Description
General
JN22-40.5/31.5 earthing switch
JN22-40.5/31.5 indoor high voltage grounding switch grounding switch is developed by our company. The product has the characteristics of advanced design, simple and compact structure, reliable technical performance, in line with GB1985-2004 “AC high voltage isolating switch and grounding switch” and the requirements of IEC62271-102:2002, suitable for indoor 12KV three-phase AC power system 50 (60) Hz; it has the ability to switch short-circuit protection equipment other electrical equipment is not damaged, can be matched with various high voltage switchgear. As the grounding protection of high voltage electrical equipment maintenance.
Specifications
JN22-40.5/31.5 earthing switch
| Items | Unit | Data | ||
| Rated voltage | kV | 36/38/40.5 | ||
| Rated short-time withstand current(4s) | kA | 31.5 | ||
| Rated short-circuit close current | kA | 80 | ||
| Rated peak withstand current | kA | 80 | ||
| Phase distance | mm | 300,350,400 | ||
| Rated insulation level | (1min)Power frequency withstand voltage | kV | Phase to earth/between phase | 95 |
| Lighting impulse withstand voltage | 185 | |||
Order Number
JN22-40.5/31.5 earthing switch
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Overall dimension
