Siemens SICAM P37 Manual page 19

Relay Output Interface
This product is provided with two relay outputs interfaces for alarm indication or protection control output in
many conditions. Electric parameter of internal relay: AC 250 V/DC 30 V, 3 A.
Figure 3-3
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SICAM P37, 3-phase Harmonic Power Meter, User Manual
E50417-H8940-C563-4, Release Date 06.2018
Circuit Diagram of Relay Output Interface
Functions
3.7 Digital Input and Output Interface
19