When was the no-voltageprotection test carried out? It there any test report.
失压保护试验是什么时候进行的，有试验报告吗？
2
Note: About the code of other voltage and frequency, winding protection and connection box position, please refer to Orde No. in page 20.
注：关于其他电压与频率、绕组保护以及接线盒位置的编码，请见第20页订货号。
3
The Device has integrated over-current protection, over-temperature protection and UVLO (Under Voltage Lockout) to provide for a fail safe solution with no external components.