适用范围
MXa过欠压脱扣器主要用于交流50Hz,额定工作电压为230V的线路中与CQB5a系列断路器装备作过欠压保护之用。
符合标准:GB14048.5、IEC60947-5-1。
技术参数项目 |
参数值 |
额定工作电压Ue |
交流230V 50Hz |
额定绝缘电压Ui |
415V |
动作特性 |
175V~255V,应能保持断路器长期工作 |
265V±10V及以上时,动作 |
165V±10V及以下时,动作 |
电气寿命 |
电气寿命不低于4000次循环操作 |
1. Application
MXa overvoltage and undervoltage tripping device is mainly used for AC 50Hz, rated voltage 230V line and CQB5a series circuit breaker equipment made under voltage protection.
Standard Number:GB14048.5、IEC60947-5-1.
2. Technical data
Model
|
Versions
|
Rated thermal current (Ue)
|
AC230V 50Hz
|
Rated insulation voltage (Ui)
|
415V
|
Operation property
|
175V~255V,
|
265V±10V
|
165V±10V
|
Life
|
4000
|
3. Working and the installing condition.
3.1 Ambient temperature:-25℃~+50℃
3.2 Relative humidity:≤90%/20℃,≤50%/40℃
3.3 Altitude is no more than 2000m
4. Overall and Mounting dimensions (mm)