Monday, July 2, 2012
Instrumentation Common Questions -2
EPC School 2012 Series
I for Instrumentation
Q: What is potential free contact? What is the significance and application of this contact?
Contacts having not potential. E.g. Relay contacts/ field switches contacts. They are used in logic circuits. A potential free contact is usually wired into an electrical circuit. However it must be ensured that the contact ratings are suitable for the service in which it is used.
Read more »I for Instrumentation
Q: What is potential free contact? What is the significance and application of this contact?
Contacts having not potential. E.g. Relay contacts/ field switches contacts. They are used in logic circuits. A potential free contact is usually wired into an electrical circuit. However it must be ensured that the contact ratings are suitable for the service in which it is used.
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