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Allen Bradley Bulletin 871T 871T-G8K18

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871T-G8K18

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The 871T-G8K18 is an inductive proximity sensor from the Allen Bradley Bulletin 871T series. Designed with a mini quick-disconnect connection, it operates efficiently within a voltage range of 20 to 132V AC. The sensor features a red LED indicator for output status and has a sensing distance of 8 mm, contained within an 18 mm diameter housing.

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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 871T-G8K18

ManufacturerAllen Bradley
Product TypeInductive proximity sensor
Product LineBulletin 871T
Part Number871T-G8K18
Weight0.06 lbs (0.03 kg)
UPC662073470519
Connection TypeMini quick-disconnect
Operating Voltage20 to 132V AC
OutputNormally Open (NO)
ShieldingUnshielded
Sensing Distance8 mm
Housing Diameter18 mm
Sensing TechnologyInductive
Maximum Continuous Load Current500 mA
Inrush Current (1 cycle)5 A
Minimum Supply Current5 mA
Off-state Leakage Current1.7 mA
Output IndicatorRed LED
Operating Temperature-40°C to +70°C
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The Allen Bradley 871T-G8K18 serves as an inductive proximity sensor, suitable for various applications requiring non-contact detection. Its design allows it to operate with an input voltage range from 20 volts to 132 volts AC, enabling flexibility in different setups. The 871T-G8K18 comes with a mini quick-disconnect connection, facilitating straightforward installation and maintenance.

This sensor operates with a normally open (NO) output, allowing it to signal detection events. The sensing range is set at 8 mm, making it ideal for applications requiring close-range detection. The sensor has a housing diameter of 18 mm, which is compact for easy placement in tight spaces. Its unshielded design is suitable for environments where electromagnetic interference is minimal.

The unit can sustain a maximum continuous load current of 500 mA and is capable of withstanding an inrush current of 5 A for a single cycle. The minimum supply current required for operation is 5 mA. Additionally, the off-state leakage current is notably low at 1.7 mA, which enhances overall efficiency. A red LED indicator is integrated to provide clear visibility of the output status.

With an operating temperature range extending from -40°C to +70°C, the 871T-G8K18 is built to perform reliably in extreme conditions, making it appropriate for outdoor and industrial environments.