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本标准规定了用于飞机28 V直流或115 V/200 V、400 Hz三相交流系统(具有ISO 1540规定特性)的触头额定电流值不小于5 A(交流、直流)的电磁继电器和接触器(以下简称“产品”)的性能要求。辅助触头可有较低额定值。本标准规定的产品分为三个温度等级和三类密封。
本标准适用于由28 V直流或115 V、400 Hz交流电压控制的电磁动作、磁保持或者电磁动作、机械或磁自锁定的单极、多极产品。
This standard specifies the technical procedure, requirements and quality inspection methods for loading biological samples of space science experiments.
This standard applies to the ground laboratory loading of biological samples used in scientific experiments on the spacecrafts. The loading of biological samples used in scientific experiments on other flight vehicles may refer to this standard.