Leading MCCB Manufacturer
Best Protection for Low Voltage
MCCBs are electrical safety devices used to protect high-current circuits from overload and short-circuit damage. These products can handle higher currents than standard MCBs, and GEYA offers leading segmentation capabilities at the same rated current compared to other suppliers.
- MAX breaking capacity: AC 100kA, DC 85kA
- MAX shell level current: 2000A
- Optional leakage protection, electronic LCD, time delay, double break point and other additional functions
- ISO9001, KEMA-KEUR, CE, CB Certified
- Special adjustable thermomagnetic GYCM8 models
GEYA Selected MCCB Series
Best Molded Case Circuit Breaker Manufacturer
Why Choose GEYA MCCB Manufacturer?
- Advanced Arc-Extinguishing Technology
Features an optimized arc chute design that rapidly interrupts fault currents in milliseconds, minimizing thermal and mechanical stress on downstream equipment. - Versatile Trip Unit Options
Available with high-precision electronic or reliable thermal-magnetic trip units. Adjustable current settings allow for precise matching to specific load profiles. - High Breaking Capacity, Compact Footprint
Delivers exceptional short-circuit breaking capacity (Icu/Ics) within a compact frame. This space-saving design optimizes panel layout and reduces overall enclosure costs. - Field-Installable Modular Accessories
Easily accommodates snap-on accessories—including shunt trips, undervoltage releases (UVR), auxiliary contacts, and alarm switches—to support complex control logic and remote monitoring.
- Industrial Automation & Manufacturing
Engineered for heavy machinery, motor protection, and main factory switchboards, easily handling high-intensity electrical loads. - Commercial Power Distribution
Acts as the primary protection for main incomers and vital branch circuits in low-voltage networks across shopping malls, office towers, and hospitals. - Data Centers & Critical Infrastructure
Provides uncompromising power reliability for server clusters and UPS systems where zero downtime is mandatory. - Renewable Energy & BESS
Ideal for AC-side solar PV grid integration, wind power generation, and utility-scale battery energy storage system (BESS) and UPS.
- Industrial Automation & Manufacturing
- Preventing Catastrophic Electrical Failures
- The Challenge: Sudden short circuits or severe overloads can destroy equipment and pose severe fire risks.
- GEYA Solution: With ultra-fast response times and high breaking capacities, the breaker isolates faults instantly, safeguarding expensive downstream assets before damage occurs.
- Ensuring Selective Coordination (No Nuisance Tripping)
- The Challenge: A localized fault can trip upstream breakers, shutting down entire systems and causing costly facility-wide downtime.
- GEYA Solution: Precision-adjustable trip curves enable full selective coordination. This ensures only the breaker closest to the fault trips, keeping the rest of your operation running smoothly.
- Adapting to Harsh Environments
- The Challenge: Extreme temperatures, high humidity, or grid fluctuations often cause standard breakers to malfunction or fail prematurely.
- GEYA Solution: Constructed with premium insulating materials and designed for wide operating temperature ranges, the rugged molded case ensures stable protection even under severe environmental conditions.
GEYA Boosts Your Business Growth.
Shell Level Current: 16~1600A
Available Poles’ Number: 1P~4P
Leading Breaking Capacity: C(Basic type), S(Standard type), M(Higher breaking type), H(Highest breaking type)
Handle Color for MCCB Brands: Available in a variety of colors
Multiple Optional Operating Modes: No code, P1, P2, ZY1, ZY2, ZF1, ZF2, Z3
Related Questions for Sales
GEYA is dedicated to building a leading brand in low-voltage electrical solutions, characterized by high standards and customized, comprehensive packages.
What international standards and certifications do your MCCBs comply with?
GEYA MCCB strictly implements the production standards of GB/T 14048.2 IEC60947-2. We are proud to hold world-class certifications including KEMA-KEUR, DEKRA, CB, and CE. These prestigious certifications guarantee that our circuit breakers meet the most stringent safety and performance requirements of the European market and global utility tenders.
What is the composition of the GEYA team?
GEYA operates an industrial control manufacturing facility with a workforce of over 200 employees. Our workshops are staffed by a dedicated technical team of more than 20 specialists responsible for R&D, solution research, and technical support; working in tandem with our sales consultants, they will provide you with comprehensive support throughout the entire process.
Do you provide full technical documentation and Type Test Reports for tender bidding?
How does GEYA ensure the quality consistency of its manufactured products?
GEYA implements a rigorous comprehensive inspection system. Every MCCB product manufactured by GEYA undergoes standard quality control procedures—including raw material inspection, switching tests, and visual checks—on the basis of which GEYA guarantees a ≥99% yield rate.
What is your Minimum Order Quantity (MOQ)? Do you support small-batch orders for new projects?
We operate with a highly flexible MOQ policy tailored to project demands. We understand that high-end European projects and tender bidding often require sample testing, pilot runs, or Factory Acceptance Testing (FAT) before mass deployment.
Whether you need a small batch of customized smart MCCBs for system integration testing, or tens of thousands of units for a national grid rollout, our agile manufacturing system guarantees the same KEMA-certified quality and dedicated engineering support.











