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HV-LV Capacitor Bank Switchgear
HV/LV Capacitor Bank Switchgear

Scope of Application:Capacitor Bank Switchgear is designed for the safe switching, protection, and control of low-voltage (LV) and medium-voltage (MV) capacitor banks in industrial, commercial, and utility power systems. It ensures efficient reactive power compensation (RPC) to improve power factor, reduce energy losses, and enhance grid stability in compliance with IEC 60831, IEC 62271, and IEEE 18 standards.

LV Systems: 400V, 480V, 690V (50/60Hz)
HV Systems: 6.6kV, 11kV, 22kV, 33kV

Rated Current: 100A – 4000A (based on capacitor bank size)
Short-Circuit Withstand (IEC 62271): 25kA, 31.5kA, 50kA (1s or 3s)

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SF₆ Gas-Insulated Switchgear (GIS)
SF₆ Gas-Insulated Switchgear (GIS)

Scope of Application:SF₆ gas-insulated switchgear (GIS) is designed for 3.6kV to 800kV AC power systems, covering medium voltage (MV), high voltage (HV), and extra-high voltage (EHV) applications. It is particularly suited for space-constrained installations and mission-critical environments (e.g., urban grids, rail transit, offshore wind farms, industrial plants, and extreme climates), complying with IEC 62271-200/203.

Medium Voltage (MV): 3.6kV, 7.2kV,11KV, 12kV, 24kV, 36kV
High Voltage (HV): 72.5kV, 145kV, 245kV
Extra-High Voltage (EHV): 362kV, 420kV, 550kV, 800kV
Rated Current: 400A–6,300A (up to 8,000A for HV/EHV)
Short-Circuit Breaking Capacity: 16kA–80kA (1s thermal withstand)
Insulation Medium: SF₆ gas (rated filling pressure: 0.4–0.7MPa at 20°C)

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KYN28-12 Metal-Clad Withdrawable Medium Voltage Switchgear
3.3kV/6.6kV Explosion-Proof Switchgear

Scope of Application:The 3.3kV/6.6kV explosion-proof switchgear is designed for safe and reliable power distribution and control in hazardous environments where flammable gases, vapors, or dust may be present, such as oil refineries, chemical plants, mining operations, and other industrial facilities requiring ATEX or IECEx compliance.

Rated Voltage: 3.3kV / 6.6kV
Rated Current: 400A / 630A / 800A / 1250A (customizable)
Short-Circuit Current Rating (IEC 62271-100): 25kA / 31.5kA
Protection Degree: IP65 (IEC 60529)
Explosion-Proof Standard: IEC 60079 / ATEX / NEC (Class I, Division 1/2)
Operating Temperature: -20°C to +40°C

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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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Low Voltage PV Grid-Connected Cabinet
Low Voltage PV Grid-Connected Cabinet

Scope of Application:Low Voltage PV Grid-Connected Cabinet is designed for distributed PV systems, including commercial, industrial, and residential applications. It provides safe grid connection, power metering, protection, and monitoring to ensure stable PV system operation.

Rated Voltage: AC 230/400V
Rated Current: 63A/100A/160A/250A/400A/630A
Protection Level: IP65
Grid Connection Type: Single-phase/Three-phase
Communication Interface: RS485/Ethernet
Compliance Standards: IEC 61439, GB/T 15576

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MNS low-voltage switchgear
MNS low-voltage switchgear

Scope of Application:The MNS low-voltage switchgear is a modular and reliable power distribution solution for industrial, commercial, and utility applications. Designed for AC 50/60Hz systems with voltages up to 690V and currents up to 6300A, it enables efficient power distribution, motor control, reactive compensation, and lighting management in modern electrical networks

Rated current: 630A–6300A
Rated short-time withstand current: 50kA–100kA (1s)
Protection level: IP30–IP54
Installation method: Fixed/withdrawable
Main busbar rated current: ≤6300A

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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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INDUSTRY NEWS More
Switchgea
Development Directions of Switchgear under New Quality Productive Forces
      Enhancing development quality and transitioning from the previous extensive economic growth model to intensive, high-quality development are equally crucial for the evolution of switchgear.         The switchgear industry suffers from severe homogenization, with low-quality products proliferating unchecked through simple repetition, competing solely on price and cost while neglecting quality. This approach consumes vast material resources without regard for sustainability, prioritizing short-term compliance over long-term reliability.
2025/09/09
Marine Switchboard
Marine Switchboard Market Share Analysis and Development Trend Analysis
Conclusion: European players maintain short-term dominance in premium segments, but Chinese manufacturers are rapidly gaining ground through cost and scale advantages. Future competition will center on smart functionalities, green compatibility, and modular innovation, with technological agility determining market repositioning.
2025/07/17
Switchgear
The market share of Chinese switchgear exported to Indonesia
China holds 60-70% of Indonesia's switchgear imports, led by cost-competitive LV/MV products. Key drivers: Indonesia's power demand growth (6-7%/year) and infrastructure projects. Challenges include local content rules (TKDN) and certification. Growth areas: renewables and smart grids. Chinese firms advance via tech upgrades and localized production.
2025/07/16
Control-Switchgear
Chinese-Developed Intelligent Power Distribution Switchgear Debuts at Munich Event
Munich, Germany – From June 24th to 27th local time, the 27th Laser World of Photonics was held at Messe München. ShengLong Electric showcased its self-developed AI-iPanel, the world's first artificial intelligence power distribution switchgear, attracting significant attention from global professionals.
2025/07/15
technical knowledge More
Medium-Voltage-Switchgear
Type Testing of Medium Voltage Switchgear According to IEC Standards
Type testing of medium voltage switchgear in accordance with IEC standards may involve two scenarios: First, testing at domestic accredited testing stations in compliance with the IEC 62271 series standards, resulting in test reports that conform to IEC 62271. Second, testing at international STL (Short-Circuit Testing Liaison) testing stations according to IEC standards and STL guidelines.
2025/09/22
PV-Grid-Connected-Cabinet
Composition and Functions of a 400V PV Low-Voltage Grid-Connection Cabinet
A 400V PV Low-Voltage Grid-Connection Cabinet is a critical interface device that connects the photovoltaic (PV) power generation system to the low-voltage grid. It is a dedicated distribution panel integrating protection, monitoring, metering, and control functions. It is primarily composed of the following core components:
2025/09/11
Switchgear
Selection Standards for Standard Parts in Switchgear
Switchgear requires the use of many fastening standard parts such as bolts, nuts, washers, and rivets. It is essential to select appropriate standard parts based on different applications to ensure functional requirements are met while enhancing product safety and cost-effectiveness.
2025/09/02
Marine Switchgear
Medium Voltage Marine Switchgear Solution
  Incoming Line Configuration: Marine switchgear systems are powered by multiple diesel generators operating in parallel. Each incoming line must be equipped with voltage transformers for accurate voltage measurement on the supply side.
2025/09/01
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