
Qdw3 4000A Compact Air Circuit Breaker Acb for Industrial Use. High Breaking Capacity: Capable of interrupting high short-circuit currents with stable performance. Advanced Electronic Trip Unit: Provides accurate adjustable protection for overload, short-circuit, and earth faults. Flexible Configuration: Available in fixed and withdrawable types with 3-pole and 4-pole options. Wide Application Scope: Suitable for switchgear panels, power distribution cabinets, and generator systems. Strict Quality Control: Manufactured in accordance with IEC 60947-2 standards with consistent quality. OEM Customization: Supports OEM customization for brand logo, packaging, and product labeling. Fast Production Capacity: Production capacity of 5000 PCS/Week ensures timely delivery. Multiple Accessories: Integrates shunt release, motor-operated mechanism, and auxiliary contacts.