EATON E50DT1 E50 Limit Switch Top-Pushbutton Operating Head

Description

EATON E50DT1 E50 Limit Switch Top-Pushbutton Operating Head

The Eaton E50DT1 is a heavy-duty top-pushbutton operating head for Eaton’s E50 NEMA modular plug-in limit switch family. It mounts onto compatible E50 switch bodies to detect physical contact and mechanical end-of-travel positions in demanding industrial automation environments.

Technical Specifications

• Manufacturer & Series: Eaton (Cutler-Hammer) — E50 Heavy-Duty Plug-In Limit Switch Series
• Component Type: Limit Switch Operating Head (Top Pushbutton, Spring Return)
• Body Material: Die-cast zinc housing with standard Viton gaskets, seals, and boots
• Pretravel (Operating Point): 0.040 in (1.02 mm)
• Differential Travel (Reset): 0.020 in (0.51 mm)
• Total Travel: 0.280 in (7.11 mm)
• Operating Force: 4 lbs 8 oz (approx. 20 N)
• Operating Temperature: 14 °F to 250 °F (-10 °C to +121 °C)
• Environmental Ratings: NEMA 1, 3, 3S, 4, 4X, 6, 6P, 13, and IP67
• Certifications: UL Listed, CSA Certified, CE

Key Advantages

• Harsh-Environment Sealing: Meets NEMA 4X, 6P, and IP67 standards with Viton seals, protecting internal parts from coolants, hydraulic fluids, washdowns, and dust.
• Modular Plug-In Architecture: Pairs with E50 switch bodies and receptacles, letting maintenance teams swap heads or bodies quickly without rewiring field conduits.
• High Temperature Tolerance: Operates reliably up to 250 °F (121 °C), making it suitable near ovens, foundries, and high-heat machinery.
• Rugged Die-Cast Zinc Construction: Resists heavy mechanical shock and vibration on high-duty production lines.

Installation & Usage Precautions

• Head-Only Component: The E50DT1 is the top pushbutton actuator head assembly only; it must be paired with a compatible E50 switch body (e.g., 1NO-1NC or 2NO-2NC contact blocks) and plug-in receptacle to form a complete switch.
• Axial Actuation Alignment: Because it uses a direct top-push plunger without a roller, the actuating target must strike straight along the plunger’s vertical axis. Avoid side-loading or cam-sliding contact, which accelerates shaft wear (use roller-plunger models like the E50DT2 for cam actuation).
• Overtravel Protection: Ensure the machine’s mechanical stop prevents the target from exceeding the 0.280 in total travel limit, or internal damage can occur.
• Seal Integrity: Verify that the Viton gasket sits flat and clean between the head and switch body before tightening the mounting screws to maintain IP67 and NEMA 6P protection.

Applications

• Machine Tools & Metal Forming: End-of-travel stops and slide positioning on CNC machines, presses, and stamping equipment where cutting fluids are present.
• Material Handling & Conveyors: Detecting pallet stops, elevator limits, and gate positions in automated warehouses.
• Automotive & Heavy Manufacturing: Welding fixtures, assembly jigs, and transfer lines requiring high shock resistance.
• Water & Wastewater Systems: Valve position feedback and sluice gate limit detection exposed to moisture and outdoor weather.

Shipping Port: Xiamen, China

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