The 4RB8125-3FC20 from Siemens is a Power Capacitor with Capacitance 48.1 uF, Voltage Rating 525 V, Peak Current 10000 A, Mass 1.3 Kg, Operating Temperature -40 to 60 Degree C. Tags: Screw Mount, Film Capacitor. More details for 4RB8125-3FC20 can be seen below.