PL611S-28-678TC-R A1 PL611S-28-678TC-RA1 PL611S-28-685TC-R A3 PL611S-28-685TC-RA3 PL611S-28-720TC-R A1 PL611S-28-720TC-RA1 PL611S-28GC-A1 PL611S-542TC PL611S-D1-374TC-R PL-612-A