A-B 140U-D6D3-C20 3-Pole Circuit Breaker, UL 489 Certified, 20 A, 3-Pole
The A-B 140U-D6D3-C20 Circuit Breaker is meticulously designed for high-performance protection in industrial electrical systems. It offers reliable circuit protection in a 3-pole configuration with a current rating of 20A, meeting the stringent UL 489 safety standards.
Key Specifications:
- Brand: A-B
- Model: 140U-D6D3-C20
- Type: Circuit Breaker
- Poles: 3
- Current Rating: 20 A
- Voltage Rating: 240 V
- Certification: UL 489
- Product Dimensions: L x W x H: 3.5 x 2.2 x 3.9 inches
- Weight: 0.5 lbs
This robust 3-pole circuit breaker from A-B provides dependable protection against overloads and short circuits in demanding industrial environments. The UL 489 certification guarantees compliance with strict safety standards, ensuring reliable operation under a wide range of conditions.
With its rated current of 20A, this circuit breaker is ideal for applications requiring precise control over electrical circuits. Constructed from high-quality materials, it ensures durability and longevity, making it a reliable choice for any industrial setup.
Designed for easy installation and maintenance, this circuit breaker simplifies the management of your electrical systems, enhancing overall system efficiency.



Stoker Automation Technology, established for over two decades, is a leading distributor of industrial automation products. With a vast inventory housed in our 5000-square-meter warehouse, we offer an extensive range of high-quality products for various industries. We pride ourselves on providing exceptional pre-sales consultation and post-sales support, including a 2-year warranty on select items. If you need assistance finding a specific model or have any questions, feel free to contact us via email.








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