Advanced Switchgear Solutions

Comprehensive electrical switchgear manufacturing for low, medium, and high voltage power distribution systems. Engineered for safety, reliability, and optimal performance.

  LV/MV/HV Solutions
  Metal-Clad Design
  Custom Engineering
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Switchgear - Electrical Power Distribution Solutions

What is Switchgear?

Switchgear is electrical equipment used to control, protect, and isolate electrical circuits and equipment in power distribution systems. It combines switching devices with control, measuring, protective and regulating equipment.

 

Control & Switching

Provides reliable switching operations for electrical circuits, allowing safe connection and disconnection of power systems during normal and emergency conditions.

 

Protection & Safety

Protects electrical equipment and personnel from faults, overloads, and short circuits through advanced protective relaying and arc flash mitigation.

 

Monitoring & Control

Integrated measurement and monitoring capabilities for real-time system status, power quality analysis, and predictive maintenance.

Switchgear Product Range

Comprehensive solutions for all voltage levels and applications

High Voltage Switchgear

High Voltage Switchgear

35kV – 40.5kV systems for power substations, transmission networks, and large industrial facilities.

 Metal-clad design
 SF6 or air insulation
 Up to 3150A rated current
Medium Voltage Switchgear

Medium Voltage Switchgear

1kV – 35kV systems for industrial plants, commercial buildings, and utility distribution.

 Metal-enclosed construction
 Vacuum or SF6 breakers
 Digital protection & control
Low Voltage Switchgear

Low Voltage Switchgear

Up to 1kV systems for motor control, power distribution, and building automation.

 Modular design
 Withdrawable units
 Arc fault protection

Switchgear Applications

Powering critical infrastructure across diverse industries

 

Industrial Plants

Motor control centers, process automation, manufacturing systems

 

Power Utilities

Substations, transmission lines, distribution networks

 

Commercial Buildings

Office complexes, shopping centers, hospitals, data centers

 

Renewable Energy

Solar farms, wind turbines, energy storage systems

Advanced Features & Technologies

State-of-the-art switchgear design for modern power systems

Advanced Switchgear Technology
 

Digital Protection & Control

Microprocessor-based protection relays with advanced algorithms for precise fault detection and system monitoring.

 

Smart Grid Integration

IoT connectivity and communication protocols for seamless integration with smart grid infrastructure and SCADA systems.

 

Arc Flash Mitigation

Advanced arc flash detection and mitigation systems to protect personnel and equipment from dangerous arc fault incidents.

 

Eco-Friendly Design

Environment-friendly insulation materials and reduced SF6 usage for sustainable power distribution solutions.

Technical Specifications

Comprehensive switchgear solutions meeting international standards

Low Voltage Switchgear

Low Voltage (LV)

Voltage Range: 220V – 690V

Current Rating: Up to 6300A

Standards: IEC 61439, GB 7251

Applications: Motor control, power distribution

Medium Voltage Switchgear

Medium Voltage (MV)

Voltage Range: 3.6kV – 40.5kV

Current Rating: Up to 4000A

Standards: IEC 62271, IEEE C37

Applications: Industrial plants, utilities

High Voltage Switchgear

High Voltage (HV)

Voltage Range: 72.5kV – 550kV

Current Rating: Up to 3150A

Standards: IEC 62271, GB 1984

Applications: Substations, transmission

CHNRH Switchgear Advantages

17 years of excellence in electrical power distribution

 

Custom Engineering

Tailored switchgear solutions designed to meet specific application requirements and operating conditions.

 

Rapid Delivery

Efficient manufacturing processes and extensive inventory ensure faster delivery times than industry standards.

 

Quality Assurance

ISO9001 certified manufacturing with comprehensive testing and quality control processes.

 

Comprehensive Support

Complete lifecycle support including installation, commissioning, maintenance, and modernization services.

CHNRH Switchgear Manufacturing

Frequently Asked Questions

Common questions about switchgear systems

What is the difference between low, medium, and high voltage switchgear?

Low voltage switchgear operates up to 1kV and is used for motor control and building power distribution. Medium voltage switchgear operates from 1kV to 35kV for industrial plants and utility distribution. High voltage switchgear operates above 35kV for power substations and transmission networks. Each type has specific design requirements and safety considerations.

How do I choose the right switchgear for my application?

Switchgear selection depends on voltage level, current rating, fault current, environmental conditions, space constraints, and application requirements. Our engineers perform detailed analysis of your power system to recommend the optimal switchgear configuration including protection schemes, control systems, and safety features.

What safety features are included in modern switchgear?

Modern switchgear includes arc flash detection and mitigation, interlocking systems, ground fault protection, overcurrent protection, differential protection, and personnel safety barriers. Digital protection relays provide fast fault clearing and comprehensive system monitoring for enhanced safety and reliability.

Can existing switchgear be upgraded or retrofitted?

Yes, existing switchgear can be upgraded with modern protection relays, control systems, communication interfaces, and safety features. We provide retrofit solutions that extend equipment life, improve performance, and enhance safety while minimizing downtime and replacement costs.

What maintenance is required for switchgear systems?

Switchgear maintenance includes regular inspections, contact resistance testing, insulation testing, protection relay testing, mechanical operation checks, and cleaning. We recommend condition-based maintenance programs using diagnostic tools and predictive analytics to optimize maintenance schedules and prevent unexpected failures.

Get Your Custom Switchgear Quote

Ready to enhance your power distribution system? Contact our switchgear experts for a tailored solution.

Contact Information

 

Address

Feilong 2nd Road, Yueyang Community
Tongliang District, Chongqing, China

 
 

Specialization

Switchgear, Ring Main Units, Substations, Power Distribution

 

Certifications

ISO9001 | ISO14001 | ISO45001 | 3C | CQC | IEC Standards

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