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Allen Bradley Guardmaster Safety Relays 440R-E23159

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440R-E23159

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The 440R-E23159 from Allen Bradley belongs to the Guardmaster series, serving as a safety relay. This device operates on both 24 V AC and 24 V DC supply voltages, offering versatile compatibility for various applications.

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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-E23159

ManufacturerAllen Bradley
Product TypeGuardMaster
Product LineGuardmaster Safety Relays
Part Number440R-E23159
Weight1.38 lbs (0.62 kg)
EAN662073043522
Supply Voltage AC24 V AC
Supply Voltage DC24 V DC
Housing Width22.5 mm
Safety Outputs4 normally open (4 N.O.) safety outputs
Auxiliary Outputs2 normally closed (2 N.C.) auxiliary outputs
Fixed Time Delay0.5 s
Impulse Withstand Voltage2.5 kV
IP RatingIP40
Terminal ProtectionIP20
Contact MaterialSilver-tin oxide
Mounting TypeDIN-rail mounting
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The Allen Bradley 440R-E23159 is part of the Guardmaster safety relay series. This relay can be powered using 24 V AC or 24 V DC, providing flexibility for different systems. Its compact dimensions include a housing width of 22.5 mm, making it practical for tight spaces.

This unit features a total of four normally open safety outputs, ensuring effective safety management. In addition, it includes two normally closed auxiliary outputs to enhance functionality. Safety assurance is further complemented by a fixed time delay of 0.5 seconds, allowing for appropriate response times in safety applications. The relay can endure impulse withstand voltages of up to 2.5 kV, demonstrating robustness under electrical stress.

The IP40 rating protects against foreign objects, while terminal connections maintain an IP20 rating. These features contribute to overall reliability and safety in industrial environments. Constructed using silver-tin oxide contacts, this relay ensures durability and longevity. Designed for DIN-rail mounting, it facilitates straightforward installation in control panels. The 440R-E23159 relay is aimed at enhancing safety protocols in automation systems.