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Allen Bradley Guardmaster Safety Relays 440R-S12R2

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440R-S12R2

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The Allen Bradley 440R-S12R2 is a versatile safety relay designed for integration within safety systems. It operates on a supply voltage of 24 VDC and features a dual channel universal input for flexible connectivity.

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Ships from Raleigh, NC
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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-S12R2

ManufacturerAllen Bradley
Product TypeSafety Relays and Expansion Units
Product LineGuardmaster Safety Relays
Part Number440R-S12R2
UPC885630181677
Weight0.44 lbs (0.20 kg)
Input Type1 Dual Channel Universal Input
Number of Safety Outputs2 Normally Open (N.O)
Number of Auxiliary Outputs1 N.C. Solid-State Auxiliary Output
Terminal X1 InputNot Available
Supply Voltage24 VDC
Terminal X2 OutputSingle Wire Safety or OSSD 50mA
Delayed Safety OutputsNot Available
Reset TypeConfigured Automatic/Manual or Manual Monitored Reset
Power Consumption2.5 W
Terminal TypeScrew Terminal
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Allen Bradley's 440R-S12R2 is a safety relay that serves as a critical component in safety circuits. This device features a dual channel universal input that allows for a single input setup. With two normally open (N.O) safety outputs, it ensures reliable operation for safety-related functions within machinery and equipment. Additionally, it integrates one normally closed (N.C) solid-state auxiliary output ensuring compatibility with various control functions.

The relay operates on a 24 VDC power supply, maintaining a power consumption level of 2.5 watts, which allows efficient functioning without excessive energy requirements. The output from terminal X2 is capable of delivering a single wire safety signal or an OSSD with capabilities up to 50 mA, allowing for straightforward integration into safety applications. However, please note that terminal X1 input is not available for this model.

As safety is paramount, this relay does not support delayed safety outputs; it is designed for immediate response in all scenarios. The reset capability is a configurable feature, accommodating both automatic/manual resets or a monitored manual reset, providing flexibility based on the application requirements. The use of screw terminals facilitates easy wiring and installation, making it practical for diverse setups. Overall, the 440R-S12R2 is designed to enhance operational safety while simplifying the integration of safety measures in various environments.