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Three phase four wire ammeter

Three phase four wire ammeter
产品分类:
Smart Meter
型号规格:
生产厂商:
威斯尼斯人0907官方网站集团有限公司
立即分享:
产品概述:
1、Specifications
Accuracy class |
Voltage |
Electric current |
Level 1 |
3*220/380V |
3*10(40)A |
技术参数:
2、Main technical parameters
Basic error of load current |
Power factor
COSΦ
|
Internal error(%) |
|
Level 1.0 |
Level 2.0 |
||
0.05Ib≤I<0.1Ib |
1.0 |
±1.5 |
±2.5 |
0.1Ib≤I≤Imax |
1.0 |
±1.0 |
±2.0 |
0.1Ib≤I≤0.2Ib |
0.5L(lag) |
±1.5 |
±2.5 |
0.8C(speed-up) |
±1.5 |
— |
|
0.2Ib≤I≤Imax |
0.5L(lag) |
±1.0 |
±2.0 |
0.8C(speed-up) |
±1.0 |
— |
Note: ① ib is the calibration current, and IMAX is the maximum current.
② Starting current: under the condition of rated voltage, rated frequency and power factor of 1, the load current of the meter is shown in the following table, and the meter can work normally.
Accuracy level |
Level 1 |
Level 2 |
Load current |
0.4%Ib |
0.5%Ib |
Self consumption |
2W 10VA |
|
Relay contact life |
≥100,000 times |
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