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Allen Bradley Guardmaster Safety Relays 440K-C21090

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440K-C21090

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The 440K-C21090 is an interlock switch from Allen Bradley's Guardmaster Safety Relays series. It features three normally closed safety contacts and utilizes a flat actuator design, ensuring 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 440K-C21090

ManufacturerAllen Bradley
Product TypeInterlock Switches
Product LineGuardmaster Safety Relays
Part Number440K-C21090
Weight0.31 lbs (0.14 kg)
GTIN781180040986
Contact Configuration3 Normally Closed (3 N.C.) safety contact
Auxiliary ContactsNone
Actuator TypeFlat actuator
Number of Pins6-pins
IP RatingIP67
Housing MaterialPlastic
Connection TypeM12 micro quick-disconnect Connector
Housing ColorRed
Thermal Current Rating10.0 A
Max. Storage Humidity80% (non-condensing)
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The 440K-C21090 interlock switch is engineered for industrial safety applications. As a part of Allen Bradley's Guardmaster Safety Relays series, this switch is designed to ensure secure operational environments. It is configured with three normally closed safety contacts (3 N.C.), making it effective for maintaining safe operations in various setups. The actuator employed here is flat, which aids in the reliable activation and deactivation of the switching mechanism.

Constructed from plastic, the housing adds to its lightweight and durable design while the vivid red color allows for quick identification in safety contexts. The connection for this unit utilizes an M12 micro quick-disconnect connector, promoting straightforward installation and maintenance. The switch's IP67 rating ensures its capability to withstand harsh conditions including dust and immersion in water, providing protection essential for industrial environments.

With a thermal current rating of 10.0 A, this switch can handle substantial current loads, ensuring that it performs reliably under various conditions. It is also designed with storage humidity capabilities up to 80% non-condensing, emphasizing its robustness in varying environments without compromising functionality. Overall, the 440K-C21090 is an integral part of any safety system, ensuring compliance and operational integrity.