Mitsubishi TH-N400RHKP 150A Description Description Mitsubishi Overload Relay. Ith = 120,0 ~ 180,0A; for S(D)-N300, 400 Related products MITSUBISHI FR-A540-22K Mitsubishi FX2N-32ER-ES/UL MITSUBISHI MR-J2-40A Mitsubishi FX2N-48ER-ES/UL MITSUBISHI MDS-A-SPJ-22 MITSUBISHI FR-A540-0.75K-EC