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Allen Bradley 803 Rotating Cam Limit Switches 803-NK38

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803-NK38

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The 803-NK38 is a rotating cam limit switch produced by Allen Bradley, known for its precision in automated applications. It features adjustable dwells for both normally open and normally closed contacts, allowing for significant customization in control systems.

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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 803-NK38

ManufacturerAllen Bradley
Product TypeRotating Cam Limit Switches
Product Line803 Rotating Cam Limit Switches
Part Number803-NK38
Weight12.00 lbs (5.44 kg)
Adjustable Degrees of Dwell (NO Contacts)171-252°
Adjustable Degrees of Dwell (NC Contacts)108-189°
Cam Code DesignatorNumber 8
Compatible StyleCam for Style P
Number of Cams for One Circuit2 Cams
Cam Segment ShapeMoon Shaped
Minimum Operating Temperature-30°C
Maximum Operating Temperature66°C
Minimum Storage Temperature-30°C
Maximum Storage Temperature93°C
Installation Altitude1000m
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The Allen Bradley 803-NK38 is categorized as a rotating cam limit switch, designed to guarantee precise operation in control systems. This unit exhibits adjustable dwell angles for normally open (NO) contacts ranging from 171° to 252°, while normally closed (NC) contacts can be set between 108° and 189°. The flexibility in dwell adjustment makes it adaptable to various applications.

The cam code is designated as Number 8, and it is compatible with Cam for Style P. Each circuit can utilize two cams, enabling more complex configurations where needed. The segment shape of the cam is moon-shaped, which adds to the versatility of its operation.

In terms of environmental durability, the 803-NK38 operates effectively within temperatures from -30°C up to 66°C, and also allows for similar storage conditions within the same low and high temperatures. For installation considerations, this unit is rated for use at altitudes of up to 1000 meters, ensuring reliable performance across a range of environments.

Revision Part #Also known as
803-NK38 Ser A803-NK38/A, Series A, Rev A
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