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Allen Bradley 871TM Sensors 871TM-BH5N18-R3

Product image is representative; revision or series may vary. Contact us to request a specific version.

871TM-BH5N18-R3

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The 871TM-BH5N18-R3 inductive proximity sensor from Allen Bradley offers precise detection capabilities. With a housing diameter of 18 mm, this sensor is designed for flush mounting and features a stainless steel body with a metal face for durability.

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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 871TM-BH5N18-R3

ManufacturerAllen Bradley
Product TypeInductive Proximity Sensor
Product Line871TM Sensors
Part Number871TM-BH5N18-R3
Weight0.13 lbs (0.06 kg)
Housing Diameter18 mm
Barrel LengthShort barrel
Housing MaterialStainless steel with metal face
Mounting TypeShielded (flush mountable)
Connection TypeMini quick-disconnect (QD)
Shock30 g (1.06 oz), 11 ms
Vibration55 Hz, 1 mm amplitude, 3 planes
Load Current≤200 mA
Capacitive Load≤1 µF
Leakage Current≤10 μA
Operating Voltage10-30V DC
Voltage Drop≤1V DC at 200 mA
Protection TypeFalse pulse, transient noise, reverse polarity, short circuit (trigger at 340 mA typical), overload
Indicator Status Indicators- Red: Output Energized
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The Allen Bradley 871TM-BH5N18-R3 is an inductive proximity sensor designed for reliable performance in industrial applications. Featuring a compact housing diameter of 18 mm and a short barrel length, this unit is suitable for flush mounting, making it ideal for constrained spaces. Constructed with stainless steel and a metal face, the sensor is built to resist harsh environments.

It utilizes a mini quick-disconnect (QD) connection for easy integration into existing systems. The sensor can handle a maximum load current of 200 mA and has a capacitive load threshold of 1 µF. With an operating voltage range between 10-30V DC, it provides flexibility across various voltage applications. A voltage drop of less than or equal to 1V DC is maintained even at 200 mA output, ensuring efficient operation.

In terms of durability, the 871TM-BH5N18-R3 can withstand shocks of up to 30 g for 11 ms and vibrations at 55 Hz with an amplitude of 1 mm across three planes, ensuring it performs reliably in dynamic settings. For safety, the sensor includes features that guard against false pulses, transient noise, reverse polarity, and short circuits, triggering at 340 mA under overload conditions typical. Additionally, it indicates operational status with a red light signaling when the output is energized and a green light flashing during power or short circuit conditions—specifically for the 18 mm models.