A reciprocating compressor in which a piston is linearly reciprocated inside a cylinder, for sucking a refrigerant into a compression space, and compressing and discharging the refrigerant. More particularly, a reciprocating compressor which can reduce the number of inverter switches required to apply power to a motor (coil section). The reciprocating compressor having a stationary member and a movable member connected by a plate spring, and having an outer stator consisting of blocks encompassing an inner stator, wherein a length of a lower pole of each block is varied.