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Allen Bradley Guardmaster Safety Relays 440R-N23129

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440R-N23129

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The 440R-N23129 from Allen Bradley is a safety relay designed to enhance operational security. Operating at a supply voltage of 24 VDC, this device features three normally open (NO) contacts for immediate safety functions and one normally closed (NC) contact for auxiliary outputs.

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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 440R-N23129

ManufacturerAllen Bradley
Product TypeSafety Relay
Product LineGuardmaster Safety Relays
Part Number440R-N23129
Weight0.44 lbs (0.20 kg)
UPC611320826951
Immediate Safety Outputs3 NO Contacts
Immediate Auxiliary Outputs1 NC Contacts
Supply Voltage Rating24 VDC
Terminal TypeFixed Screw Terminals
Reset TypeMonitored Manual Reset
Minimum Operating Temperature-5°C
Maximum Operating Temperature55°C
Minimum Storage Temperature-40°C
Maximum Storage Temperature85°C
Installation Altitude1000 m
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The 440R-N23129 model safety relay from Allen Bradley is engineered to provide advanced safety measures in various applications. With a supply voltage of 24 VDC, this relay incorporates three normally open (NO) contacts, delivering immediate safety outputs. Additionally, it features one normally closed (NC) contact for auxiliary purposes, making it versatile for integration into safety systems.

The relay's construction includes fixed screw terminals, ensuring secure and stable connections. For operational safety, the device utilizes a monitored manual reset method, which requires a manual action to reset, contributing to its reliability during safety-critical operations.

This unit is built to operate within a temperature range of -5°C to 55°C, making it suitable for various environments. In terms of storage, it can withstand temperatures from -40°C to 85°C. The 440R-N23129 can be installed at altitudes of up to 1000 meters, making it adaptable for high-altitude applications. The UPC for this safety relay is 611320826951, simplifying tracking and inventory management.