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Allen Bradley 808 Speed Sensing Switches 808-H2

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808-H2

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The 808-H2 speed switch from Allen Bradley operates effectively within the 15 to 1000 rpm range for speed sensing, reaching a maximum shaft speed of 2000 rpm. This device is essential for controlling plugging functions in machinery.

Ships Mon, Jun 8.
2 Year DO Supply Warranty
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Ships from Raleigh, NC
Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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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 808-H2

ManufacturerAllen Bradley
Product TypeSpeed Switch
Product Line808 Speed Sensing Switches
Part Number808-H2
FunctionSpeed sensing switch for plugging
Speed Setting15 … 1000 rpm
Shaft Speed2000 rpm
Enclosure TypesNEMA Type 1, 4 and 13
Seal FeaturesDouble-shaft seal
Mounting ArrangementsFour mounting arrangements
Contact RatingContact blocks
Lock-out Solenoid OptionOptional lock-out solenoid kit
Operating Humidity80% max. (non-condensing)
Storage Humidity80% max. (non-condensing)
Installation Altitude1000 meters above sea level
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Allen Bradley's 808-H2 is a specialized speed switch tailored for precise speed monitoring, particularly designed for plugging applications. This device is adjustable to detect speeds ranging from 15 to 1000 rpm and can handle a maximum shaft speed of 2000 rpm, making it suitable for a variety of industrial settings. This speed switch utilizes a double-shaft seal, ensuring durability and reliability, even in challenging environments.

Its versatile design includes four different mounting arrangements, allowing ease of integration into existing systems. Compliance with NEMA Type 1, 4, and 13 standards ensures that the enclosure is suitable for numerous environments, providing adequate protection against environmental factors. The optional lock-out solenoid kit adds a layer of safety by providing an additional method for controlling operation.

This unit is rated to operate in humid conditions, with a maximum operating and storage humidity of 80% (non-condensing). It is built to function optimally at installation altitudes of up to 1000 meters. The 808-H2 speed switch is a crucial component for applications requiring precise speed control and reliable performance.