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Allen Bradley Guardmaster Safety Relays 440T-MRKSE11DD

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440T-MRKSE11DD

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The 440T-MRKSE11DD is a rotary key switch from Allen Bradley's Guardmaster Safety Relays series. This model features an enclosure-mounted configuration suited for superior safety management in various applications, rated at 690 V AC.

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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 440T-MRKSE11DD

ManufacturerAllen Bradley
Product TypeRotary Key Switch
Product LineGuardmaster Safety Relays
Part Number440T-MRKSE11DD
Weight1.25 lbs (0.57 kg)
GTIN10781180971454
Trapped Key TypeSingle Key, Enclosure Mounted
Frequency Rating50/60 Hz
Mounting TypeSurface/Enclosure Mounted
Voltage Rating690 V AC
Key CodeDD
Enclosure ProtectionIP65
Contact Rating10 hp at 600 V
Power Rating7.5 kW
Key LabelingStandard Key Code Labeling
Rated Current20 A
Number of Keys1 key out
Contact Configuration2 NO & 2 NC
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Leveraging advanced safety technology, the Allen Bradley 440T-MRKSE11DD rotary key switch is designed for robust functionality in demanding settings. This model operates at a voltage level of 690 VAC, making it versatile for diverse applications. It features a single key type, which is mounted within an enclosure, designed to enhance safety controls in operational settings.

Arranging for surface or enclosure mounting, this switch enables flexible installation tailored to specific environments. The device's frequency rating extends to both 50 and 60 Hz, ensuring compatibility with various electrical systems. Equipped with an IP65 classification, the 440T-MRKSE11DD protects against dust and water intrusion, suitable for less-than-ideal conditions.

Regarding performance, the rotary key switch has a substantial contact rating of 10 horsepower at 600 V and is rated for power handling up to 7.5 kW. The device carries a rated current of 20 Amps and has a contact configuration consisting of 2 normally open (NO) and 2 normally closed (NC) contacts, allowing for flexible control capabilities. Additionally, it comes with standard key code labeling, and it outputs one trapped key, promoting safety in operational practices. Overall, the 440T-MRKSE11DD combines essential features and high reliability for effective safety management in various industrial applications.