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Allen Bradley 156 Contactors 156-B50CB1

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156-B50CB1

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The 156-B50CB1 solid-state contactor by Allen Bradley is engineered for robust electrical control in 3-phase systems. This unit can handle line voltages ranging from 42 to 660 V AC and has a control voltage range of 5 to 24 V DC, making it suitable for diverse 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 156-B50CB1

ManufacturerAllen Bradley
Product TypeSolid-State Contactor
Product Line156 Contactors
Part Number156-B50CB1
Weight0.13 lbs (0.06 kg)
UPC612598711475
Number of Poles3 Poles
Number of Phase3-Phase
Minimum Frequency50 Hz
Maximum Frequency60 Hz
Maximum Operating Humidity80% RH (Non-Condensing)
Maximum Storage Humidity80% RH (Non-Condensing)
Maximum Operating Altitude1000 m above sea level
Line Voltage42–660 V AC
Control Voltage5–24 V DC
Rated Current50 A
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The Allen Bradley 156-B50CB1 is a solid-state contactor that provides efficient control in three-phase electrical systems. This device operates across a line voltage range of 42 to 660 V AC, ensuring versatility in various applications. With an operational control voltage spanning 5 to 24 V DC, it is adaptable to different control requirements.

This contactor is equipped with three poles, designed specifically for handling the demands of 3-phase configurations. It operates effectively within a frequency range of 50 Hz to 60 Hz, supporting various industrial and commercial applications. The maximum current rated for this unit is 50 A, making it suitable for substantial load management.

Environmental conditions are well accounted for; the 156-B50CB1 can function in humidity levels up to 80% relative humidity, both during operation and storage. Additionally, it can be safely mounted at altitudes of 1000 meters above sea level, contributing to its operational reliability in high-altitude installations. Overall, this solid-state contactor is structured for long-lasting, dependable performance in industrial automation and control tasks.