A-B 188-J4B400 Miniature Circuit Breaker – Reliable Electrical Protection for Industrial Systems
The A-B 188-J4B400 Miniature Circuit Breaker delivers efficient electrical protection in demanding industrial control environments. Engineered with a robust thermoplastic construction, it withstands harsh conditions while ensuring precise performance and safety. Key specifications include:
- Rated Voltage: 400V
- Rated Current: 4 A
- Number of Poles: 4P
- Breaking Capacity: 6kA
- Compliance Standards: IEC/EN 60898-1
Featuring an advanced tripping mechanism, this breaker provides fast and accurate response to overcurrent faults, minimizing downtime. Its compact design facilitates easy installation and maintenance, with clear markings for quick pole configuration identification. Ideal for applications in manufacturing plants, data centers, and commercial buildings, it offers robust protection against electrical issues.
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Stoker Automation Technology, with over 20 years of expertise, operates a 5000 m² warehouse stocked with high-quality industrial components. We serve diverse sectors including metallurgy, oil and gas, power, and automation, providing reliable solutions and professional pre-sales and after-sales support. Many products come with a 2-year warranty. If you can’t find a specific model, reach out via email or WhatsApp.








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