Electromagnetic relay operating value shall be the impact operating value.
电磁式继电器其动作值应测量继电器的冲击动作值。
The electrical characteristics of railway safety relay are mainly involved with operating value, releasing value, reversing value and so on.
铁路安全继电器需要测试的主要电气参数包括：工作值、释放值、反向工作值等。
Test results show that time duration and current operating value precision are less than 2%, and the functions of the protection device are reliable.
实验结果表明，动作时间及电流动作值精度在2%以内，保护装置运行稳定可靠。
Test results show that time duration and current operating value precision are less than 2%, and the functions of the protection device are reliable.
实验结果表明，动作时间及电流动作值精度在2%以内，保护装置运行稳定可靠。
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