This part is a kind of semiconductor called SA9605APA.

Function of this product has THREE PHASE POWER/ENERGY METERING IC WITH INSTANTANEOUS PULSE OUTPUT.

Manufacturers : Sames

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sames SA9605A THREE PHASE POWER/ENERGY METERING IC WITH INSTANTANEOUS PULSE OUTPUT n FEATURES n Functionally similar to the SA9105E and SA9105F, with reduced number of external components n Output frequency represents the absolute sum of energy on all three phases n Performs one, two or three phase power and energy measurement n Meets the IEC 521/1036 Specification requirements for Class 1 AC Watt hour meters n n n n n n Operates over a wide temperature range Current transformers for sensing Excellent long term stability Easily adaptable to different signal levels Precision voltage reference on-chip Pin selectable pulse rates Supports tamper detection PIN CONNECTIONS DESCRIPTION The SAMES SA9605A is an enhancement of the SA9105E and SA9105F, as no external capacitors are needed for t [ ... ]

SA9605APA PDF Datasheet Download