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China XGN15-24 High Voltage SF₆ Ring Main Switchgear - China Suppliers & Factory for Reliable Power Distribution Solutions Manufacturer, Factories

The XGN15-24 AC High-voltage SF₆ Ring Main Unit (RMU) represents cutting-edge technology in high-voltage electrical products, developed by a leading China-based supplier, Daya Electric Group. This innovative unit integrates advanced international technologies to meet the specific needs of domestic power grid enhancements and urban network upgrades, Thoroughly tested through rigorous type evaluations and extensive trial runs, the XGN15-24 RMU meets all national performance standards. It features a main switch, operating mechanism, and components crafted from the group's self-manufactured FLN36-24 SF₆ switchgear, available in both manual and electric operation modes, Constructed from riveted aluzinc-coated steel sheets processed with precision CNC machinery, the cabinet is designed for durability, reliability, and ease of use. It features robust mechanical interlocks and safeguards against misoperation. The compact and lightweight design, coupled with an aesthetic finish, ensures this unit fits seamlessly into various environments. Its pollution-free operation, extended service life, and minimal maintenance requirements make it ideal for a range of applications, including industrial sites, high-rise buildings, residential complexes, schools, and more, specifically for 24kV power distribution systems in ring networks and terminal distribution setups, Internally equipped with an SF₆ load switch or a combined SF₆ load switch-fuse unit, this RMU can expertly handle rated load currents, close rated short-circuit currents, and interrupt transformer no-load currents. The combined unit, equipped with fuses, effectively manages short-circuit currents up to 31.5kA, fulfilling critical roles in power system control and protection, As a trusted factory and supplier in the electrical industry, Daya Electric Group is committed to delivering high-quality products like the XGN15-24 RMU, ensuring reliable and efficient power distribution solutions for various sectors in China and beyond

Product Description

Operating Environmental Conditions
  • Altitude: Not exceeding 2500 m
  • Ambient Temperature: Upper limit +40°C; Lower limit -5°C
  • Relative Humidity: Daily average value not greater than 85% (at +25°C)
  • Vibration & Inclination: No violent vibration or jolting; Vertical inclination shall not exceed 5 degrees
  • Environmental Safety: Hazardous locations where explosions may occur are prohibited
Note: If the above normal operating conditions are exceeded, users may negotiate with the technical department for confirmation.
Internal Structure Components

The unit-type SF₆ ring main unit is meticulously engineered and composed of four key functional parts:

  • Busbar Compartment: Located at the upper part of the cabinet, where main busbars are interconnected throughout the switch cabinet row.
  • Load Switch: Utilizes FLN36 or FLN56 models. The housing is cast from epoxy resin and filled with SF₆ gas as the insulating medium, featuring an observation hole and optional gas density gauges or relays.
  • Cable Compartment: A generous space designed for single-core or three-core cable connections via non-shielded terminals. It also accommodates lightning arresters, current transformers, and earthing switches.
  • Control Section: Houses the spring-operated mechanism, position indicators, and interlocking devices. It supports auxiliary contacts, trip coils, and electric operation upgrades.
Product Advantages

The XGN15-24 unit-type ring main unit features a cabinet body assembled by riveting aluzinc-coated steel sheets processed via advanced CNC machine tools. This ensures:

  • More aesthetic and professional appearance
  • Sturdier cabinet structure for long-term durability
  • Highly stable electrical and mechanical performance
Product Display
XGN15-24 Ring Main Unit Front View
XGN15-24 Detailed Component View
XGN15-24 Side Profile
Frequently Asked Questions
1. What is the maximum installation altitude for the XGN15-24?
The standard design supports altitudes up to 2500 meters. For applications higher than this, customized configurations are required to ensure insulation integrity.
2. Which insulating gas is used in the load switches?
The load switches (FLN36 or FLN56) use SF₆ (Sulfur Hexafluoride) gas as the primary insulating and arc-extinguishing medium, housed in a sealed epoxy resin casing.
3. Can the cable compartment accommodate additional components?
Yes, the compartment is designed with ample space to house lightning arresters, current transformers, and earthing switches alongside the main cable connections.
4. What makes the cabinet structure superior to traditional models?
Our units use aluzinc-coated steel sheets processed by CNC machines and assembled via riveting, providing better corrosion resistance and structural stability than traditional welded frames.
5. Is the XGN15-24 suitable for hazardous explosion-prone areas?
No, the operation is strictly prohibited in hazardous locations where explosions may occur. It is designed for standard industrial and commercial distribution environments.
6. What monitoring options are available for the SF₆ gas?
Depending on requirements, the switch compartment can be fitted with a gas density gauge or a gas density relay with alarm contacts for real-time monitoring.

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