Solution
Solution Portfolio
As a professional Ring Main Unit manufacturer, HM Power
provides a full range of modular, customizable Atmospheric sealed Natural Air insulated RMU solutions based on core ASNA technology, covering 12kV and 24kV voltage classes. All our SF₆-free switchgear solutions are fully compliant with EU F-Gas Regulation 2024/573, and can be flexibly combined for scenarios including main distribution networks, terminal power supply, metering & billing and dual-power systems, to meet diverse demands for new construction, renovation and intelligent upgrading of distribution projects worldwide.Combination of Multi-CB Units
Classic multi-circuit breaker configuration for main distribution networks and terminal power supply systems, featuring flexible expandability and reliable on-site fault isolation to minimize outage scope.
Multi-CB Combination with Busbar PT Unit
Multi-breaker scheme integrated with busbar voltage transformer, which provides measurement voltage and secondary circuit power, and supports intelligent distribution grid automation upgrading.
Combination of Cable Incoming Unit and CB Unit
Compact terminal power supply scheme with simple structure and easy installation, applied to branch line outlets and transformer protection, and can replace load switches and fuse-switches.
Multi-CB Combination with Metering Unit
Applicable to terminal power supply systems of distribution networks with metering requirements, providing both line protection and energy metering.
Multi-CB Combination with Dual Incoming PT Unit
Dual-power incoming scheme with real-time voltage monitoring, supporting automatic dual-power transfer, ideal for high-reliability scenarios such as hospitals, commercial centers and research institutions.
Multi-CB Combination with Busbar Sectioning/PT Unit
Single busbar sectionalized scheme with dual power access, which realizes interconnection power supply through bus tie cabinet, and maximizes the power supply reliability of the distribution system.
More Custom Solutions service
We also support fully customized scheme design according to specific project requirements, including ring main power supply schemes, dual-PT configurations and other combined solutions to meet diverse on-site distribution needs.
Customize functional modules and intelligent configurations according to different national grid standards and project requirements, compatible with global agent and EPC cooperation modes.
Provide complete English technical documents, installation guidance, remote commissioning and online training. On-site service is available for benchmark large-scale projects.
Standardized mass production system with sufficient production capacity and safety stock, supporting timely delivery of bulk orders, and adaptable to FOB, CIF, DDP and other international trade terms.
With a 40-year design service life, the equipment requires no gas leakage detection or replenishment, reducing full-life operation and maintenance cost by more than 60% and overall TCO by over 30%.
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No matter which stage your project is at, our professional team of engineers can provide you with full-process professional support from product selection, solution design, factory visits to delivery and maintenance.
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