12kV Solid Insulated Ring Main Unit (RMU) Three-Phase

Switchgear & Control · High/Medium Voltage (MV)

12kV Solid Insulated Ring Main Unit (RMU) Three-Phase

This solid insulated ring main unit (rmu) three-phase is designed for compact medium-voltage ring network distribution where reliable switching, feeder flexibility, and practical installation footprint are required. It supports urban distribution, RMU-integrated substations, renewable feeders, and project-oriented automation options.

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Technical Specifications

Rated Voltage 12 kV
Frequency 50 Hz / 60 Hz
Phase Three Phase
Structure Type Ring main unit (RMU)
Insulation Type Solid insulation
Standard IEC / GB / customized project specification
Installation Indoor / outdoor according to enclosure design
Application Distribution substations / industrial plants / building electrical systems

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Watch 100% factory routine testing & quality control inspections.

Pricing & Availability

Reference FOB Price

USD 2250

Public Marketplace Range

$1,700 – $3,700

Based on public listings. Often lead-generation or minimum-config prices — not full-scope.

Minimum Order

1 Set

Units in Stock

5

Model / Series

RMU

Indicative export reference only. Final offer depends on voltage, standards, materials, accessories, and project scope. Request a firm quote →

Product Information

Status

Published

Product ID

12KV_SOLID_INSULATED_RING_MAIN_UNIT_RMU_THREE_PHASE

Last Updated

2026-04-06 00:58:39.218329

Technical Highlights

  • This product combines structured cabinet design, practical electrical coordination, and project-specific configuration flexibility. It is suitable for power systems that need reliable switching or control performance, organized maintenance access, and scalable options for monitoring, communication, and protection.

Application Scenarios

  • Utility feeder control systems
  • Substations and transformer stations
  • Industrial plants and process power systems
  • Urban distribution networks
  • Renewable power distribution and collector systems

Key Features

  • Compact RMU structure for ring network distribution and feeder sectionalizing
  • Available in SF6, solid-insulated, or customized insulation architecture according to model
  • Suitable for urban distribution, renewable feeder interface, and compact substation integration
  • Project-oriented switching arrangement, protection options, and automation interfaces available
  • Space-efficient design for indoor or kiosk-based deployment
  • Supports export documentation and project-based configuration control

Optional Configurations

  • Rated current and short-time withstand current
  • Protection relay brand and function package
  • Incoming/outgoing feeder arrangement
  • Automation and communication interface
  • Cabinet dimensions, finish, and busbar layout
  • Accessory package and interlock scheme
  • Color, nameplate language, and document package
  • Ambient temperature, altitude, and installation condition adaptation

Internal Component Engineering Anatomy

High-precision 3D engineering cutaway model illustrating the core, windings, insulation, conservator tank, and protection accessories.

Ring main unit switchgear internal 3D cutaway model
High-Grade Silicon Core
Electrolytic Copper Windings
Tap Changer System
Buchholz & Temp Sensors
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XinHuan 12kV Solid Insulated Ring Main Unit (RMU) Three-Phase 2D AutoCAD General Arrangement Drawing Blueprint
Engineering Submittal Drawing

2D AutoCAD General Arrangement (GA) Drawing

Official XinHuan factory 2D vector General Arrangement drawing for 12kV Solid Insulated Ring Main Unit (RMU) Three-Phase. Includes front elevation view, top plan view, bushing center-to-center distances, mounting hole footprint, and complete vector group layout.

Full Dimensions ($L \times W \times H$)
Bushing Terminal Distances
Mounting Base Footprint
Vector Group & Title Block
Request CAD Submittal (.DXF / .PDF) Factory Quality Inspection

Frequently Asked Questions

Please send us your required rated voltage, current, feeder configuration, protection functions, communication requirements, and installation conditions for the solid insulated ring main unit (rmu) three-phase. Our team can recommend a suitable configuration and provide a quotation based on your project requirements.

The equipment can be produced according to IEC standards and customer technical specifications. Routine inspection records, wiring documents, component lists, and factory test information can be provided before shipment. Optional configurations for communication, enclosure protection, and project-specific electrical interfaces are available upon request.

Minimum order quantity is 1 Set. The product is prepared for export shipment with suitable packing and handling arrangements based on destination, lifting, and transport requirements. Technical documents, test reports, labeling confirmation, and pre-shipment coordination can be supplied according to order requirements. OEM/ODM support and project-based coordination are available for qualified inquiries.

Related Markets & Resources

Buyer's Guide

How to source from China

Standards & Compliance

The equipment can be produced according to IEC standards and customer technical specifications. Routine inspection records, wiring documents, component lists, and factory test information can be provided before shipment. Optional configurations for communication, enclosure protection, and project-specific electrical interfaces are available upon request.

Packaging, Delivery & Service

The product is prepared for export shipment with suitable packing and handling arrangements based on destination, lifting, and transport requirements. Technical documents, test reports, labeling confirmation, and pre-shipment coordination can be supplied according to order requirements. OEM/ODM support and project-based coordination are available for qualified inquiries.

Please send us your required rated voltage, current, feeder configuration, protection functions, communication requirements, and installation conditions for the solid insulated ring main unit (rmu) three-phase. Our team can recommend a suitable configuration and provide a quotation based on your project requirements.

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