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Withdrawable 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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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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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
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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.
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Marine Switchboard Market Share Analysis and Development Trend Analysis
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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.
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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.
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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.
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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:
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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.
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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.
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