Wurth WR-TBL 3631 Series 3.50mm Pitch Right Angle Terminal Block Plug Connectors with Retention Latch WR-TBL 3631 series 3.5mm pitch right angle cable mount terminal block plug connectors with female sockets, a retention latch on the wire side and a 'slot' type M2 screw terminal that accepts a wire size of AWG 28-16. These WR-TBL 3631 series 3.50mm pluggable terminal block cable mount connectors are made from green UL94-V0 PA66 and have a tin plated phosphor bronze wire guard.