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Tiny Cooling Fan a matter of time relay

Date: 2014-12-8   Click: 1330 Times

1. Low "Tiny Cooling Fan" on relays, circuit breakers, contactors action response time, the advanced level <20ms;
2, if the action response time> 20ms, or too slow, the situation is a logical sequence disorder will appear in multiple relays in order to switch;
3, in particular, "Tiny Cooling Fan" public with a moving contact normally closed, normally open, respectively disconnect a circuit when the circuit is switched to another, there are often not enough time to complete one circuit to another circuit has been closed off ;
4. If these two circuits simultaneously closed circuit would be a serious short circuit, it will Rexia big trouble!
5, when confronted with this situation, we must pay attention to all relays, contactors, circuit breakers between sequential chain;
6, the order of "Tiny Cooling Fan" all relays, contactors, circuit breakers between the chain, can effectively discharge relay time due to accidents caused by slow response

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