WAGO 283-901 16 MM, CAGE CLAMP, for DIN-Rail 35 X 15 and 35 X 7.5, Terminal Block, 00 MM, 16, Gray, Center Marking, 2-Conductor Through: Amazon.com: Industrial & Scientific
WAGO 2102-1201: 2-wire feed-through terminal block, CAGE CLAMP® 2.5 mm², grey at reichelt elektronik