Description
General
JN15-24/31.5 earthing switch
JN15-24 indoor high voltage Earthing 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.
Ambient condition:
- Ambient temperature scope: form -10°C to 40°C
- Altitude not more than 1000m
- Relative humidity: average everday not exceeding 95% Monthly average not more than 80%
- Pollution level: II
Specifications
JN15-24/31.5 earthing switch
Items | Unit | Data | ||
Rated voltage | kV | 24 | ||
Rated short-time withstand current | kA | 31.5 | ||
Rated short-circuit duration | s | 4 | ||
Rated short-circuit close current | kA | 80 | ||
Rated peak withstand current | kA | 80 | ||
Rated insulation level | 1min Power frequency withstand voltage | kV | Phase to earth/between phase | 65 |
Lighting impulse withstand voltage | 125 | |||
Mechanical endurance | times | 2000 |
Order Number
JN15-24/31.5 earthing switch