Вакуумный выключатель HVD7 40.5KV 2000A открытый HV AC VCB от Hubei JUCRO Electric
- цена
- US $7076-7674
- модель
- HVD7-40.5/2000
- Минимальный заказ
- 1 piece
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Описание продуктов
1. Introduction
HVD7 40.5KV 2000A outdoor HV AC VCB vacuum circuit breaker has many visual advantages, like reasonable design, fashionable appearance, high safety and reliability, easy maintenance, long electrical life. This is the ideal upgrade product for 35KV outdoor oil circuit breakers.
The HVD7-40.5 2000A vacuum circuit breaker is used for 50Hz three-phase AC power system. It is used to create and break the load current, overload current and short circuit.
2. Applicable environment
2.1 The ambient temperature should be -30 degrees ~ + 40 degrees (-40 degrees in the frosty area);
2.2 the height should not exceed 2000 m (more than 2000 m is a plateau);
2.3 wind pressure should not exceed 700 pa (equal to wind speed 34 m / s);
2.4 degree of air pollution: 3, degree of anti-fouling type: 4;
2.5 The installation site must be free from fire, explosion, chemical corrosion and severe vibration.
no |
thing |
unit of measurement |
parameter |
||||
one |
Rated voltage |
kv |
40.5 |
||||
2 | Nominal Insulation Level | 1 min. Power Frequency Voltage | Dry test | kv | 95 | ||
Wet test | kv | 80 | |||||
Lightning impulse Withstand voltage (peak value) | kv | 185 | |||||
3 | Rated current | A | 2000 | ||||
four | Rated Short Circuit Current | Ka | twenty | 25 | 31.5 | ||
5 | Rated Short Circuit Current (Peak) | Ka | fifty | 63 | 80 | ||
6 | Rated working sequence | O-0.3s-CO-180s-CO | |||||
7 | Rated short time withstand current | Ka | twenty | 25 | 31.5 | ||
8 | Rated peak withstand current | Ka | fifty | 63 | 80 | ||
9 | Rated Short Circuit Duration | S | four | ||||
10 | Rated control voltage | V | AC220, 110; DC220, 110 | ||||
eleven | Rated Short Circuit | Time | twenty | ||||
12 |
Full break time |
Ms |
≤80 |
||||
13 | Mechanical life | Time | 10,000 | ||||
