Protection
Overload and short-circuit protection for low-voltage AC systems
AC Miniature Circuit Breaker Supplier
Reliable DIN rail MCBs for residential, commercial, and industrial power distribution systems.
1P / 2P / 3P / 4P6A – 63AB / C / D CurveAC 230V / 400V
Available Options
AC MCB Pole Configurations
Engineered for Reliability
Installation
35mm DIN rail mounting, tool-free snap-on design
Options
1P, 2P, 3P, 4P configurations available
Applications
Distribution boards, control panels, machinery protection
Technical Specifications
AC MCB Specification Summary
POLES1P–4P
RATED CURRENT6A–63A
RATED VOLTAGEAC 230V / 400V
TRIP CURVEB/C/D Curve
| Product Name | AC Miniature Circuit Breaker |
|---|---|
| Poles | 1P, 2P, 3P, 4P |
| Rated Current | 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A |
| Rated Voltage | AC 230V / 400V |
| Trip Curve | B Curve, C Curve, D Curve |
| Breaking Capacity | 4.5kA / 6kA / 10kA (model dependent) |
| Mounting | 35mm DIN Rail |
| Application | Low-voltage power distribution |
| Customization | Logo, label, and packaging options available |
About TPKELE
Your Dedicated MCB Supply Partner
Based in Wenzhou — China's electrical manufacturing capital — TPKELE specializes in low-voltage circuit protection components for global distribution projects.
Our facility covers the full production cycle from mold tooling and injection to assembly, testing, and packaging. Every MCB batch undergoes 100% electrical verification before shipment.
- In-house production with full QC traceability
- OEM/ODM capability — custom logo, label, and packaging
- IEC 60898-1 and CE certified product lines
- Export experience to 50+ countries
Beyond Manufacturing
More Than Just a Circuit Breaker Manufacturer
At TPKELE, we go beyond manufacturing by offering a suite of value-added services tailored to meet your project needs. Every customer receives personalized attention, expert guidance, and seamless support throughout their journey with us.
Service Consultation
Whether your requirements are straightforward or complex, our team provides expert advice and technical consultation. For more intricate projects, we offer in-depth engineering support to ensure optimal product selection, guaranteeing safety and efficiency in your electrical systems.
Product Recommendations
Unsure which circuit breaker suits your system? Our specialists provide free, customized recommendations based on your specific operational and environmental requirements, ensuring you get the perfect fit for your electrical protection needs.
Logistics Support
If you lack a reliable freight forwarder, we can arrange transportation from our factory to your project site at no extra cost. Our logistics team ensures timely and secure delivery to keep your project on schedule, minimizing downtime and delays.
Installation Support
Need help with installation? Our technical team is available to answer your questions or provide hands-on support. For larger projects, we can even dispatch an engineer to your site for on-the-ground assistance, ensuring seamless integration within your electrical network.
MCB Supply · 72-Hour Quotation