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General-purpose Relay: Difference between MY4Z and MY4

FAQ No. FAQ02825

Primary Contents

Question

What is the difference between MY4Z General-purpose Relays and MY4?

Answer

They have different contact mechanisms.

MY4 has single contacts, whereas MY4Z has bifurcated contacts, as indicated by the "Z" at the end of the model number. Bifurcated contacts are suitable for operating microloads. MY4Z has a shorter electrical life.

Contact Mechanism