Welcome to wziep.com!
Welcome to wziep.com!
category: Power Distribution Equipment
reference price:¥$3,800.00 - $4,000.00
Main technical parameters | ||||||
Rated frequency | Hz | 50 | ||||
Rated voltage | kV | 7.2 12 24 40.5 | ||||
Rated current of main bus | A | 630 1250 1600 | ||||
Rated short-time withstand current / duration | kA/s | 20/4 25/3 31.5/4 | ||||
Rated peak withstand current | kA | 50 63 80 | ||||
1min power frequency withstand voltage (to-ground/between open contacts) | kV | 32/36 42/48 65/79 95/115 | ||||
Lightning impulse withstand voltage (to-ground/between open contacts) | kV | 60/70 75/85 125/145 185/215 | ||||
Rated short-circuit breaking current | kA | 20 25 31.5 | ||||
Ground loop short-time withstand current / duration | kA/s | 20/2 20/4 | ||||
Rated short-circuit making current of main loop | kA | 50 63 80 | ||||
Rated active load breaking current | A | 630 | ||||
Rated closed loop breaking current | A | 630 | ||||
Rated transfer current | A | 1700 | ||||
Mechanical life peroid | times | 3000 5000 10000 | ||||
Rated frequency | Hz | 50 | ||||
Rated voltage | kV | 0.4/0.23 | ||||
Rated insulation voltage | V | 690 | ||||
Rated current of main loop | A | 100~3200 | ||||
Rated short-time withstand current | kA/s | 30/1 50/1 100/1 | ||||
Rated peak withstand current | kA | 63 105 176 | ||||
5s power frequency withstand voltage | kV | 2.5 3.75 | ||||
Rated frequency | Hz | 50 | ||||
Rated voltage | kV | 7.2 12 24 40.5/0.4 | ||||
Rated capacity | kVA | 30~1600 | ||||
1min power frequency withstand voltage | kV | 25/20 35/28 55/50 85/75 | ||||
Lightning impulse withstand voltage | kV | 60 75 125 170 | ||||
Impedance voltage | % | 4~6 | ||||
Tapping range | ... | ±×2.5% ±×5% | ||||
Connection group | ... | Y,yn0 D,yn11 | ||||
Type | ... | Oil-immersed type, dry type | ||||
IP code of HV and LV chambers | ... | IP33D | ||||
IP code of transformer chamber | ... | IP23D | ||||
Sound level (oil-immersed type/dry type) | dB | ≤50/55 |