A-B 188-J4D400 Miniature Circuit Breaker, 40 A, Overcurrent Protection Device
The A-B 188-J4D400 Miniature Circuit Breaker is engineered to provide robust protection against overloads and short circuits in industrial electrical systems. It excels in various applications such as manufacturing, automation, and energy distribution.
Featuring a trip type D, this circuit breaker is specifically designed for high inrush current environments, ensuring reliable operation in demanding conditions. Constructed from premium materials, it offers exceptional durability and longevity, making it an essential component for precise and dependable protection.
Its compact design allows for easy installation in confined spaces without sacrificing protective capabilities. The straightforward installation process, with clear markings and intuitive design elements, ensures ease of use even for those with minimal technical experience.
Certified to international standards (CE, UL, CSA), the 188-J4D400 guarantees optimal performance in challenging industrial settings. Ideal for manufacturing plants, commercial buildings, and data centers, its reliable performance and durable construction ensure long-term use and peace of mind.
Key Specifications:
- Manufacturer: A-B
- Model: 188-J4D400
- Rated Current: 40 A
- Number of Poles: 3
- Trip Type: D
- Rated Temperature Range: -30°C to +70°C
- Breaking Capacity: 6kA at 415V AC
- Certifications: CE, UL, CSA

Stoker Automation Technology has been a trusted supplier of automation equipment for 20 years, boasting a 5000 square meter warehouse. We offer a wide range of products across multiple industries, ensuring quality and reliability. If you have any questions or need assistance finding a specific model, please contact us via WhatsApp here or email us at abbdcs36@gmail.com.








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