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Allen Bradley Bulletin 189 189-AR20

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189-AR20

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The 189-AR20 from Allen Bradley is designed as a right-mounted auxiliary contact. This component features a dual normally open (NO) contact configuration, making it suitable for various control tasks.

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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 189-AR20

ManufacturerAllen Bradley
Product TypeAuxiliary contact, right-mount, 2 NO
Product LineBulletin 189
Part Number189-AR20
Weight0.06 lbs (0.03 kg)
Contact Setup2 NO
Rated AC Load2 A @ 230 V AC
Rated High-Voltage AC1 A @ 400 V AC
Rated DC Load2 A @ 30–50 V DC
Control CategoryAC-14 / DC-12 / DC-13
Rated Frequency50 / 60 Hz
Mechanical Life20,000 operations
Mounting SideRight
Mounting MethodSnap-on
Shock Limit25 g @ 13 ms
Vibration Limit5 m/s² ≤ 150 Hz
Nominal Voltage230 V AC
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The Allen Bradley 189-AR20 auxiliary contact operates as a right-mounted device, featuring a total of two normally open contacts (2 NO) for flexible connectivity options. It can handle a rated load of up to 2 Amps for alternating current at 230 Volts. For higher voltage applications, it supports a maximum of 1 Amp at 400 Volts AC. In terms of direct current, this contact can manage loads up to 2 Amps within a range of 30 to 50 Volts DC.

Designed for versatile use, the 189-AR20 follows the AC-14, DC-12, and DC-13 control categories. Its operational capacity is optimized for frequencies of 50 and 60 Hz. The mechanical lifespan of this auxiliary contact boasts an impressive 20,000 operations, ensuring reliability over time. It is mounted on the right side using a simple snap-on method, facilitating straightforward installation.

The unit can withstand shock impacts up to 25 g for a duration of 13 milliseconds and is rated for vibration resilience up to 5 m/s², applicable for frequencies less than or equal to 150 Hz. Operating nominally at 230 Volts AC, the 189-AR20 is a robust choice for those requiring dependable auxiliary switching solutions.