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| 用途 Application |
| Ⅱ 智能化综合保护器，适用于煤矿井下交流50Hz，电压为660V或1140V的电路中，保护电路和电动机用，保护器采用单片机控制，充分发挥软件（程序）硬件（电路）的优势，并进行合理结合，使保护器功能全面，性能稳定可靠，外围线路简单，各项性能参数处于国内领先地位。 |
| Ⅱ ZZB etc.series of intellgent integrated protectior is applicable in the circuit of AC 50Hz voltage 660V or 1140V in the coal mine,it is used for protect and electromotor .The protector adopts singlechip control,exerts the advantage of software (program),hardware (circuit )completely Due to reasonable combination,the product has full functions,reliable performance and simple periphery circuit .Each item of performance parameter is in leading position in China. | |
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