509-EOD - Allen Bradley Magnetic Starter Description
509-EOD - Allen Bradley Magnetic Starter
The Allen‑Bradley 509‑EOD is a rugged, full-voltage (Direct-On-Line) non-reversing motor starter designed for 3‑phase squirrel-cage motors. Built for industrial environments, this open-style NEMA Size 4 starter delivers up to 135 A continuous current with robust eutectic alloy overload protection, making it ideal for pumping, conveyor, HVAC, and heavy machinery applications requiring reliable single-direction motor control under 600 VAC.
Key Features and Benefits
- Versatile Coil Voltage: 110 V AC (50 Hz) / 120 V AC (60 Hz) coil supports standard control circuits.
- High Current Capacity: Handles 135 A continuous with a 156 A service limit—ideal for moderate to large 3‑phase loads.
- Peak Inrush Handling: Rated for up to 1,581 A peak inrush current for demanding start-up conditions.
- Durable Build: Open-style, corrosion-resistant metal construction ensures long-lasting reliability in harsh environments.
- Quick Integration: Compact layout and screw clamp terminals simplify wiring and panel mounting.
Technical Specifications
- Starter Type: Full-voltage, non-reversing, 3‑phase
- NEMA Size: Size 4 (Open Style)
- Control Voltage: 110 V AC @ 50 Hz / 120 V AC @ 60 Hz
- Continuous Current: 135 A; Service Limit: 156 A
- Max HP: 75 HP @ 380 VAC (3-phase)
- Inrush Current Peak: 1,581 A including offset
- Volt-Ampere Burden: 96 VA (60 Hz coil)
- Auxiliary Contacts: 1 normally open (silver alloy)
- Terminals: Screw clamp, 6–4 AWG, 275 in-lb torque
- Mechanical Life: Up to 5 million operations
- Pick-Up Time: ~27 ms; Drop-Out Time: ~20 ms
- Operating Temp: –25 °C to +65 °C (–13 °F to +149 °F)
- Mounting: Vertical orientation; Altitude Rating: Up to 10,000 ft
- Construction: Open enclosure with corrosion-treated metal parts and silver alloy contacts
Material Compliance and Certifications
- NEMA ICS‑2 Compliant: Conforms to industry standards for motor starter performance
- UL, CSA, CE, ABS Approved: Ensures international acceptance and code compliance
- Thermal Protection: Eutectic alloy overload relay provides consistent, temperature-compensated protection
Suitability and Use Cases
- Designed for industrial control panels, OEM machinery, and retrofit applications.
- Ideal for water treatment facilities, HVAC systems, material handling conveyors, and heavy-duty pumps or compressors.
- Best suited for applications demanding high starting torque and dependable overload protection for motors up to 75 HP at 380 VAC.
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Allen-Bradley® is a registered trademark of Rockwell Automation, Inc. Products sold are surplus, used, or refurbished and are NOT supplied by Rockwell Automation.
Specifications
- Poles:3
- Amperes:135
- Type:509
- Sub-Category:Magnetic Starter
- Additional Notes:Allen Bradley, 3 Phase, NEMA Size 4, Class 509, Open Type, Full Voltage Non-Reversing, Magnetic Starter with 120 Volts A.C. Coil. HP ratings are: 40 @ 200Volts A.C.; 50 @ 230Volts A.C.; 100 @ 460Volts A.C.; 100 @ 575Volts A.C. Thermal Units (Heaters) are
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