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Allen Bradley 813S Relays 813S-VAB

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813S-VAB

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The 813S-VAB from Allen Bradley is a monitor relay optimized for voltage regulation. It provides under-voltage and over-voltage protection functions, ensuring system integrity under varying conditions.

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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 813S-VAB

ManufacturerAllen Bradley
Product TypeMonitor Relay
Product Line813S Relays
Part Number813S-VAB
Protective FeaturesUnder-voltage protection, Over-voltage protection
Output Contact Configuration2 × change-over contacts
Rated Voltage250 V
Voltage TypeAC
Powering TypeSelf Powered
Number of Phases3-phase
IP ProtectionIP20
Terminal TypeScrew Terminal
Max. Operating Humidity80% (Non-Condensing)
Storage Humidity80% Max. (Non-Condensing)
Installation Altitude1000 MSL
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The scale of performance delivered by the Allen Bradley 813S-VAB monitor relay is tailored to ensure consistent voltage management in electrical systems. Capable of functioning at a rated voltage of 250 V AC, this device operates effectively in three-phase applications. Its primary protective features include both under-voltage and over-voltage safeguards, which help prevent damage from adverse electrical conditions.

Self-powered, it eliminates the need for external power supplies, simplifying installation and setup. The output contact configuration comprises two change-over contacts, providing flexibility in various connectivity setups. Its rated IP20 protection level signifies resistance to solid particle ingress, though it offers no liquid protection.

Wiring is accomplished through screw terminals, which facilitate secure connections. Optimally functioning in environments with a maximum operating humidity of 80% (non-condensing), the 813S-VAB relay is designed without being affected by typical moisture levels in most industrial environments. The storage conditions also allow for the same maximum humidity. With an installation altitude limit up to 1000 meters above sea level, this monitor relay suits diverse operational settings. Overall, the 813S-VAB is engineered for reliability in monitoring voltage conditions and ensuring system safety.