Mitsubishi UVTSA550-05SVRFSU30 Description Description Mitsubishi Under voltage trip. AC 250/450/550V, 0,5/1,0/3,0 s, Synch, Right 4P, Terminal. Related products MITSUBISHI FR-A540-0.75K-EC Mitsubishi FX2N-32ET-ESS/UL Mitsubishi FX2N-16EYT-ESS/U MITSUBISHI MR-J2-40A MITSUBISHI FX0-30MR-ES Mitsubishi FX2N-32ER-ES/UL