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Allen Bradley Guardmaster Safety Relays 440N-Z21SS2H

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440N-Z21SS2H

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The 440N-Z21SS2H is a specialized non-contact safety switch produced by Allen Bradley, equipped for applications requiring precise safety measures. Featuring a nominal operational voltage of 24 VDC, this device has a robust design that enhances reliability and performance.

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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 440N-Z21SS2H

ManufacturerAllen Bradley
Product TypeNon-Contact Safety Switch
Product LineGuardmaster Safety Relays
Part Number440N-Z21SS2H
Weight0.50 lbs (0.23 kg)
UPC662074620319
Nominal Operational Voltage24 VDC
Housing TypeRectangular
Housing MaterialPBT, PBTP, Valox
Actuator TypeRectangular RFID
Sensing Distance18 mm
Output TypeDC PNP (Source) Output, Dual Safety
Connector Type1 M12, DC Micro, 8-pin connector with pigtail
Cable Length10 m
IP ProtectionIP69
Shock Acceleration30 g
Shock Duration1 ms
Vibration Frequency55 Hz
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The Allen Bradley 440N-Z21SS2H model is categorized as a non-contact safety switch, designed to meet the stringent requirements in safety-critical applications. Operating at a nominal voltage of 24 VDC, this device utilizes a rectangular RFID actuator, which provides a precise sensing distance of 18 mm. Its rugged rectangular housing, constructed from a combination of durable materials like PBT, PBTP, and Valox, ensures excellent resilience in demanding environments.

This model supports DC PNP output, providing dual safety capabilities, which enhances its suitability for safety applications. Connectivity is facilitated through a 1 M12 DC micro connector, which features an 8-pin design and an attached pigtail, facilitating straightforward integration into your systems. With a cable length of 10 meters, it offers ample reach for various installation scenarios.

Additionally, the device has a high IP69 protection rating, signifying robust resistance to dust and water ingress, making it ideal for environments where exposure to contaminants is prevalent. Withstanding shock acceleration of up to 30 g for a shock duration of 1 ms and vibrations at a frequency of 55 Hz, it ensures reliability under challenging conditions. Overall, the 440N-Z21SS2H safety switch is engineered for reliable performance while prioritizing safety in automation applications.