DIN EN 60512-5-2:2003-01. UL, CUL, CSA, PCT, VDE, CCA. Phoenix Contact COMBICON PT 5.0mm PCB Terminal Blocks. A range of COMBICON Compact PCB Screw Terminal Blocks in the PT 1.5 and PT 2.5 Series with 5.0 mm pitch. Features and Benefits. High terminal block capacity, thanks to rectangular terminal block space 5.0 mm pitch Highly flexible conductor protection for easy, repeated connecting Rugged design for larger cross sections or high current carrying capacity Plus/minus screw PT 1.5 types accept solid and flexible wires of 0.2 mm² to 2.5 mm² (26-14 AWG) and are rated at 20 A/250 V max PT 2.5 types accept solid and flexible wires of 0.5 mm² to 4.0 mm² (20-10 AWG) and are rated at 32 A/250 V max PCB hole diameter 1.3 mm Flammability rating UL 94V-0