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Jn15-12/31.5-210mm Earhing Switch with 12kv Indoor Switchgear
| Price | $110.99 |
|---|---|
| Min Order | 1 Piece |
| Availability | In Stock |
| Shipping From | Zhejiang, China |
| Popularity | 499 people viewed |
Model NO.:
JN15-12/31.5-210mm
Certification:
ISO9001
Shell Material:
Steel Plate
Voltage Level:
Medium Voltage
Installation:
Fixed
Structure:
Cabinet
Current:
DC
Rated Voltage:
12kv
Frequency Withstand Voltage:
42 Kv
Lighting Impulse Withstand Voltage:
75 Kv
Cut Current:
31.5ka
Trademark:
qiupu
Transport Package:
Carton
Specification:
210mm
Origin:
Cn
HS Code:
8538900000
Product Description
Ground switches and isolation switches are often combined into one device. At this point, in addition to having the main contact, the isolation switch is also equipped with a grounding switch for grounding one end of the isolation switch after separation. The main contact and ground switch are usually interlocked in such a way that the ground switch can not close when the isolation switch is closed and the main contact can not close when the ground switch is closed.
The ground switch can be divided into open type and closed type. The former's conductive system is exposed to the earth gate in the atmosphere, which is similar to the isolation switch, while the latter's conductive system is closed to the SF charge.
The normal working ground during the maintenance of the line. When the circuit breaker is in need of maintenance, the circuit breaker is in the position of separation, both sides of the isolation switch are open, in the state of separation. Earthing switch closing for normal working grounding. To ensure the safety of equipment and maintenance personnel.
(2) meet the electrostatic and electromagnetic induction current. In an overhead transmission line with two or more towers or adjacent parallel configurations, the induction voltage and the induction current will be generated in the circuit of the power outage due to electromagnetic and electrostatic induction between it and the adjacent electrically charged line when one or more lines are out of power. Therefore, it is used for grounding switches on such lines.
| Item | Technical data | ||||||||||||
| Rated voltage (KV) | 3.6 | 7.2 | 12 | 24 | 40.5 | ||||||||
| Rated frequency(Hz) | 50 | ||||||||||||
| Insulator(capacity) | insulating | Frequency withstand voltage 5 min (KV) | 25 | 32 | 42 | 68 | 100 | ||||||
| Frequency withstand voltage 1 min (V) | 2000 | ||||||||||||
| Lighting impulse withstand voltage (KV) | 40 | 60 | 75 | 125 | 185 | ||||||||
| Local discharge (pc) | ≤10 | ||||||||||||
| Dispute bend (N) | ≥1000 | ||||||||||||
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