High Voltage Switchgear
Rated Voltage: 12kV
Rated Current: 630A‑3150A
Rated Short‑circuit Breaking Current: 25kA/31.5kA
Application: Indoor substation, power plant, industrial plant
This complete high‑low voltage switchgear set includes KYN28A‑12 12kV medium‑voltage cabinet, drawer‑type feeder cabinet and GGD low‑voltage cabinet. It receives power from high‑voltage grid, works together with distribution transformer, distributes electric power to different loads, and provides short‑circuit, overload protection for power system. Widely used in power substations, factories, commercial buildings and mining projects.
1. OUR FACTORY
As a professional high‑voltage switchgear manufacturer, we own complete production facilities and standardized workshop for medium & high‑voltage power equipment. Supported by advanced manufacturing equipment, every switchgear unit undergoes strict quality control covering assembly, wiring and function testing. Our experienced engineering team implements standardized production workflow to guarantee consistent product quality. We provide OEM and ODM custom service for global clients, covering high‑voltage cabinets, low‑voltage distribution panels and related electrical components. With ISO certification, we strictly follow international standards. Fast delivery and reliable global after‑sales support help overseas projects finish on schedule. Our factory supplies complete power distribution solutions cooperating perfectly with distribution transformers for substations, industrial plants and infrastructure projects worldwide.
Detailed product description：
2. KYN28A‑12 & KYN61‑40.5
Our high‑voltage metal‑clad withdrawable switchgear includes KYN28A‑12 for 3.6‑12kV and KYN61‑40.5 for 12‑40.5kV power systems. Rated current ranges from 630A up to 4000A with IP4X protection degree, complying with IEC 62271 international standard. Equipped with vacuum circuit breaker, this series undertakes power receiving, distribution, control, protection and monitoring tasks. It delivers stable and safe performance for utility substations, factories, mining and large‑scale industrial projects. Modular withdrawable structure simplifies on‑site maintenance. Custom options for voltage grade, current rating and protection configuration are available to match different project requirements from global buyers.
3. PRODUCT FEATURES
KYN28A‑12 high‑voltage switchgear adopts mature withdrawable metal‑clad cabinet structure. Equipped with reliable five‑prevention interlock system, it effectively avoids mis‑operation and protects operator safety. Built‑in vacuum circuit breaker ensures long service life and stable switching performance. Independent compartments for busbar, circuit breaker, cable, relay‑instrument and earthing switch improve equipment safety with arc‑resistant design. It supports intelligent monitoring, compatible with protection relays and SCADA system for smart power grid. Draw‑out breaker module makes inspection and component replacement convenient without power‑off trouble. This cabinet meets strict safety requirements for indoor power distribution stations across worldwide industrial and utility projects.
