Compressor and heat cycle system for refrigerator

A compressor comprising:

• a sealed container;
• a compression part provided in an upper part of the inside of the sealed container and configured to compress a working medium;
• an oil reservoir part provided in a bottom part of the inside of the sealed container and configured to reserve a lubricating oil therein;
• an electric drive part provided between the compression part and the oil reservoir part inside the sealed container and configured to drive the compression part;
• and
• a power source terminal provided to pass through a wall surface of the sealed container in a region of the oil reservoir part, the power source terminal being connectable to an external power source outside the sealed container and electrically connected to the electric drive part via a lead wire in the sealed container,
• wherein the power source terminal comprises an exposed metallic-terminal portion inside the sealed container, and the exposed metallic-terminal portion is entirely immersed in the lubrication oil.