China miniature circuit breaker types Manufacturer, Supplier, Factory

Low voltage Intelligent power quality hybrid compensation cabinet (after combining the complete set of devices) is installed in the cabinet, equipped with incoming circuit breakers and fast melting. Capacitor capacity can be any combination of 5kvar-60kvar; APF or SVG modules with capacities of 50A (35kvar), 100A (70kvar), and 100kvar are optional. Rear ventilation design with ventilation overcurrent mesh holes.

The 72.5KV Outdoor high-voltage SF6 open type combination electrical appliances stands out as an integrated electrical device specifically designed for high-voltage power transmission and distribution systems. Its unique composition includes circuit breakers, disconnectors, earthing switches, current transformers, voltage transformers, and surge arresters, all enclosed in a metal housing filled with sulfur hexafluoride (SF6) gas, a highly effective insulating medium.

The ZW32 series 12kv 630A Outdoor Pole Mounted Vacuum Circuit Breaker VCB is a reliable distribution device designed for outdoor use in harsh weather conditions. With a rated voltage of 12kV and a three-phase alternating current of 50Hz, it is suitable for a variety of applications, including substations, industrial and mining enterprises, and rural power grids that require frequent operation. The circuit breaker's compact size, lightweight, and resistance to condensation make it easy to maintain and operate. It can handle load currents, overload currents, and short circuit currents, ensuring a dependable performance in power distribution and control.

The 72.5KV Outdoor high-voltage SF6 ceramic column circuit breaker is designed for controlling and protecting 72.5KV transmission and transformation systems. It operates on a three-phase AC 50HZ outdoor high-voltage switchgear and can function and opener group. By utilizing the intelligent arc extinguishing principle of "thermal expansion+auxiliary blowing" and equipped with a CTB-1 operating mechanism, this circuit breaker meets the standards of GB1984-2003 and International Electrotechnical Commission standard IEC62271-100:2001 for High Voltage AC Circuit Breakers.

126KV Outdoor high-voltage SF6 circuit breaker is a high-voltage, three-phase AC 50Hz switchgear designed for outdoor use, ideal for controlling and protecting 126kV transmission and transformation systems. Additionally, it can function as a contact breaker and opener group. This circuit breaker utilizes an intelligent arc extinguishing principle that combines thermal expansion with auxiliary blowing, and features a CTB-1 operating mechanism. It meets the standards outlined in GB1984-2003 for AC high-voltage circuit breakers and is compliant with the International Electrotechnical Commission's IEC62271-100:2001 standard for high-voltage AC circuit breakers and control equipment.

Reliable Protection: The FATO DZ47sLE-63 Earth Leakage Circuit Breaker (ELCB) AC delivers robust dual protection against electric shock hazards and short-circuit faults, ensuring personnel safety and system integrity. Its integrated trip mechanism combines residual current detection (≤30mA sensitivity) and instantaneous magnetic tripping, effectively isolating faults while maintaining a secure operational environment. Wide Application Scope: Designed as a versatile miniature circuit breaker (MCB), it supports 1P+N, 2P, 3P, 3P+N, and 4P configurations, accommodating diverse electrical networks ranging from residential single-phase systems to industrial three-phase installations. The modular design ensures compatibility with global wiring standards, making it ideal for panel builders and system integrators. Durability & Cost Efficiency: Engineered with industrial-grade thermoplastics and silver-alloy contacts, this ELCB guarantees a minimum service life of 20,000 mechanical operations under IEC 60947-2 compliance. Backed by a 2-year warranty, its maintenance-free design reduces downtime and lifecycle costs, offering exceptional long-term value. Global Compliance: Certified to IEC 61009-1 (RCCB) and EN 60898-1 (MCB) standards, the device meets stringent international safety and performance requirements. Its universal design ensures seamless integration into both 50Hz and 60Hz grids, aligning with regional regulations across 230V/400V markets in Asia, Europe, and beyond. Customization Flexibility: Users can select optimized configurations for frequency (50Hz/60Hz) and voltage ratings (230V/400V), enabling tailored solutions for HVAC systems, machinery control panels, or renewable energy installations. Optional auxiliary contacts and shunt releases further enhance adaptability to complex automation scenarios.