一、主要特点                  1.符合标准8针接口。                                          2.采用进口IC元件。                            3.发光二极管指示。                 4.自动检测相位的变化。                 二、主要技术指标                                                                           1.电源电压：AC110V、220V、380V，50 / 60 Hz ±10%                           2.环境温度：0℃~＋50℃                                                   3.作用时间：≤3S                       4.环境湿度：≤85%RH.                     5.绝缘电阻：＞100MΩ                                               6.绝缘强度：AC1500V  1MIN                                                      7.触点负载：AC 250V3A 电阻性负载.                 8.工件寿命：机械寿命（一百万次以上）、电气寿命（额定负载内十万次)