磁保持继电器适用范围：磁保持继电器这款Y25继电器仅用脉冲激励，可单、双线圈工作，高触点容量，高抗震性能，可供单线圈和双线圈电器。

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一、基本特性Basic characteristics

1、 磁保持继电器线圈参数Coil specification

(1)    额定电压Nominal voltage                          DC 12V

(2)    线圈阻抗Coil resistance                             72/72Ω±10% (at 23±5℃)

(3)    额定电流Rated current                              DC 166mA±10% (at 23±5℃)

(4)    断开电压Operate voltage                           DC 9.0V Max ((at 23±5℃)

(5)    闭合电压Release voltage                            DC 9.0V Min ((at 23±5℃)

(6)    最大电压Maximum voltage                        DC 18V(150% of nominal voltage)

2、 磁保持继电器触点参数Contact Specification

(1)    触点型式Contact configuration                   SPDT (1 Form C)—单刀双掷（一组转换）            

(2)    触点额定负载Contact rating                     2A250VAC (Resistive load)

(3)    接触电阻Contact resistance                        Initial（初始值） 50mΩ Max (At DC6V1A)

(4)    动作时间Operate time                               20ms Max

(5)    释放时间Release time                                20ms Max

(6)    脉冲宽度Pulse width                                 ≥30ms

       (7) 触点温升Contact temperature rise               50K Max (Contact:2A)

3、磁保持继电器 通用参数General Specification

(1) 绝缘阻抗Insulation resistance                     1000MΩ Min (at DC500V)

(2) 电气强度Dielectric strength

开路触点间between open contacts             1500VAC,50/60 HZ for 1Minute

       线圈与触点间between contacts and coil     4000VAC,50/60 HZ for 1 Minute

(3) 环境温度Ambient temperature                  -40℃～+70℃

(Not freezing and condensing at low temperature)

(4) 相对湿度Relative Humidity                       45% to 85% RH

(5) 电气寿命Electrical life                              5,000 Operations Min

(6) 机械寿命Mechanical life                            1000,000 operations Min