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Allen Bradley Guardmaster Safety Relays 440N-Z21SS2HN

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440N-Z21SS2HN

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The 440N-Z21SS2HN is a non-contact switch from the Allen Bradley Guardmaster Safety Relays series designed for reliable safety applications. It features a robust red plastic housing with an RFID sensor principle, providing high accuracy with a switching distance of 15 mm and a maximum switching voltage of 24 VDC.

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Ships from Raleigh, NC
2 Year DO Supply Warranty
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 440N-Z21SS2HN

ManufacturerAllen Bradley
Product TypeNon-Contact Switch
Product LineGuardmaster Safety Relays
Part Number440N-Z21SS2HN
Weight0.38 lbs (0.17 kg)
UPC662074849956
Safety Contacts2 NC Contacts
Body StyleCuboid Body
Housing MaterialPlastic
Connection TypeMicro M12
Actuator TypeCoded Actuator
Auxiliary Contacts1 Auxiliary Contact
Housing ColorRed Housing
Sensor PrincipleRFID
Switching Current200 mA
Terminal TypeM12 Terminal
Switching Distance15 mm
Switching Voltage24 VDC
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The Allen Bradley 440N-Z21SS2HN belongs to the Guardmaster Safety Relays series, recognized for its reliable non-contact switching capabilities. This unit features a cuboid body crafted from durable plastic, ensuring both resilience and function. The housing is distinctly red, enhancing visibility in various installations.

Utilizing a coded actuator with RFID technology, the switch delivers high precision at a switching distance of 15 mm. It is designed to operate securely at a switching voltage of 24 VDC and support a maximum switching current of 200 mA.

The device comprises two normally closed safety contacts, along with one additional auxiliary contact, providing flexibility in safety applications. Connection is achieved via a Micro M12 terminal, facilitating ease of integration into existing systems. Overall, the 440N-Z21SS2HN is engineered to enhance safety measures while maintaining operational efficiency.