Reliable AC Molded Case Circuit Breaker Factory

If you are looking for a reliable Chinese manufacturer of AC molded case circuit breakers, we invite you to get in touch with Pugao(Plannter Electric). As a specialist in the research, development and production of AC molded case circuit breakers, we offer a complete product range backed by multiple domestic and international certifications that guarantee quality and compliance. Our 3P 1600A AC Molded Case Circuit Breaker stands out as a flagship product, delivering the high performance and reliability you can count on. Our engineers are available to offer specialized technical assistance. Reach out to us now to learn more!

The AC 690V Molded Case Breaker delivers superior dynamic/thermal stability with 85–100kA/1s Icw, 75–100% Ics for maintenance-free reuse post-fault, and intelligent trip units for precise selective protection. Its 15–30ms breaking time minimizes damage, while robust build ensures reliability in industrial, hospital, and airport distribution systems.

Meet Plannter Electric—your professional Chinese partner for reliable 800A High Capacity AC Molded Case Circuit Breaker. Designed with high-conductivity T2 oxygen-free copper for contact supports and busbars, these breakers go through precision stamping and surface treatments like tinning or silver plating to ensure excellent conductivity and oxidation resistance. They also offer a rated short-time withstand current typically between 65 kA and 100 kA (for 1 second). Have more questions about our products? We'd love to hear from you! Our team is always ready to assist.

When sourcing Industrial AC Molded Case Breaker, consider Pugao as your supplier. We operate with a skilled technical and R&D team and provide complete after-sales support. Our established quality system requires every product to undergo several tests prior to shipment, contributing to safe and reliable operation. In addition, our products meet various international certification standards, and we welcome OEM/ODM collaboration. For specific product details, please get in touch with us.

The Electrical 400A AC Molded Case Circuit Breaker features a high breaking capacity of up to 50–65kA, enabling it to rapidly interrupt high-magnitude fault currents and thereby protect critical equipment. Utilizing an advanced thermal-magnetic tripping mechanism, and incorporating high-quality insulating materials and silver alloy contacts, it offers both exceptional conductivity and a long service life. It is suitable for power systems across industrial, commercial, and infrastructure sectors, including various types of main distribution cabinets.

Pugao supplies AC High Voltage Molded Case Circuit Breaker to the global market, featuring high arc resistance, shock resistance, and dimensional stability. Assembled using specialized tooling with critical bolts tightened to precise torque specifications, every unit undergoes rigorous testing—including trip travel, contact pressure, and full-load evaluations—to ensure inter-pole synchronization and stable current-carrying performance. The entire product series is certified under ISO 9001, ISO 14001, and ISO 45001 standards.