
Efficient 4000A Compact Air Circuit Breaker From Zhejiang Origin. High Breaking Capacity: Capable of interrupting high short-circuit currents with air arc-extinguishing medium. Advanced Electronic Trip Unit: Provides accurate and adjustable protection for overload, short-circuit, and earth faults. IEC 60947-2 Compliance: Manufactured in strict accordance with international IEC safety and performance standards. Flexible Pole Configurations: Available in 3-pole and 4-pole options to suit various circuit requirements. Withdrawable Design Option: Offers connected, test, and disconnected positions for enhanced safety and maintenance. Comprehensive Protection Functions: Includes conventional, failure protection, overcurrent, and overvoltage protection. OEM Customization Services: Supports custom branding, packaging, and product labeling according to client needs. High Production Capacity: Capable of producing up to 5000 pieces per week to meet large order demands.