Mitsubishi TH-N220RHKP 180A Description Description Mitsubishi Overload Relay. Ith = 140,0 ~ 220,0A; for S(D)-N220 Related products MITSUBISHI A2NCPU Mitsubishi FX2N-48ER-ES/UL MITSUBISHI AJ71E71-S3 MITSUBISHI FX0-30MR-ES MITSUBISHI A985GOT-TBA-EU Mitsubishi FX2N-16EYR-ES/UL