IP67 when assembled with the correct body and receptacle.
      • Adjustable spring return — tune the return force/travel to suit the application.
      • Field-replaceable — only the failed module (head, body or receptacle) needs changing, reducing downtime and spare-parts cost.
      • Industry-standard platform — long-running Eaton/Cutler-Hammer E50 line, widely supported globally.

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      Typical Applications

      • Direct vertical plunger / push-rod actuation on machine tools and fixtures
      • Presence / position detection where the target comes straight down onto the switch
      • Die-casting, stamping and molding machines with top-actuated limit points
      • Conveyor stops, elevating platforms and machine guards actuated from above
      • Automotive assembly, material handling and packaging machinery
      • Replacement head on existing E50 limit switches where the body and receptacle are still good