Professional Molded Case Circuit Breaker Supplier

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.

As a Chinese manufacturer with 14 years of experience, PUGAO produces Shunt Trip AC Molded Case Circuit Breaker that serve as the safety core of industrial power distribution, distinguished by their exceptional breaking capacity and remote control capabilities. Designed specifically for 75kW–90kW motors and automated production lines, this product supports fire linkage and emergency remote tripping, boasting an ultra-long mechanical life of 15,000 cycles. It is the preferred choice for global buyers seeking highly efficient and secure protection solutions.

As a AC MCCB Distribution Breaker factory, pass CE/ISO9001 certified, offering stable performance and controllable costs; the adjustable trip unit flexibly adapts to diverse load protection requirements; an enhanced arc-extinguishing grid ensures rapid arc suppression, guaranteeing safety under fault conditions.

Pugao Factory offers a high-performance AC Molded Case Power Breaker, designed for robust circuit protection with up to 50kA breaking capacity. As a professional Manufacturer in China, we provide reliable thermal-magnetic trip units and advanced arc extinguishing systems. We welcome you to Customize your order with OEM/ODM services, ensuring tailored electrical safety solutions for industrial and commercial applications.