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High-Voltage Switchgear
KYN61-40.5 withdrawable AC metal-enclosed high-voltage switchgear

Scope of Application:The KYN61-40.5 is a switchgear for three-phase AC 50Hz systems (40.5kV). It provides power distribution, protection, and control in power plants, substations, and industries, especially where frequent operation or high reliability is needed, like data centers, metallurgy, and chemical plants.

Rated Voltage: 24kV, 33KV,36kV, 40.5kV).
Rated Current: 1250A, 1600A, 2000A, 2500A, 3150A.
Rated Short-Circuit Breaking Current: 25kA, 31.5kA, 40kA.
Rated Short-Time Withstand Current: 25kA/4s, 31.5kA/4s, 40kA/4s.
Protection Degree: Enclosure IP4X, Compartment IP2X.
Internal Arc Classification: IAC-AFLR 40kA/1s (IEC 62271-200).

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XGN17-40.5 fixed-type high-voltage switchgear
XGN17-40.5 fixed-type high-voltage switchgear

Scope of Application:The XGN17-40.5 is an indoor AC switchgear for 40.5kV systems (IEC 36kV level). Used in power plants, substations, and industrial facilities, it handles power reception, distribution, control, protection, and monitoring. It supports single-bus or single-bus with bypass configurations and is designed for critical operations needing high reliability.

Rated Voltage: 33KV,34.5KV,35KV,36KV
Rated Current: Main bus 1250A/1600A/2000A/2500A; Feeder bus 630A/1250A/1600A/2000A
Insulation Parameters: Power frequency withstand voltage 95kV (1min); Lightning impulse withstand voltage 185kV
Control Supply: DC 24V/48V/110V/220V; AC 110V/220V

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High-voltage motor control switchgear
High-voltage motor control switchgear

Scope of Application:High-voltage motor control switchgear (3.3kV-15kV) controls, protects, and intelligently manages large industrial motors (like pumps and compressors) in heavy industries such as petrochemicals, power generation, and mining. metallurgy, and mining.

Rated Voltage: 3.3kV, 6.6kV, 7.2kV, 11kV, 12kV, 13.8kV, 15kV (compliant with IEC 62271-1/IEEE C37.04).
Rated Current: 400A to 5000A.
Rated Short-Circuit Breaking Capacity: 25kA/40kA (1s or 3s short-time withstand current).
Power Frequency Withstand Voltage: 28kV (12kV systems) / 38kV ( 15kV systems).
Lightning Impulse Withstand Voltage: 75kV (12kV) / 95kV (15kV systems).

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KYN28-12 Metal-Clad Withdrawable Medium Voltage Switchgear
33kV high voltage switchgear

Scope of Application:The 33kV high-voltage switchgear is designed for power distribution and control in industrial plants, power generation stations, and substations. It serves as a key component in medium-capacity power distribution networks, ensuring reliable energy transmission, protection, and monitoring.

Rated Voltage: 33kV
Rated Current: 630A / 1250A / 1600A / 2000A / 2500A / 3150A
Rated Short-Circuit Breaking Current: 25kA / 31.5kA / 40kA
Rated Short-Time Withstand Current (1s/3s): 25kA / 31.5kA / 40kA
Rated Peak Withstand Current: 63kA / 80kA / 100kA
Insulation Level: Power frequency withstand voltage 70kV, lightning impulse withstand voltage 170kV
Protection Class: IP4X (enclosure) / IP2X (compartments)

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Ring Main Unit (RMU)
Ring Main Unit (RMU)

Scope of Application:The Ring Main Unit (RMU) is a compact switchgear device used in medium-voltage power distribution systems (typically 10kV–35kV). It is suitable for urban power grids, industrial parks, commercial buildings, rail transit, renewable energy generation, and other applications, enabling ring-network power supply, line protection, and power distribution.

Parameters:Rated Voltage: 10KV/11KV/12kV / 24kV / 40.5kV
Rated Current: 630A / 1250A / 2500A
Short-Circuit Breaking Capacity: 20kA / 25kA / 31.5kA
Protection Level: IP67 (gas compartment) / IP4X (cabinet)
Insulation Medium: SF6 / Vacuum / Dry Air / Solid Insulation

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KYN28-12 Metal-Clad Withdrawable Medium Voltage Switchgear
KYN28-12 Metal-Clad Withdrawable Medium Voltage Switchgear

Scope of ApplicationThe KYN28-12 metal-clad withdrawable switchgear is designed for three-phase AC power systems (50Hz or 60Hz, rated voltages of 3.6kV, 7.2kV, 10kV, 11kV, 12kV and 15kV), and is used for power distribution, control, and protection in power plants, substations, industrial plants, and critical infrastructure. It is especially suitable for frequent switching and high-reliability applications.

Rated Current: 630A, 1250A, 1600A, 2000A, 2500A, 3150A
Icw: 25kA/4s, 31.5kA/4s, 40kA/4s
Ipk: 63kA, 80kA, 100kA
IP Rating:IP4X P2X

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Type Testing of Medium Voltage Switchgear According to IEC Standards
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