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Allen Bradley 803 Rotating Cam Limit Switches 803-NK33

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803-NK33

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The 803-NK33 model is part of Allen Bradley's 803 series of rotating cam limit switches. This unit allows precise adjustments with a minimum dwell angle of 27° and a maximum of 33° for the normally closed (N.C.) contact to open. Conversely, the normally open (N.O.) contact can remain closed between 327° and 333°.

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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-NK33

ManufacturerAllen Bradley
Product TypeRotating Cam Limiting Switch
Product Line803 Rotating Cam Limit Switches
Part Number803-NK33
Weight0.38 lbs (0.17 kg)
Minimum Adjustable Degrees of Dwell N.C. Contact Opens27°
Maximum Adjustable Degrees of Dwell N.C. Contact Opens33°
Minimum Adjustable Degrees of Dwell N.O. Contact Remains Closed327°
Maximum Adjustable Degrees of Dwell N.O. Contact Remains Closed333°
Minimum Operating Temperature-30°C
Maximum Operating Temperature66°C
Minimum Storage Temperature-30°C
Maximum Storage Temperature93°C
Minimum Relative Humidity5% (Non-Condensing)
Maximum Relative Humidity95% (Non-Condensing)
Installation Altitude1000 m
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The 803-NK33 from Allen Bradley falls under the series of rotating cam limit switches. This device is engineered for applications requiring precise mechanical positioning. The adjustable dwell angles for the normally closed (N.C.) contact can be set from 27° to 33°. For the normally open (N.O.) contact, the range extends from a minimum of 327° up to a maximum of 333°, allowing for excellent flexibility in operations.

This switch can function effectively in environments with temperatures as low as -30°C and as high as 66°C during operation. Storage capabilities are also robust, supporting temperatures between -30°C and 93°C. Users should note that the device operates optimally at humidity levels ranging from 5% to 95%, ensuring non-condensing conditions to maintain performance.

Further, the installation of the 803-NK33 is permissible at altitudes up to 1000 meters, providing versatility for various operational settings, particularly in industrial and commercial applications. Overall, the 803-NK33 is a versatile limit switch designed with adjustable features for precise operational control.

Revision Part #Also known as
803-NK33 Ser A803-NK33/A, Series A, Rev A
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