This part is a kind of semiconductor called LA10-PB.

Function of this product has Current Transducer LA 03~20-PB.

Manufacturers : LEM

Image and pinout :

Some of the text within the PDF file :

Current Transducer LA 03 .. 20-PB For the electronic measurement of currents: DC, AC, pulsed, mixed, with a galvanic isolation between the primary circuit (high power) and the secondary circuit (electronic circuit). IPN = 3 .. 20 A Preliminary Electrical data Primary nominal r.m.s. current IPN (A) 3 5 10 15 20 Primary current measuring range IP (A) ± 4.5 ± 7.5 ± 15 ± 22.5 ± 30 Primary Conductor Diameter (mm) 0.5 0.5 0.65 0.8 1.0 Type Features • Closed loop (compensation) current transducer using the Hall effect LA 03-PB LA 05-PB LA 10-PB LA 15-PB LA 20-PB • Voltage output • Printed circuit board mounting VC IC Vd R IS VOUT RL Supply voltage (± 5 %) ± 15 V Current consumption app. 20mA+ IPN/1200 mA R.m.s. voltage for AC isolation test, 50/60Hz,1mn 2.5 kV Isolation resis [ ... ]

LA10-PB PDF Datasheet Download