The SZ-MC/SC-N4 is a replacement contact kit designed for the 2T frame size Odyssey Series contactors and motor starters manufactured by Fuji Electric. This contact kit includes 3 movable contacts and 6 stationary contacts, providing complete main contact replacement for maintenance and repair applications. The kit is compatible with both contactor and starter configurations across various voltage ratings including 1-phase 100–120V, 3-phase 200–208V, 220–240V, 440–480V, and 550–600V systems. It is commonly used in industrial motor control applications where reliable contact replacement is essential for maintaining proper electrical switching performance and extending equipment service life.