WAGO 235-404/331-000. 线至板接线端子, 4 路, 320 V, 17.5 A, 20 AWG, 14 AWG, 1.5 mm²
The . is a 4-pole 1-conductor grey Terminal Strip with 2 in-line solder pins per pole. This terminal strip has tin-plated electrolytic copper contacts and a polyamide 6.6 insulator. It accepts 28 to 14AWG wire size.