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Allen Bradley Bulletin 509 509-EAA

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509-EAA

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The 509-EAA model from Allen Bradley is designed as a non-reversing DOL starter suitable for use in 3-phase applications. This starter has a rated power capacity of 50 HP and is equipped with eutectic alloy overload protection, ensuring reliable operation under various loading conditions.

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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-EAA

ManufacturerAllen Bradley
Product TypeNon-reversing DOL starter
Product LineBulletin 509
Part Number509-EAA
Weight56.00 lbs (25.40 kg)
UPC781180218590
Phases3-phase
Overload TypeEutectic alloy overload
Fuse CoverNone
Rated Power50 HP
Control Voltage AC 50Hz220 V
Control Voltage AC 60Hz240 V
Continuous Current135 A
Service Current Limit156 A
Max Auxiliary Contacts8
Main Circuit ConnectionScrew terminals
Heat Dissipation14.8 W (2–3 poles)
Coil Operating Range85–110% rated voltage
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The Allen Bradley 509-EAA serves as a non-reversing Direct-On-Line (DOL) starter, specifically engineered for three-phase motor applications. This device is rated for a maximum power output of 50 horsepower, making it suitable for various industrial purposes. Overload protection is managed through a eutectic alloy mechanism, which helps prevent equipment damage in excessive current scenarios.

For operational specifications, the 509-EAA unit supports a continuous current of 135 A, with a service current limit reaching 156 A. This ensures adequate handling of motor loads during regular functioning. The control voltage requirements are set at 220 V AC when running at 50 Hz and 240 V AC for 60 Hz operation.

This model can accommodate a maximum of 8 auxiliary contacts, allowing for expanded functionality. Main connections for the circuit are established via screw terminals, facilitating secure and efficient wiring. The heat dissipation for the unit varies at approximately 14.8 W for two to three-pole configurations. Additionally, the coil operates effectively within a voltage range of 85% to 110% of its rated voltage, ensuring reliable engagement under varying conditions.