E50KL201 Eaton

E50KL201 EATON Gate Module

Brand：EATON Model number：E50KL201

Country of origin: the States Product weight：0.55kg

HS code：8538900000

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Product Details：

Product Dimensions：

The E50KL201 serves as the mechanical actuator arm that directly contacts moving machinery or parts to trigger an electrical contact change inside a limit switch body. It features a rugged Type 303 stainless steel arm paired with a high-durability Nylatron roller. The operating lever belongs to Eaton’s modular E50 plug-in limit switch family, meaning it can be easily mounted to or swapped from any standard E50 side rotary operating head. Its adjustable design allows technicians to customize the functional length of the arm, offering high flexibility when retrofitting machinery or fine-tuning positional sensing on the factory floor.

Product Parameters

Product Type: Heavy-duty plug-in limit switch accessory / operating lever
Actuator Style: Adjustable roller lever
Lever Arm Material: Type 303 Stainless Steel
Roller Material: Nylatron (a high-strength, self-lubricating nylon variant)
Adjustable Length Range: $1.0 \text{ to } 3.75 \text{ inches}$ ( $25.4 \text{ to } 95.2 \text{ mm}$ )
Roller Dimensions: $0.75 \text{ inch}$ ( $19 \text{ mm}$ ) diameter by $0.32 \text{ inch}$ ( $8.1 \text{ mm}$ ) width
Minimum Required Return Torque: $1.90 \text{ in-oz}$
Operating Temperature Range: $14\text{°F to } 250\text{°F}$ ( $-10\text{°C to } 121\text{°C}$ )
Environmental/Ingress Ratings: Fully compatible with system ratings including NEMA 1, 3, 3S, 4, 4X, 6, 6P, 13, and IP67 when properly matched with an E50 switch assembly
Certifications: UL Listed, CSA Certified, CE Marked, and RoHS Compliant

Product Advantages

A key advantage of the E50KL201 is its Adjustable Length Mechanism, which enables precision positioning. Instead of maintaining an inventory of various fixed-length arms, facilities can utilize this single model to meet multiple mechanical profile requirements. The use of a Nylatron Roller provides excellent wear resistance and reduces physical friction against the target object, eliminating the need for external lubrication and preventing marring on delicate contact surfaces.

Furthermore, the Stainless Steel Construction of the lever body provides exceptional corrosion resistance. When paired with the standard Viton seals of the E50 series switch bodies, it shrugs off aggressive industrial fluids like synthetic cutting coolants, cleansing agents, and hydraulic oil.

Important Considerations and Precautions

When configuring the E50KL201, it is essential to monitor the Clamping Bolt Torque during installation; if the arm is not clamped tightly to the splined shaft of the rotary head, it can slip under high impact, causing a failure to actuate. Because limit switches rely on physical contact, you must ensure that the Cam Over-Travel of the machine target does not exceed the mechanical limits of the rotary head, as forcing the lever past its maximum deflection angle can bend the stainless steel arm or break the internal return springs of the switch.

Additionally, operators should perform periodic inspections of the Nylatron Roller in high-grit environments; abrasive dust can become embedded in the plastic, turning the roller into an abrasive surface that can prematurely wear down the machinery targets it interacts with.

Product Applications

The Eaton E50KL201 is deployed across a wide range of rugged automated industries where precise mechanical position verification is required.

Machine Tooling and CNC Equipment: Sensing the end-of-travel positions for heavy worktables, safety gates, and protective enclosures exposed to intense cutting fluids.
Automotive Manufacturing Cells: Managing part placement and presence verification along conveyor transfer lines and high-speed stamping presses.
Material Handling and Warehousing: Monitoring physical limits on overhead cranes, heavy-duty sorting gates, and lifting platforms.
Wastewater Treatment Facilities: Used on outdoor mechanical screens, clarifying rakes, and valve positioning systems due to its high NEMA and environmental ratings.
Packaging and Food Processing Machinery: Serving as a primary position sensor on high-volume bottling, sealing, and palatizing lines where regular washdowns occur.

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