Mitsubishi TH-N220RHKP 180A Description Description Mitsubishi Overload Relay. Ith = 140,0 ~ 220,0A; for S(D)-N220 Related products MITSUBISHI A1ADP-SP MITSUBISHI FR-PU04 MITSUBISHI MR-J2-40A MITSUBISHI A985GOT-TBA-EU MITSUBISHI Q02HCPU Mitsubishi FX2N-16EX-ES/UL