The 531X128HMSADG is a VA-4 MOV Card. The 531X128HMSADG is a product of General Electric. The 531X128HMSADG has nine dark brown resistors with multiple colored bands. The 531X128HMSADG has fifteen vertical metal prongs around the circuit board. The 531X128HMSADG has three areas for fuses. Fuses are an important safety measure for this circuit board. If the circuit board has to much power flowing through it then the fuse will “blow” (the metal cord inside will break). Once this occurs the fuse will need to be replaced. The 531X128HMSADG has one large yellow polypropylene capacitor. The capacitor is so large that it is zip tied to the circuit board, for extra security. Capacitors also referred to as condensers in some literature, creates an electrical field which is used to store additional energy. Using capacitors to store the energy limit the amount of energy the circuit board loses during the storing process. The 531X128HMSADG has eight small black and silver diodes. Diodes are considered an electronic version of a check valve or a one way street. They only allow energy to flow in a single direction. The 531X128HMSADG has one small red LED (light emitting diodes) which illuminates as an energy current passes through it.
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*General Electric has provided the initial technical support. The staff at AX Control recommends referring to the original manufacturer's manual for safety procedures and instruction on how to install the part.
**The 531X128HMSADG is considered an obsolete part.