
Medium Voltage Switchgear
HXGN-12 Ring Main Unit
Product Overview
The HXGN-12 is a box-type, fixed indoor AC metal-enclosed switchgear assembly designed for 30 kV, 50 Hz three-phase systems. It is suitable for applications including engineering enterprises, residential communities, high-rise buildings, schools, and industrial parks.
Standards
- GB 16926-2009 High-voltage AC load switch-fuse combination apparatus
- GB/T 3906-2020 3.6kV~40.5kV AC metal-enclosed switchgear and controlgear
- IEC 62271-200:2024 High-voltage switchgear and controlgear - Part 200: AC metal-enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV
Technical Parameters
| Item | Load Switch Cabinet | Load Switch-Fuse Combination Cabinet |
|---|---|---|
| Highest voltage | 12 kV | |
| Rated voltage | 10 kV | |
| Rated short-time power-frequency withstand voltage (1 min) | 42 kV | |
| Rated lightning impulse withstand voltage (full wave) | 75 kV | |
| Load switch rated current | 630 A | |
| Rated load breaking current | 630 A | / |
| Rated max bus current | 1250 A | |
| Transformer no-load switching current | 16 A | / |
| Cable charging current | 25 A | / |
| Rated short-time withstand current (4s) | 25 kA | / |
| Rated peak withstand current | 63 kA | / |
| Rated short-circuit making current (peak) | 63 kA | 80 kA |
| Fuse max rated current | / | 100 A |
| Rated short-circuit breaking current | / | 31.5 kA |
| Rated transfer current of combination appliance | / | 1200 A |
| Protection class | IP4X | |
Contact Us
Company Address
No. 720 Yuandong Road, Fengxian District, Shanghai, China
Phone/WeChat/WhatsApp
+86-19101772387
info@infraswin.com