WENZHOU QIUPU ELECTRIC POWER CO., LTD.
WenZhou QiuPu Electric Power Co., Ltd. BECOME CHINA'S FIRST-CLASS PRODUCTION AND SALES OF HIGH-TECH ENTERPRISES .
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Mechanical Indoor AC HV Earthing Switch For Power System JN15-12/T40
Features:
JN15A-12/31.5 indoor AC high voltage earthing switch is an advanced level product with high-tech parameters performance. After comprehensive evaluation,it conforms to GB1985 and IEC62271 standard ,applies to power system of 3-12kV and three-phase AC 50Hz.It owns short-circuit making capacity to protect other electric equipment not being damaged.Can be used with various high voltage switchgear,also play a protective role in the high-voltage electrical equipment overhaul.
Earthing switch, a mechanical switch used in the grounding part of a circuit, belongs to the isolation switch category.
It can carry current under abnormal conditions(such as short circuit current) for a certain period of time, but it is not required to carry current under normal circuit conditions.
Note: Ground switches may have short circuit connection capacity.
Effect:
To ground high-voltage equipment and lines during maintenance in place of portable ground lines to protect personal safety .
| Item | Technical data | ||||||||||||
| Rated voltage (KV) | 12 | ||||||||||||
| Rated frequency(Hz) | 50 | ||||||||||||
| Insulator(capacity) | insulating | Frequency withstand voltage 5 min (KV) | 42 | ||||||||||
| Frequency withstand voltage 1 min (V) | 2000 | ||||||||||||
| Lighting impulse withstand voltage (KV) | 40 | 75 | |||||||||||
| sapce | 150mm-275mm | ||||||||||||
| Life | 1000 | ||||||||||||