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 FX2N-48ET-ESS/UL MITSUBISHI FR-A540-22K MITSUBISHI A1SX81 MITSUBISHI FR-A540-0.75K-EC MITSUBISHI A1ADP-SP Mitsubishi FX2N-16EYT-ESS/U