VX4FPD1522N4 | RFI filter board 400V 15 to 22 VX4FPD1522N4 OK Filter By Clear all Poles Poles 4P (2) 3P (2) ML trip unit ML trip unit ML.5.0H (2) ML.5.0P (1) Chassis year Chassis year 2013 (2) 2019 (4) 2020 (2)