Includes one 5 amp DPDT control relay with 0-60 second adjustable time delay.
包括与0 - 60秒可调一次五安培双刀双掷控制继电器延误。
Time Delay for Retransfer to Normal Source: Adjustable form 0 to 30 minutes.
重新切换至正常源的延时：可在0 - 30分钟的范围内进行调节。
Can realize the constant pressure, the two kinds of forming process, can be equipped with pressure maintaining time delay function, adjustable delay time.
可实现定压、定程两种成型工艺，可选配保压延时功能，延时时间可调。
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