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Allen Bradley Guardmaster Safety Relays 440N-Z21W1PB

Product image is representative; revision or series may vary. Contact us to request a specific version.

440N-Z21W1PB

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The 440N-Z21W1PB from Allen Bradley is a non-contact switch specifically designed for safety applications. It features magnetically coded operation, ensuring reliable performance in various industrial environments.

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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-Z21W1PB

ManufacturerAllen Bradley
Product TypeNon-contact switch
Product LineGuardmaster Safety Relays
Part Number440N-Z21W1PB
UPC662074879250
Weight3.00 lbs (1.36 kg)
Magnetically CodedYes
ActuatorStandard
Standard Cable Lengths2, 5, or 10 meters
Case MaterialMolded ABS
Actuator MaterialMolded ABS
Auxiliary Output1 N.O. 200 mA output
Solid-state Relay Safety Outputs2 N.C. 50 mA outputs
Switch Response Time5 ms
Series Response Time5 ms
Maximum Operating Frequency1 Hz
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The Allen Bradley 440N-Z21W1PB is a non-contact switch from the Guardmaster Safety Relay series. This unit operates with a magnetically coded system, enhancing its reliability and safety in automated processes. Equipped with a standard actuator, this switch can be utilized in various applications. Users can select from standard cable lengths of 2, 5, or 10 meters, providing flexibility for installation.

The housing of the device is made from molded ABS, ensuring that both the case and the actuator are robust and capable of withstanding industrial conditions. Additionally, the switch includes an auxiliary output configured for one normally open (N.O.) contact at 200 mA and offers two normally closed (N.C.) solid-state relay safety outputs rated at 50 mA each.

The switch response time is precise at 5 ms, matching the series response time, which guarantees quick detection and interruption of operations when necessary. With a maximum operating frequency of 1 Hz, the switch is tailored for safety applications, making it an essential component in safety circuitry.