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Allen Bradley Bulletin 509 509-DOB-9001

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509-DOB-9001

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The Allen Bradley 509-DOB-9001 is a non-reversing starter designed for efficient motor control. It fits into the NEMA Size 3 category and supports a main voltage of 480 V AC, with a current rating of 90 A and a horsepower designation of 50 HP.

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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 509-DOB-9001

ManufacturerAllen Bradley
Product TypeNon-Reversing Starter
Product LineBulletin 509
Part Number509-DOB-9001
Weight10.00 lbs (4.54 kg)
UPC885630278629
Starter SizeNEMA Size 3
Overload TypeEutectic Alloy
Auxiliary ContactsOn Starter
Phase3-Phase
Overload RelayIncluded
Voltage115–120 V
Enclosure TypeOpen Type
Contact Configuration2 NO/1 NC
Main Voltage Rating480 V AC
MountingPanel Mount
Current Rating90 A
HP Rating50 HP
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The 509-DOB-9001 from Allen Bradley is categorized as a non-reversing starter, suitable for controlling motor operations efficiently in three-phase applications. Designed as a NEMA Size 3 starter, it manages a robust current rating of up to 90 A, allowing it to handle significant load demands. This component is rated for a maximum voltage of 480 V AC, ensuring compatibility with high-power systems, while it operates from a control voltage supply of 115–120 V. It features an open-type enclosure, which aids in heat dissipation during operation.

Integrated into this starter is an overload relay based on eutectic alloy technology, providing reliable protection against overheating and equipment damage. The included auxiliary contacts are situated on the starter itself, allowing for added control functionalities. Notably, the contact configuration consists of two normally open contacts and one normally closed contact, enabling versatile applications in assembly.

The 509-DOB-9001 also supports panel mounting, facilitating straightforward installation in control panels. This non-reversing starter offers a horsepower capacity of 50 HP, making it suitable for various industrial motor applications where reversing capabilities are not required.