The 4RB2010-3FC50 from Siemens is a Power Capacitor with Capacitance 4 uF, Voltage Rating 525 V, Peak Current 10000 A, Mass 0.3 Kg, Operating Temperature -40 to 55 Degree C. Tags: Screw Mount, Film Capacitor. More details for 4RB2010-3FC50 can be seen below.