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Allen Bradley Guardmaster Safety Relays 440R-S07140

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440R-S07140

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The Allen Bradley 440R-S07140 safety relay provides crucial functionality for safety applications, operating effectively within a voltage range of 110 to 230 V AC. This relay features a compact design suitable for DIN rail mounting and has an enclosure width of 45 mm, allowing for easy installation in confined spaces.

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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-S07140

ManufacturerAllen Bradley
Product TypeSafety Relay
Product LineGuardmaster Safety Relays
Part Number440R-S07140
Weight0.94 lbs (0.43 kg)
Rated Voltage110 to 230 V
Voltage TypeAC
Output Contact Configuration2 Normally-Open (N.O.) + 1 Normally-Closed (N.C.)
Enclosure Width45 mm
Mounting TypeDIN-rail Mount
Housing MaterialPlastic
IP RatingIP20
Number of Auxiliary Outputs1 N.C and 2 N.O
Max. Storage Humidity80% (Non-Condensing)
Max. Operating Altitude1000 MSL
Min. Operating Temperature Rating0 °C
Max. Operating Temperature Rating40 °C
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The 440R-S07140 model from Allen Bradley comes as a safety relay, engineered for essential safety applications. This device operates with an input voltage ranging from 110 volts up to 230 volts AC, which adds versatility in its application. The relay features two normally-open (N.O.) contacts and one normally-closed (N.C.) contact in its output configuration, which allows for various control schemes in automation tasks.

Built with a width of 45 mm, it is designed to mount easily on a DIN rail, aiding in streamlined installation in electrical enclosures. The housing is made from durable plastic, ensuring adequate protection in standard environments. Rated with an IP20 classification, the unit can resist minor external contaminants but should be utilized in less hazardous locations.

When it comes to environmental conditions, this relay can operate in temperatures ranging from 0 °C to 40 °C, making it suitable for a variety of industrial settings. Additionally, it is capable of handling a maximum storage humidity of 80% without condensation, providing assurance that it will perform reliably in diverse conditions. Operational parameters are also stable at altitudes of up to 1000 meters above sea level. With one N.C and two N.O auxiliary outputs, this relay offers flexibility in wiring options for different setups.