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Allen Bradley Guardmaster Safety Relays 440R-D23166

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440R-D23166

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The Allen Bradley 440R-D23166 is a DC safety relay from the Guardmaster Safety Relays series, engineered for reliability in critical applications. It operates at a voltage of 24 V and features a compact housing width of 22.5 mm, providing space-efficient integration in control panels.

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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-D23166

ManufacturerAllen Bradley
Product TypeSafety Relay
Product LineGuardmaster Safety Relays
Part Number440R-D23166
Weight0.44 lbs (0.20 kg)
UPC611320826388
Voltage Rating24 V
Voltage TypeDC
Housing Width22.5 mm
Output Type2 Safety Outputs
Minimum Operating Temperature-5°C
Maximum Operating Temperature55°C
Minimum Storage Temperature-25°C
Maximum Storage Temperature75°C
Installation Altitude1000 m
Relative Humidity5 to 95% (non-condensing)
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The 440R-D23166 safety relay by Allen Bradley is vital for applications that prioritize safety measures. This relay is constructed for direct current (DC) operation at a voltage rating of 24 volts. Its compact design, with a width of 22.5 millimeters, allows it to fit into tight spaces within electrical assemblies.

This model offers two safety outputs, enhancing its utility in safeguarding equipment and ensuring operational safety. It is designed to withstand an operating temperature range that spans from -5 °C up to 55 °C. During non-use periods, the relay can be stored in environments that don't exceed temperatures from a low of -25 °C to a high of 75 °C.

For proper installation, the 440R-D23166 safety relay can be mounted at altitudes of up to 1000 meters. Its ability to function in relative humidity conditions ranging from 5% to 95% makes it versatile in diverse settings, provided condensation is avoided. The UPC for this relay is 611320826388, ensuring easy identification in inventory systems.