WAGO 250 Series PCB Pushbutton Terminal Blocks 2.5mm – WAGO 250-402, The WAGO 2-Way PCB Spring Terminal Strip 2.5mm Grey – 1-conductor PCB 1 solder pin/pole, staggered 2-pole pin spacing 2.5mm/0.098in with push-button and test port for 1.3mm Ø test pin. WAGO 250-402 2 Pole 2.5mm 4A 45° Push Button PCB Terminal Block Grey