The 4NK0HL is a thermal overload relay from FUJI ELECTRIC's orange line. With a 1NO + 1NC alarm contact and manual trip functionality, this relay provides effective protection for motor systems. The open phase protection feature ensures safe operation, while the adjustable range of 2.2-3.4 amps offers flexibility. Designed for compatibility with contactor frames 0Q / 0R / 0H, this relay is a reliable choice for motor control applications.