The High Voltage Distribution Cabinet is a key component in modern electrical power systems, designed for generating, transmitting, distributing, and converting high-voltage electricity. It is widely used by utilities, industrial plants, and infrastructure projects for safe and reliable power management. These cabinets feature robust construction with options for cold-rolled steel, aluminum-zinc coated steel, galvanized steel, or stainless steel to suit various operating conditions. The design ensures easy maintenance, modular configuration, and compatibility with different circuit breakers and protection devices. The KYN61 series is optimized for higher voltage and current ratings, while the KYN28 series offers compact dimensions for indoor applications. Both series comply with GB3906 and IEC standards, ensuring safety, reliability, and long operational life.

Technical Specifications (KYN61)

Parameter	Value
Rated Voltage	40.5 kV
Rated Current (Main Busbar / Circuit Breaker)	630–3150 A
Rated Frequency	50 Hz
Rated Short-Circuit Breaking Current	20/25/31.5 kA
Short-Circuit Duration	4 s
Protection Level	IP2X (cabinet), IP3X (breaker room)
Weight	~2400 kg

Technical Specifications (KYN28)

Parameter	Value
Rated Voltage	3.6–24 kV
Rated Current (Main Busbar / Branch Busbar)	630–5000 A
Rated Frequency	50 Hz
Rated Short-Circuit Breaking Current	20/25/31.5 kA
Protection Level	IP2X / IP3X
Weight	~1000 kg

About Manufacturer

WELTRUS (Hangzhou Weltrus New Energy Technology Co., Ltd.), part of the Welfull Group, is a trusted manufacturer of high-performance electrical equipment for power generation, transmission, and distribution. With advanced engineering and strict quality control, WELTRUS ensures that all products meet international safety and efficiency standards.