22. Basics of Relay

Question.7

Two switching devices are selected from Digi-Key:

Relay Digi-Key Part Number: Z1014-ND
SSR Digi-Key Part Number: CPC1966B-ND

Which statement is correct when comparing their control-side power requirements usingDigi-Key specs?

Relay and SSR require the same control power
SSR input power is usually lower than relay coil power
Relay coil power is lower than SSR input power
Neither requires control power

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