NXRING Fully Insulated and Fully enclosed Switchgear
NXRING is an indoor type metal-enclosed single bus swicth gear that is insulated with SF6 gas and fully meets type test requirements. It is suitable for the secondary power distribution system of the public power grid and the power distribution system in the industrial and other fields.
Its compactness and modular expansion make it an excellent cabinet for secondary power distribution applications.
Hertzman has been committed to meeting the high quality standards of users for many years, and has passed the following certifications:
ISO 9001：2000
ISO 14001：2004
OHSAS 18001
CNAS
- HERTZMAN
- ZHEJIANG,CHINA
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NXRING Gas -insulated RMU
Parameter
| Load switch | Combination appliances | v a c u um circuit breaker | |
| Rated voltage kV | 12 | 12 | 12 |
| Power frequency withstand voltage kV | 42 | 42 | 42 |
| Lightning impulse withstand voltage kV | 75 | 75 | 75 |
| Rated current A | 630 | Fuse rated current | 630 |
| Breaking capacity kA | 20 | 20 | |
| Closed-loop breaking current A | 630 | ||
| Cable charging breaking current A | 135 | ||
| Ground fault breaking current A | 200 | - | |
| Out-of-phase earth fault breaking kA | 17.32 | - | |
| Short circuit breaking current kA | 20 | By fuse | 25, 20 |
| Closing ability kA | 63 | By fuse | 63, 50 |
| Short-time withstand current kA/s: | 20/4 | 25/4, 20/4 | |
| Mechanical life times | 5000 | 3000 | 10000 |
| Mechanical Operation Sequence | O–0.3s–CO–180s–CO |
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