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General-purpose Relay: MY4 Maximum Distance

FAQ No. FAQ02770

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What is the maximum distance for operating MY4 DC24V General-purpose Relays?


The distance depends on the type and installation conditions of the cable. Both ends of the Relays coil must measure at least 90% of the rated coil voltage to operate without problems. It is essential to check this beforehand.

Reference Information: Guide to Limits of Cable Lengths

TypeRelay coil
DC Relays
PreconditionsMust-operate voltage of up to 90% of rated voltage allowed
Calculation of
cable length
Example: For MY4 Relays24 VDC MY4 with CVV Cable

Answer: The cable needs to be within approx. 4.2 km.