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Allen Bradley Bulletin 505 505-COB-23

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505-COB-23

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The 505-COB-23 part from Allen Bradley is categorized as a reversing starter designed for industrial applications. This unit boasts a rated current of 45 amperes and operates at a voltage of 460 AC. It supports inrush currents up to 483 amperes, making it suitable for demanding motor control tasks.

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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 505-COB-23

ManufacturerAllen Bradley
Product TypeReversing Starter
Product LineBulletin 505
Part Number505-COB-23
Weight12.00 lbs (5.44 kg)
UPC662468239011
NEMA SizeSize 2
Rated Current45 A
Inrush Current483 A
Rated Voltage460 V
Voltage TypeAC
Minimum Frequency Rating50 Hz
Maximum Frequency Rating60 Hz
Transformer-Primary Switching kVA Rating8.9 kVA
Motor StarterReversing starter
Enclosure TypeOpen Style
Number of Auxiliary Contacts8 contacts
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The 505-COB-23 reversing starter is engineered by Allen Bradley as part of the Bulletin 505 series. It operates effectively at a rated voltage of 460 volts AC, ensuring reliable control of motor functions. This unit handles a rated current of 45 A, with its design capable of managing inrush currents as high as 483 A, providing adequate support for high-power applications.

This reversing starter is designed to meet NEMA Size 2 specifications, correlating to its capacity and intended use in various industrial settings. It operates across a frequency spectrum from 50 Hz to 60 Hz and features a transformer-primary switching kVA rating of 8.9 kVA, outlining its suitability for sustaining motor loads while optimizing performance.

The product is equipped with an open-style enclosure, promoting easy access for installation and troubleshooting. Additionally, it offers 8 auxiliary contacts, enhancing its capability to interface with other control elements in a motor control circuit. Overall, the 505-COB-23 provides robust performance characteristics tailored for reversing applications in electric motor systems.