Mitsubishi thyristor stack model FTS502PP-2H. Rated at 440 Volts, 1015 Amps. Cooling: 3 m/s. New/Surplus. To view a full PDF specification sheet (Japanese - we could not find an English version),
click here. Also see
an English translation of the first page. As pictured, contains FT502AL-32 thyristors.
