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Allen Bradley 801 Limit Switches 801-ASK1421

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801-ASK1421

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The 801-ASK1421 from Allen Bradley is engineered as a general-purpose limit switch renowned for its durability. It features a robust metal construction and lever type with a roller for efficient operation. Its NEMA size is classified as Size 4, indicating suitable dimensions for various applications.

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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 801-ASK1421

ManufacturerAllen Bradley
Product TypeGeneral-purpose limit switch
Product Line801 Limit Switches
Part Number801-ASK1421
Weight9.25 lbs (4.20 kg)
UPC781180763823
NEMA SizeSize 4
Material TypeMetal
Lever TypeRoller lever
Contact Arrangement4 neutral-position contacts
Nominal Travel to Operate Contacts26° at contact arrangement K
Minimum Over-travel4° (min) at contact arrangement K
Force to Operate Contacts17.8 N
Contact Current Rating – Standard Duty6.0 A
Contact Current Rating – Light Duty3.0 A
Housing Construction TypeCuboid
Suitable for Safety FunctionsYes
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The Allen Bradley 801-ASK1421 general-purpose limit switch is a versatile device suitable for a wide range of industrial tasks. With a NEMA size 4 rating, this limit switch has a sturdy metal housing that enhances durability in challenging environments. It features a roller lever mechanism, which facilitates smooth activation. The limit switch supports four neutral-position contacts, offering flexibility in how it can be integrated into control systems.

To engage the contacts, a nominal travel distance of 26° is required, with a minimum over-travel of 4°. Operational force is measured at 17.8 N, ensuring the device can handle various applications effectively. For contact ratings, the switch is rated for up to 6.0 A for standard duties, while light-duty applications can go as high as 3.0 A. The cuboid design of the housing allows for efficient installation and adaptation within different setups. Furthermore, this limit switch is deemed suitable for safety functions, reinforcing its value in automation and control applications.