Mitsubishi UVTNA550-05SWRSU05 Description Description Mitsubishi Undervoltage trip.AC220-250/380-450/460-550V, Time delay, 3pole, NF/DSN32AF,63AF Related products MITSUBISHI A2NCPU Mitsubishi FX2N-48ET-ESS/UL Mitsubishi FX2N-32ET-ESS/UL Mitsubishi FX2N-48ER-DS MITSUBISHI MDS-A-SPJ-22 Mitsubishi FX2N-48ER-ES/UL