The Model 25 Reversing Relay is designed for applications requiring an output that equals a manually preset spring load minus a variable signal pressure.
该型号25逆转继电器是专为应用程序要求的输出，等于减去一个变量信号压力手动预设弹簧负载。
2
The output of the Fairchild Model 1500a relay is the sum of the spring bias, set with the Range Screw, plus a pneumatic input signal.
飞兆半导体的1500a型继电器输出是春天偏见总和，与范围螺丝集，加上气动输入信号。
3
The cooperation of static electromagnetic attractive force and spring force characteristics is important to ensure the electromagnetic relay can operate reliably.