JPK-21型真空继电器TYPE JPK-21VACUUM RELAYSGTVAC, today's expert in high voltage relays ,announces the JPK-21.Abrand new 15kVDoublePoleDouble，DPDT-providestwo SPDT contact seets in one relayCompact 2.5"footprint  50ADC continuos carry currentRF rated to 32MHz  Hot load swichting capableThreaded HV connections for easy installation特点:JPK-21耐磨钨触点适用于频繁负载操作闭合和断开负载能够有效灭弧；真空介质,接触电阻低；两种可选安装方式，法兰式和螺栓式，螺栓式或焊接式高压接头，接线简单，可更换线圈，使产品功能实现多样化，符合或超过MIL-R-83725标准规格号Specification No.JPK-21JPK-23/059触点组合形式  Contact Configuration1C1C试验电压（直流或50Hz交流峰值）Test Voltage（DC or AC 50Hz Peak）kV1717额定工作电压(峰值)Rated Operating Voltage(Peak) kVDC or AC 50Hz1515AC2.5MHz1212AC16MHz99AC32MHz77额定承载电流(有效值)Rated Carrying Voltage(RMS) ADC or AC 50Hz3035AC2.5MHz1821AC16MHz1012AC32MHz68接触电阻Contact Resistance（Ω）0.0250.02分布电容Contact Capacitance（pf）断开的触点间Beteween Open Contacts0.50.5触点与外壳间Open Contacts to Ground11最大动作时间  Operate Time Max. (ms)1515最大释放时间  Release Time Max.(ms)88温度范围  Range of Temp.(℃)-55~+125-55~+125冲击级别  Shock, 11ms 1/2Sine(Peak g’s)5050振动级别  Vibration ,Peak 10g’s( Hz)10~50010~500机械寿命Expected Mechanical Life(×106)11标称重量  Weight (g)84(3)85(3) 线圈数据Coil Parameter标称电压  Rated Voltage DC(V)1224（26.5）115最大吸合电压  Pull-in Voltage Max. DC(V)81680释放电压  Dropout Voltage. Min.DC(V)0.5~51~105-50线圈电阻  Coil Resistance (Ω±10%)481802900l     以上数据在25℃，海平面条件下测得