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Allen Bradley Guardmaster Safety Relays 440T-MRKSE11MB

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

440T-MRKSE11MB

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The 440T-MRKSE11MB rotary key switch from Allen Bradley is designed for enclosure mounting. It features robust construction from die-cast zinc and plastic materials, designed for reliable performance in safety 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 440T-MRKSE11MB

ManufacturerAllen Bradley
Product TypeRotary Key Switch
Product LineGuardmaster Safety Relays
Part Number440T-MRKSE11MB
UPC781180796616
Mounting TypeEnclosure Mounted
MaterialDie-cast Zinc/Plastic
Key TypeSingle Key
Actuator TypeRotary
Contact Configuration2 NO & 2 NC
Key Removal Positions1
Rated Current20 A
Contact MaterialSilver Alloy
Voltage Rating240 V AC
LabelingStandard
Enclosure ProtectionIP65
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The Allen Bradley 440T-MRKSE11MB is a meticulously designed rotary key switch suited for safety control applications. It is intended for mounting directly into an enclosure, securing its integration in numerous setups. The unit is crafted from a combination of die-cast zinc and plastic, providing strength and durability in industrial contexts.

Equipped with a single key for actuation, the switch utilizes a rotary mechanism, enabling straightforward operation. Its contact configuration comprises 2 normally open (NO) and 2 normally closed (NC) contacts, facilitating versatile control over connected systems. The rated current for this component is 20 A, while it operates at a voltage of 240 V AC, making it suitable for a variety of electrical applications.

The contacts are composed of silver alloy material, which enhances conductivity and reliability during operation. Users will benefit from clear labeling on the device, supporting ease of use. The 440T-MRKSE11MB also provides protection against environmental factors with an IP65 rating, ensuring resilience against dust and moisture ingress. This rotary key switch is an effective solution for enhancing safety measures within machinery and control systems.