50Hz SM6 Switchgear 75KV / 85KV MV Ring Main Unit For High And Medium Voltage
Price:
$2000
MOQ:
1
Delivery Time:
15 days
Brand:
MacweyTEK
Product Description
SM6 RMU Ring Main Unit with 50Hz Frequency and 75/85KV Power Frequency Withstand Voltage for High and Medium Voltage Applications
With Circuit Breaker and Load Break Switch
Product Overview
All live parts of the gas insulation switchgear are enclosed in a stainless steel housing, making the entire switchgear unaffected by external environmental conditions. This design ensures reliable operation, personal safety, and maintenance-free performance. By selecting an extended busbar, any combination can be achieved to realize full modularity. The extended busbar is completely insulated and shielded, offering high reliability and safety.
Product Features
- Indoor type consists of functional units C, E, V, and D with freely selectable combinations
- Air cabinet uses SF6 gas as arc distinguishing and insulating medium
- Fully sealed and insulated switch cabinet structure
- Cavity filled with SF6 gas under absolute pressure of 1.4bar
- Protection grade of IP67
Technical Specifications
| Item | Unit | RMU | Load switch unit | Lead switch unit (V) | Load switch unit (F) |
|---|---|---|---|---|---|
| Rated voltage | KV | 12 | 12 | 12 | 12 |
| Rated current | A | 630 | 630 | 630 | 630 |
| Frequency | Hz | 50 | 50 | 50 | 50 |
| Rated short circuit breaking current | KA | / | / | 20 | |
| Rated short circuit losing current | KA | / | 50 | 50 | / |
| Rated thermal stability current | KA | 20 | 20 | 20 | / |
| Rated thermal stability time | s | 4 | 3 | 3 | / |
| Rated short circuit breaking current (fuse) | KA | 50 | 50 | 50 | |
| Rated transfer current | KA | / | / | 20 | 7 |
| Lightning impulse voltage | s | / | 31.5 | ||
| 1min power frequency withstand voltage | KV | 75/85 | 75/85 | 75/85 | 1700 |
| SF6 gas pressure (relative pressure 0℃) | KV | 42/48 | 42/48 | 42/48 | 75/85 |
| Annual leaking rate | Mpa | 0.04 | 42/48 | ||
| Internal combustion arc test | % | <0.5 | |||
| Air chamber protection grade | KA/s | 20-0.5 | |||
| Switch cabinet protection grade | IP67 | ||||
| Shell protection grade | IP3X IP33 |
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Ningbo Macwey Industrial Technology Co.,Ltd
Location
No.218, Weier Road, Chongshou Industrial Park, Cixi City (Ningbo), China
Contact Person
Alec Sung