3-7 Days Delivery Within U.S. - Call/Email For NEXT DAY AIR
📞 800-906-9271 ✉️ sales@plgautomation.com

Surplus Original Packaging

Allen-Bradley 509-AOB SER. B

$ 349.93

Includes PLG Automations 1-Year Warranty
Add to Cart Get a Quote Arrow
payment logos
Disclaimer: PLG Automation sells surplus, refurbished, & used items and is not an authorized distributor for the brands listed. Our products come with PLG Automation's 1-year warranty, not the original manufacturer's warranty. Trademarks and brands mentioned belong to their respective owners; the website is not endorsed by any manufacturer.
Learn more

Product Description


509AOB NON-REVERSING STARTER NEMA 3 PHASE SIZE 0 460-480V 60HZ OPEN W/O ENCLOSURE The Allen-Bradley 509-AOB Series B is a high-quality overload relay designed for protecting electrical motors and equipment from overload conditions. This relay is part of the 509 series and is engineered to provide reliable performance and protection in industrial automation systems. It offers adjustable settings to tailor protection to specific motor characteristics and operating conditions.

Technical Specifications


  • Model Number: 509-AOB
  • Series: B
  • Type: Overload Relay
  • Frame Size: Typically designed for use with specific frame sizes; check datasheet for compatibility
  • Current Rating: Adjustable within a specified range; refer to the datasheet for the exact range (e.g., 0.4 - 1.0 Amps)
  • Adjustment Range: Allows for fine-tuning of overload protection settings; verify the range in the datasheet
  • Mounting Type: Designed for panel or DIN rail mounting
  • Temperature Range: Generally operates within -25°C to +60°C (-13°F to 140°F)
  • Contact Configuration: Includes normally open (NO) and/or normally closed (NC) contacts; check datasheet for specific configuration
  • Enclosure Type: Often comes with a protective enclosure; verify the protection class in the datasheet (e.g., IP20)
  • Compliance: Meets industry standards for safety and performance, including UL, CE, and RoHS
0 Reviews for
Add A Review

You need to login for writing a review. Login to your account

Comments (0)

No Comments found !

Leave Your Comment

You need login for posting a comment. Login to your account

Additional Information

icn
Shipping Information

Free Shipping On All Orders. Most Products Ship From The US And Are Delivered Within 3-7 Days. Contact Phone Support or Sales For Overnight And 2 Day Shipping Options.

icn
Warranty Information

All Products Come With PLG Automation's 1-Year Warranty.

icn
Payment Method

We only accept online payments such as Visa, Mastercard, American Express, Discover, & PayPal. All payments are entirely secured.