Wago pcb spring terminal blocks 16a grey wago 236 401 the wago 1 way pcb spring terminal block 5 508mm 16a grey is a modular pcb terminal with 1 pole2 solder pins and locking side pin spacing of 5 508mm02in connectable single terminals for wago series 256 pcbs 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 blocks and with a conductor entry