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Allen Bradley Guardmaster Safety Relays 440T-MRKSE110A

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440T-MRKSE110A

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The 440T-MRKSE110A rotary switch from Allen Bradley is part of the Guardmaster Safety Relays series. This switch operates with a rated current of 20.0 A and features a trapped key interlock design with a single key, which is mounted directly onto enclosures.

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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-MRKSE110A

ManufacturerAllen Bradley
Product TypeRotary Switch
Product LineGuardmaster Safety Relays
Part Number440T-MRKSE110A
UPC662073017653
Key Code LabelingStandard Key Code Labeling
Trapped Key Interlock TypeSingle Key Rotary Switch - Enclosure Mounted
Number of Keys1 Key Out
Contacts Configuration2 N.O. & 2 N.C.
Rated Current20.0 A
Key 1 Code TypeA Code
Number of Poles4 poles
Isolation Current100 A
Mounting TypeEnclosure Mount
Preferred Availability Key CodesOnly Key Codes A, B, AA, and BB are Included
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The Allen Bradley 440T-MRKSE110A rotary switch showcases advanced safety features and durable design for industrial environments. This particular item is classified as a rotary switch and falls under the Guardmaster Safety Relays series. Operating with an effective rated current of 20.0 A, it specializes in providing secure and reliable control.

The switch is engineered with a trapped key interlock mechanism, which utilizes a single key for enhanced safety protocols. This unit is designed for enclosure mounting, making it easy to incorporate into existing frameworks. It is structured with a configuration that includes 2 normally open (N.O.) and 2 normally closed (N.C.) contacts across its 4 poles, providing flexible operation options for various applications.

Reliability is further emphasized with an isolation current rating of 100 A, ensuring that electrical isolation standards are met in usage. The standard key code labeling enhances usability and identification. Only keys labeled A, B, AA, and BB are part of the preferred availability for this model, which specifies its operational characteristics further for optimal functioning.