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XGN15-12 Metal Enclosed Ring Main Unit

XGN15-12 Metal Enclosed Ring Main Unit

The XGN15-12 metal-enclosed ring network switchgear uses the SF6 load switch as the main switch and the whole cabinet adopts air insulation. This product is compact in structure, easy to install, and flexible to operate. It is equipped with multiple interlocks. Coupled with motor drive unit, PT, CT, UPS, and FTU, it can be used in the automation system of the distribution network. With modern sensor technology, latest protection relay, flexible assembly solution, our ring network switchgear can fully meet the constantly changing market demands.

Our product is equipped with the FLN36~12D load switch, which is produced independently by our company, or the SFG load switch produced by ABB Company. We can also configure the most advanced imported ISM series vacuum circuit breaker with magnetic actuator or domestic VB series vacuum circuit breaker according to the needs of users.

There are two operation modes: manual operation and electric operation.

Main Technical Parameters
Item Data
Rated voltage (KV) 12
Rated lightning impulse withstand voltage (KV) Phase to phase, phase to ground 75
Fracture to fracture 85
1min Power frequency withstand voltage (KV) Phase to phase, phase to ground 42
Fracture to fracture 48
Rated frequency (Hz) 50/60
Rated current (A) Main bus 630
Branch bus 630
Rated short-time withstand current (KA) Main loop 20
Ground loop 20
Rated short circuit withstand current duration (s) 3※
Rated peak withstand current (KA) 50※※
Transfer current (A) 1700
Protection grade IP3X
Mechanical life of load switch (times) >5000
Mechanical life of grounding switch (times) >2000

※ This parameter value is 25KA/2s for the RMU adopting SFG switch from ABB company.
※※ This parameter value is 63KA for RMU adopting SFG switch from ABB Company

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