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A

A

A

AC

C

C

C

A

A

A

AC

C

C

C

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+

+

+

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Uc

Ic

Load

Ph

Voltage protection :

An external voltage protection by VDR is advised in case of overvoltages on the mains.

The input of these relays is built with a

current regulator . In case of overvoltages ,

the input can be damaged.

So don't put a coil of an electromechanical

relay in parallel with the input without

voltage protection.

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