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Allen Bradley 808 Speed Sensing Switches 808-H17

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808-H17

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The 808-H17 from Allen Bradley is a speed sensing switch designed to monitor rotating machinery. It operates within a specified speed range, ideal for various applications, and features robust protective functionality.

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Ships from Raleigh, NC
2 Year DO Supply Warranty
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-H17

ManufacturerAllen Bradley
Product TypeSpeed Sensing Switch
Product Line808 Speed Sensing Switches
Part Number808-H17
Weight6.19 lbs (2.81 kg)
UPC781180855173
Mounting MethodBase mount
Speed Range15 to 60 revolutions per minute (RPM)
Control Circuit ProtectionEquipped with lockout protection
Operating Frequency50 to 60 Hertz
Maximum Operating Voltage600 Volts AC
Maximum Shaft Radial Load25 pounds (111 Newtons)
Contact RatingNEMA B600
Contact ConfigurationNormally Open (NO) contact
General ApplicationThis speed switch is mainly used in drill presses, milling machines, vertical lift equipment, conveyors, ventilation fans, pumps, punch press flywheels, and large machining tables
Maximum Shaft Axial Load20 pounds (89 Newtons)
Maximum Shaft SpeedUp to 2,000 revolutions per minute (RPM)
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Part of the 808 Speed Sensing Switches series, the 808-H17 model functions as a critical monitor for speed in rotating equipment used in numerous sectors. This unit is designed to be base-mounted and operates effectively within a speed range from 15 to 60 RPM, providing reliable monitoring across varied processes. The switch can also withstand a maximum shaft speed of up to 2,000 RPM, accommodating high operational demands.

When considering loads, the device supports a maximum radial load of 25 pounds (equivalent to 111 Newtons) and an axial load of 20 pounds (around 89 Newtons), ensuring stability while in operation. Its contact configuration is rated as normally open (NO), adhering to NEMA B600 standards for contact distribution, making it appropriate for various applications.

This speed sensing switch is equipped with lockout protection to safeguard control circuits from unforeseen circumstances. The device operates within the typical frequency range of 50 to 60 Hertz and can handle a maximum operating voltage of 600 Volts AC. The versatility of the 808-H17 is highlighted by its suitability for numerous applications, including drill presses, milling machines, conveyors, ventilation systems, pumps, and large machining setups. Its robust design allows it to maintain performance in diverse industrial environments.