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Medium-Voltage Switchgear
Incoming-Line-Switchgear
10-15KV Incoming Line Switchgear

Product Introduction:This device is a key component in 10-15 kV power systems, distributing high-voltage electricity in substations while providing protection and control. Compliant with IEC/ANSI standards, it’s used in industrial, commercial, and utility networks.

Rated Voltage: 15kV ,12KV,11KV,10KV
Rated Current: 630A–4000A (configurable per load requirements)
Short-Circuit Breaking Capacity: 25kA–50kA (IEC standard)
Insulation Level: 28kV power frequency withstand/75kV lightning impulse
Ingress Protection: IP4X (enclosure)/IP2X (internal compartments)
Operating Mechanism: Spring-charged/motorized/manual

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11kV Switchgear
11kv Medium-Voltage Switchgear
Scope of Application:11kV switchgear Typical applications include main distribution rooms in factories, substations in commercial complexes, backup power systems in hospitals, and grid connection points in photovoltaic power plants. The design accommodates various operational configurations, including radial, ring-main, and double-busbar systems.
 
Rated Voltage: suitable for 15KV/12KV/11kV/10KV distribution systems
Rated Current: Standard ratings of 630A, 1250A, 1600A, 2000A, 2500A, and 3150A
Short-Circuit Withstand Current: 20kA/1s, 25kA/1s, 31.5kA/1s, and 40kA/1s
Insulation Medium: Air-insulated (AIS) or SFgas-insulated (GIS)
Circuit Breaker Type: Vacuum circuit breaker (VCB) or SFcircuit breaker
Operating Mechanism: Spring-operated or motor-driven spring-operated
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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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+86-13655813785
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+86-13655813785
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