EN
HXGN15-12 MV HV Ring Main Unit Switchgear
The HXGN15-12 Medium Voltage AC Metal-Enclosed Ring Main Unit (referred to as "Ring Main Unit" or RMU) is a new type of medium-voltage switchgear designed and produced for the needs of urban grid renovation and construction. It is suitable for AC 3~10kV distribution systems and is widely used in urban grid construction and renovation projects. It can also be installed in box-type substations, serving the functions of power distribution, control, and protection of electrical equipment. This ring main unit has strong modularity, compact size, and reliable "Five-Prevention" functions.
- Overview
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Product Overview:
The HXGN15-12 Medium Voltage AC Metal-Enclosed Ring Main Unit (referred to as "Ring Main Unit" or RMU) is a new type of medium-voltage switchgear designed and produced for the needs of urban grid renovation and construction. It is suitable for AC 3~10kV distribution systems and is widely used in urban grid construction and renovation projects. It can also be installed in box-type substations, serving the functions of power distribution, control, and protection of electrical equipment. This ring main unit has strong modularity, compact size, and reliable "Five-Prevention" functions.
Specifications and Parameters:
|
Rated Voltage |
12kV |
|
Rated Lightning Impulse Withstand Voltage |
75kV between phases and phase to ground, 85kV between break points |
|
1-minute Power Frequency Withstand Voltage |
42kV between phases and phase to ground, 48kV between break points |
|
Rated Frequency |
50/60Hz |
|
Rated Current |
Main Busbar 630A, Branch Busbar 630A |
|
Rated Short-Time Withstand Current |
Main Circuit 20/3S, Grounding Circuit 20/2S |
|
Rated Peak Withstand Current |
50kA |
|
Transfer Current |
1700A |
|
Protection Degree |
IP2X |
|
Load Switch Mechanical Life |
2000 operations |
|
Grounding Switch Mechanical Life |
2000 operations |
Product Features:
❖ The cabinet frame is made of aluminum-zinc-coated steel plates, processed by CNC equipment and laser cutting. The cabinet has no welding points and is fully assembled, offering high precision, high strength, corrosion resistance, lightweight, and good versatility.
❖ Optional FLN36-12 SF6 load switches and combination electrical devices, which are highly reliable, compact, long-lasting, and require no maintenance.
❖ The interlocking device is safe and reliable, fully meeting the "Five-Prevention" requirements.
❖ The back and top of the cabinet are equipped with pressure relief channels to ensure personal safety.
❖ The unit has a reliable grounding protection system.
Compliant Standards:
❖ GB3906
❖ IEC60420
