Wago test plug adaptor 1 pole for 255 257 series pcb terminal blocks 249 series wago 249 115 wago 249 115 test plug adaptor 1 pole for 255 256 257 series pcb terminal blocks pin spacing 1016mm 04 in orange wago 249 115 test plug adaptor 1 pole for 255 257 terminal blocks orange 100pk