简介:
问题:需要通过3UA过载继电器辅助触点来控制PLC输入,辅助触点可靠工作的最小负载是多少? 解答: 3UA过载继电器辅助触点在17V下可以带的最小负载是5mA。 条目号:21452614 日期:2006-03-28 QUESTION: The auxiliary contact of a 3UA overload relay must control a PLC input. What is the minimum load for reliable operation of the auxiliary contacts? ANSWER: The auxiliary contacts of 3UA overcurrent relays can handle a minimum load of 5 mA at 17 V. Entry ID:21452614 Date:2005-04-06
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