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Allen Bradley Bulletin 871U 871U-X5J18

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871U-X5J18

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The 871U-X5J18 from Allen Bradley's Bulletin 871U series is a precision-designed proximity switch. It features a sensing distance of 5 mm with a barrel diameter of 18 mm and supports both normally open and normally closed output configurations.

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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 871U-X5J18

ManufacturerAllen Bradley
Product TypeProximity Switch
Product LineBulletin 871U
Part Number871U-X5J18
Weight0.25 lbs (0.11 kg)
Sensing Distance5 mm
Barrel Diameter18 mm
Output ConfigurationNormally Open (N.O.) and Normally Closed (N.C.)
Thread SizeM12 × 1
Mounting StyleBarrel-style threaded sensor
Output TypeIsolated output
Minimum Operating Temperature0 °C
Maximum Operating Temperature40 °C
Minimum Storage Temperature0 °C
Maximum Storage Temperature40 °C
Maximum Storage Humidity80% (Non-Condensing)
Maximum Operating Altitude1000 MSL
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The Allen Bradley 871U-X5J18 proximity switch is engineered for reliable sensing applications. It operates at a sensing distance of 5 mm, making it suitable for detecting various objects within a close range. The barrel diameter of this switch measures 18 mm, allowing for easy integration into various systems. Users can choose between normally open (N.O.) and normally closed (N.C.) configurations, providing flexibility for specific applications.

Designed with an M12 × 1 threaded connection, this barrel-style sensor offers straightforward mounting options. The output type is isolated, ensuring minimal interference with other devices in the system. In terms of temperature performance, it functions effectively between 0°C and 40°C, making it suitable for standard industrial conditions. The storage temperature is also consistent, with a range of 0°C to 40°C, allowing for dependable use in a variety of environments.

For environmental considerations, the 871U-X5J18 is constructed to withstand a maximum operating altitude of 1000 meters above sea level. Furthermore, it can endure up to 80% humidity under non-condensing conditions, ensuring robust performance even in slightly harsh settings.