Cutler-Hammer E50DH1 Heavy-Duty Limit Switch Head

Description

Cutler-Hammer E50DH1 Heavy-Duty Limit Switch Head

Product Dimensions：

The Eaton Cutler-Hammer E50DH1 is a highly durable, industrial-grade operating head designed for the E50 Series Heavy-Duty Plug-In Limit Switch system.

Here is the detailed comprehensive breakdown of the product documentation, specifications, advantages, precautions, and applications.

1. Product Description

The Eaton Cutler-Hammer E50DH1 is a specialized Side Pushbutton, Maintained Action operating head. It is part of Eaton’s modular E50 limit switch ecosystem, which is recognized globally as an industry benchmark for harsh industrial automation tracking.

The “Maintained Action” setup means that when an external object pushes the plunger inward, the switch trips and stays tripped even after the object moves away. It requires a distinct secondary reset or physical pull to restore the contact state, making it ideal for safety interlocking, over-travel prevention, and bistable position memory circuits.

2. Technical Parameters

The following technical data details the design constraints and electrical/environmental ratings of the E50DH1:

3. Key Product Advantages

• Modular Plug-In Versatility: As part of the modular E50 setup, the head can be quickly replaced or unbolted using captive posi-drive screws without touching any internal field wiring. This minimizes machinery downtime during swap-outs.
• Exceptional Chemical Resistance: Equipped with high-end Viton® seals and boots, it resists heavy cutting fluids, coolants, acidic cleansing agents, and synthetic lubricants commonly used in heavy machining or automotive stamping lines.
• Bistable Safety Memory: Because the mechanical state is maintained, it is safe against momentary mechanical vibrations or target drop-offs, locking down safety loops until a technician actively clears the zone.
• Industrial-Grade Ruggedness: Built with a solid zinc die-cast frame, this unit holds up against direct impact, heavy physical wear, and abrasive shop-floor debris better than plastic alternatives.

4. Operational Precautions & Limitations

• No Automatic Return: Remember that this is not a spring-return plunger. Do not use it in applications requiring the switch to automatically reset itself once an arm or lever moves past.
• Temperature Caps: Avoid deploying this device in temperatures dropping below 14°F (-10°C) or climbing past 201°F (94°C) as freezing or extreme thermal spikes can degrade the Viton internal sealing layer.
• Avoid Oblique Side Striking: The side pushbutton is designed for linear mechanical actuation along its central axis. Side-loading or angular shear impact from heavy cams can prematurely bend or fatigue the internal plunger shaft.

5. Industrial Applications

The E50DH1 is primarily installed in tough manufacturing and utility facilities where safety sequences require positive locking feedback:

• Machine Tools & Metal Forming: Tracking side-sliding shields, indexing tables, or emergency end-of-travel stop gates where a hard mechanical trip must remain locked out until manually cleared.
• Automotive Assembly Lines: Used in welding cells or overhead carrier lines to mark full mechanical travel states or convey path choices.
• Water & Wastewater Treatment Facilities: Position feedback on heavy slide gates, manual control valves, and water routing components where humidity and corrosive cleaning solutions are present.
• Material Handling & Logistics: Conveyor bypass tracks and transfer cars that toggle position states upon physical contact and must hold that state while the transport vehicle reverses.

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

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