509-DOD - Allen Bradley Magnetic Starter Description
509-DOD - Allen Bradley Magnetic Starter
The Allen‑Bradley 509‑DOD is a rugged, industry-standard full-voltage, non-reversing motor starter designed to reliably start and protect three-phase motors. Its compact NEMA Size 3 open frame delivers 90 A continuous current at up to 600 VAC, making it ideal for applications including pumping, HVAC, conveyors, and general industrial automation where space is at a premium and dependable motor control is essential.
Key Features and Benefits
- Full-Voltage DOL Starting: Direct-On-Line configuration delivers high starting torque for demanding loads.
- Thermal Overload Protection: Integrated eutectic alloy overload relay with manual reset ensures safe operation.
- Open-Frame Non-Reversing: Simplifies circuit design when reversing is not needed.
- Space-Saving Build: Compact format conserves panel space and simplifies retrofits.
Technical Specifications
- Starter Type: Full-voltage, non-reversing, 3-phase
- NEMA Size: Size 3 (Open Frame)
- Control Voltage: 110/120 VAC, 50/60 Hz
- Continuous Current: 90 A
- Max Motor Voltage: 600 VAC
- Max HP Ratings: 25 HP @ 200 VAC, 30 HP @ 230 VAC, 50 HP @ 415–575 VAC
- Poles: 3
- Auxiliary Contacts: Typically includes two normally open contacts
- Overload Relay: Eutectic alloy, manual reset
- Enclosure: Open frame; external disconnect required per NEMA/UL
Material Compliance and Certifications
- NEMA ICS-2 Compliant: Designed to meet motor starter performance and safety standards
- UL Listed / CSA Certified: Accepted for use in North American industrial applications
- Corrosion-Resistant Metal Components: Prolongs service life in harsh environments
Suitability and Use Cases
- Perfect for industrial and commercial applications needing high-reliability motor starting.
- Ideal for water treatment systems, air handlers, conveyors, pumps, and compressors powered by 3-phase motors.
- A top choice for OEMs and control panel builders where panel space, simplicity, and durability are key.
Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. All trademarks and registered trademarks are the property of their respective owners.
Specifications
- Width:5.25
- Height:12.25
- Depth:6.0
- Poles:3
- Amperes:90
- Type:509
- Sub-Category:Magnetic Starter
- Additional Notes:Allen Bradley, 3 Phase, NEMA Size 3, Class 509, Open Type, Full Voltage Non-Reversing, Magnetic Starter with 120 Volts A.C. Coil. HP ratings are: 25 @ 200Volts A.C.; 30 @ 230Volts A.C.; 50 @ 460Volts A.C.; 50 @ 575Volts A.C. Thermal Units (Heaters) are s
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