China circuit breaker 11kv Manufacturer, Supplier, Factory

The KYN28-12(Z) AC metal-clad switchgear 3.6KV 1250A Medium Voltage Power Distribution Cabinet is designed for use in three-phase AC power systems operating at a rated voltage of 12kV and frequency of 50Hz. This equipment is utilized for the reception and distribution of electric power, as well as for the control, protection, and monitoring of circuits.

40.5KV 1600 amp Outdoor high-voltage SF6 circuit breaker is a three-phase AC 50HZ outdoor high-voltage switchgear suitable for the control and protection of 40.5KV transmission and transformation systems. It can also be used as a connecting circuit breaker and a combination of opening and closing devices. The LW8-40.5AG circuit breaker adopts the principle of "thermal expansion+auxiliary blowing" intelligent extinguish arcs, equipped with a CT10 spring operating mechanism. The circuit breaker complies with GB/T1984-2014 "AC High Voltage Circuit Breakers" and meets the requirements of the International Electrotechnical Commission standard IEC62271-100:2001 "High Voltage Switchgear and Control Equipment - Part 100: High Voltage AC Circuit Breakers".

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.

ZW7-36 series 40.5KV Outdoor ceramic column HV Vacuum Circuit Breaker, a three-phase AC 50Hz outdoor high volt switchgear, is applicable for the 36 KV power distribution and transmission system to close or open the load current, over-load current, short-circuit current and so on.

In recent years, with the progress of society, economy, and technology, the field of engineering construction has become increasingly intricate. There is a rising demand for compact switch equipment that is low-maintenance and smart. Companies, both local and global, are working on the development of the 35KV 2000A MV Medium Voltage Gas Insulated Switchgear, also referred to as gas-insulated switchgear (C-GIS). This type of switchgear contains high-voltage elements like busbars, circuit breakers, isolating switches, and power cables in a shell with reduced gas pressure.

72.5KV Outdoor high-voltage SF6 ceramic column single-phase circuit breaker is a three- phase AC 50HZ outdoor high-voltage switchgear, suitable for the control and protection of 72.5KV transmission and transformation system; it can also be used as a contact breaker and opener group. is a three- phase AC 50HZ outdoor high-voltage switchgear, suitable for the control and protection of 126KV transmission and transformation system; it can also be used as a contact breaker and opener group.