Wago 231-651/018-000 | 1-conductor male connector, Snap-in mounting feet, 2.5 mm, Pin
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WAGO 2091-1160: picoMAX eCOM female multi-point connector, 3.5 mm, 10-pin at reichelt elektronik
Wago 221 Series Lever-Nuts Wire Connector, Compact Splicing Connector Kits for Electrical Wires, Home Improvement Clips (Box of 10) (221-412): Amazon.com: Tools & Home Improvement