Wago pcb spring terminal blocks 25254mm 6a wago 218 504 the wago 4 way pcb spring terminal block 254mm 6a is a 1 conductor terminal strip with 4 poles2 solder pins and locking side pin spacing of 254mm01in activated by directly pressing on the top of the pin or by operating the slide the cage clampreg connection technique allows stripped solid and ferruled conductors to be pushed in with its space saving design the terminal block is up to 30 smaller than standard terminal block