Mitsubishi TH-N400RHKP 180A Description Description Mitsubishi Overload Relay. Ith = 140,0 ~ 220,0A; for S(D)-N300, 400 Related products MITSUBISHI A1SX81 MITSUBISHI MDS-A-SPJ-22 MITSUBISHI FR-PU04 Mitsubishi FX2N-32ER-ES/UL MITSUBISHI FX0-30MR-ES Mitsubishi FX2N-16EYR-ES/UL