Allen-Bradley 509-DOD Motor Starter Contactor

Product Overview

Allen-Bradley 509-DOD is a NEMA full-voltage non-reversing motor starter designed for industrial motor control applications. It combines a magnetic contactor and overload protection relay to provide reliable motor starting, stopping, and overload protection.

Specifications

• Brand: Allen-Bradley (Rockwell Automation)
• Model: 509-DOD
• Product Type: Motor Starter / Contactor
• Series: Bulletin 509 NEMA Motor Starter
• Starter Type: Full Voltage Non-Reversing Starter (FVNR)
• NEMA Size: Size 3
• Control Voltage: 115/120V AC, 60Hz
• Motor Control Type: Direct-On-Line (DOL)
• Continuous Current: 90 A
• Overload Protection: Eutectic Alloy Overload Relay
• Overload Class: Class 30
• Auxiliary Contacts: Supports up to 8 auxiliary contacts
• Connection Type: Screw Terminal
• Mounting: Panel / Rail Mount
• Operating Temperature: Up to 65°C
• Enclosure Type: Open Type

Advantages & Features

• Integrated contactor and overload protection design
• Reliable motor starting and stopping control
• Provides thermal overload protection for motors
• High durability with long mechanical life
• Silver alloy power contacts ensure stable switching performance
• Suitable for heavy-duty industrial motor applications
• Easy installation and maintenance
• Supports auxiliary contact expansion

Applications

• Industrial motor control systems
• Factory automation equipment
• Pumps and fans
• Conveyors
• Compressors
• Material handling systems
• Manufacturing production lines
• HVAC and industrial machinery

Precautions

• Confirm motor voltage and current ratings before installation
• Verify control coil voltage compatibility
• Install according to electrical wiring standards
• Disconnect power before maintenance
• Ensure overload settings match the motor specifications
• Avoid operation in environments beyond rated conditions