Power Distribution Products
Reliable medium- and low-voltage equipment engineered for utility, industrial, infrastructure and commercial power distribution projects worldwide.
Core Product Portfolio
Explore configurable equipment families for safe switching, protection, transformation and distribution. QCHB is available as one series within our broader portfolio.

Medium Voltage Switchgear
Metal-enclosed solutions for dependable control, protection and isolation in demanding distribution networks.

Ring Main Unit (RMU)
Compact switching and protection for secondary distribution, renewable energy and urban infrastructure.

Gas Insulated Switchgear (GIS)
Space-efficient enclosed switchgear designed for stable operation in constrained or harsh environments.

Transformer Substation
Integrated prefabricated substations combining transformation, switching and low-voltage distribution.

Low Voltage Distribution
Modular distribution assemblies for safe power management, motor control and facility applications.

Vacuum Circuit Breaker
Reliable interruption and protection components for medium-voltage indoor and outdoor systems.
Product Selection Overview
Use these application points as an initial guide. Final equipment selection should be based on the project specification, applicable standard and system study.
Medium Voltage Switchgear
For primary and secondary distribution where controlled switching, protection and isolation are required.
- Configurable panel arrangements
- Protection and control coordination
- Indoor project applications
Ring Main Unit (RMU)
For compact secondary distribution networks, ring systems and distributed energy applications.
- Network topology review
- Switching and protection modules
- Installation-condition coordination
Gas Insulated Switchgear (GIS)
For space-constrained or challenging environments requiring an enclosed switchgear arrangement.
- Insulated enclosure configuration
- Feeder and section arrangement
- Site environment review
Transformer Substation
For integrated medium-voltage, transformer and low-voltage distribution packages.
- Capacity and voltage coordination
- Enclosure and site layout
- System interface review
Low Voltage Distribution
For facility power distribution, process loads and motor-control applications.
- Incomer and feeder arrangement
- Metering and control requirements
- Load and facility coordination
Vacuum Circuit Breaker
For medium-voltage switching and protection duties within compatible system arrangements.
- Rated duty and application review
- Mechanism and control supply
- Switchgear compatibility
Need a configuration for your project?
Share the system voltage, application, standards and project requirements. Our team will help identify a suitable product family.
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