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Allen Bradley Guardmaster Safety Relays 440T-MRKSE11DA

Product image is representative; revision or series may vary. Contact us to request a specific version.

440T-MRKSE11DA

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The 440T-MRKSE11DA rotary key switch from Allen Bradley’s Guardmaster Safety Relays series plays a crucial role in safety applications. It features a dual purpose design with 2 normally open and 2 normally closed contacts, ensuring reliable operation.

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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 440T-MRKSE11DA

ManufacturerAllen Bradley
Product TypeRotary Key Switch
Product LineGuardmaster Safety Relays
Part Number440T-MRKSE11DA
UPC781180434112
Mounting TypeEnclosure Mounted
MaterialDie-cast Zinc/Plastic
Key TypeSingle Key
Actuator TypeRotary
Contact Configuration2 NO & 2 NC
Key CodeDA
Rated Current20 A
Key LabelingStandard Key Code Labeling
Voltage Rating240 V AC
Enclosure ProtectionIP65
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The Allen Bradley 440T-MRKSE11DA is a rotary key switch designed specifically for safety critical applications within the Guardmaster Safety Relays range. Operating at a voltage rating of 240 V AC, this switch is capable of handling a maximum current of 20 Amperes, enhancing its suitability for various control scenarios.

This component features a robust construction comprising die-cast zinc and plastic, ensuring durability even in demanding settings. It is tailored for enclosure mounting, making integration straightforward in existing control panels. The actuator operates via a rotary motion, providing a user-friendly interface.

In terms of functionality, the 440T-MRKSE11DA comes with a single key and adheres to standard key code labeling for clarity in operation and maintenance. The contact setup includes two normally open (NO) and two normally closed (NC) contacts, facilitating versatile control options.

Additionally, it boasts an IP65 ingress protection rating, indicating resistance to dust ingress and water jets, assuring dependable performance in various environments.