Allen-Bradley 509-A0B Industrial Motor Starter

Description:

The Allen-Bradley 509-A0B is a Bulletin 509 full-voltage non-reversing motor starter designed for across-the-line starting and protection of three-phase AC motors. This NEMA Size 0 open-type starter includes a CB273 electromagnetic coil and a 42185-800-01 overload relay assembly to provide reliable motor control and overload protection. It is commonly used in pumps, conveyors, compressors, fans, and industrial machinery requiring dependable motor starting and protection.

Applications:

The Allen-Bradley 509-A0B is designed to provide full-voltage starting and overload protection for three-phase squirrel cage AC motors. It is commonly used in conveyors, pumps, compressors, fans, mixers, and manufacturing equipment where reliable motor control is required. The starter can be operated by push buttons, pressure switches, float switches, thermostats, limit switches, and other pilot devices, making it suitable for a wide range of industrial automation applications.

Technical Specifications:

• Manufacturer: Allen-Bradley / Rockwell Automation
• Manufacturer Part Number (MPN): 509-A0B
• Product Series: Bulletin 509
• Product Type: Non-Reversing Motor Starter
• NEMA Size: 0
• Motor Starting Method: Full Voltage / Across-the-Line
• Maximum Voltage Rating: 600 VAC
• Continuous Current Rating: 18 A
• Motor Type: Three-Phase Squirrel Cage AC Motors
• Overload Relay: 42185-800-01
• Coil Part Number: CB273
• Coil Voltage: 440V AC 50 Hz / 480V AC 60 Hz
• Mounting Type: Panel Mount
• Enclosure Type: Open Style
• Frequency: 50/60 Hz
• Application: Motor starting and overload protection
• Compatible Equipment: Pumps, conveyors, compressors, fans, mixers, and industrial machinery
• Operating Environment: Industrial indoor applications
• Status: Legacy / Replacement component
• Designed for continuous-duty industrial motor control.

Common Replacements:

• Allen-Bradley 509-B0B Non-Reversing Starter
• Allen-Bradley 500F-AOD930 Contactor
• Schneider Electric TeSys NEMA Starter