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HXGN-12 (F·R) Air-Insulated Ring Main Unit (12kV, Load Switch-Fuse)

The HXGN-12 (F·R) is an air-insulated fixed ring main unit engineered for 12kV indoor distribution. As a direct China manufacturer, we supply this completely SF6-free load switch-fuse combination to ensure reliable protection for oil-immersed transformers. Fully compliant with IEC 62271-200 standards , it offers a low lifecycle cost alternative for commercial and industrial substations. Contact our engineering team for OEM/ODM configurations and wholesale quotes.
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Product Overview

The HXGN-12 (F·R) is an advanced air-insulated fixed ring main unit tailored for 12kV indoor distribution networks. Integrating a high-performance load break switch with a fuse, this switchgear is specifically engineered for the protection of oil-immersed transformers. By utilizing air insulation and eliminating the need for SF6 gas, the HXGN-12 drastically reduces environmental impact and lowers overall lifecycle costs while ensuring continuous grid safety.

Technical Specifications & Parameters

Manufactured under strict quality control, this unit complies with IEC 62271-200 and GB 3906 standards. Below is the standard datasheet for bulk procurement:

Parameter

Specification Details

Rated Voltage

12 kV

Rated Current (Load Switch)

630 A

Fuse Rated Current

Up to 125 A

Rated Short-Circuit Breaking Current

31.5 kA (Fuse Protection)

Rated Short-Time Withstand Current

20 kA (3s)

Insulation Medium

Air-Insulated (No SF6 gas)

Protection Class

IP3X

International Standards

IEC 62271-200, GB 3906

Primary Applications

Designed for versatile indoor installations, the HXGN-12 RMU is an essential component for secondary substations and box-type substations. Its robust switch-fuse combination ensures uninterrupted transformer protection across various sectors:

  • Industrial Distribution: Heavy manufacturing facilities and industrial parks.

  • Commercial Distribution: Large shopping centers, office complexes, and data centers.

  • Residential Distribution: Urban infrastructure and residential power grids requiring high safety standards.

Request Wholesale Pricing

We supply standardized and OEM/ODM customized HXGN-12 air-insulated RMUs directly from our manufacturing facility. Wholesalers, EPC contractors, and global power integrators are welcome to submit project specifications. Contact us today to receive an accurate factory quotation, minimum order quantity (MOQ) details, and full technical datasheets.

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