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Allen Bradley Guardmaster Safety Relays 440N-Z21S16H

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440N-Z21S16H

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The 440N-Z21S16H from Allen Bradley is a non-contact switch designed for safety applications. Featuring solid-state contacts, this device offers one normally closed and one normally open contact, suitable for various safety relay configurations.

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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-Z21S16H

ManufacturerAllen Bradley
Product TypeNon-Contact Switch
Product LineGuardmaster Safety Relays
Part Number440N-Z21S16H
Weight0.25 lbs (0.11 kg)
UPC662074620357
NC Contacts1 NC Contact
NO Contact1 NO Contact
Contact TypeSolid State Contact
Connector Type8-Pin DC QD Connector
Barrel MaterialPlastic Barrel
Barrel Size18 mm
Installation Altitude1000 m
Relative Humidity5 to 95% (Non-Condensing)
Operating Temperature Range-10 to 55°C
Storage Temperature Range-25 to 75°C
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The Allen Bradley 440N-Z21S16H switch is crafted as a non-contact device that enhances safety in operational environments. This model features both one normally closed (NC) contact and one normally open (NO) contact, utilizing solid-state technology for reliable performance.

The switch is equipped with an 8-pin DC quick disconnect connector, which simplifies wiring and ensures secure connections. Its barrel, measuring 18 mm in size, is made of plastic, contributing to its lightweight and sturdy design.

Designed to function within a temperature range of -10 to 55°C, this switch remains reliable across various operating conditions. It supports relative humidity levels from 5% to 95% without condensation, ensuring performance stability in different environments. Additionally, this unit can be installed at altitudes reaching up to 1000 meters, making it adaptable for diverse applications. The product identification UPC is 662074620357, which aids in inventory and tracking.