The CTSN431/12/M is a 12-way 8mm pluggable Terminal Block moulded from natural PA6 (standard, CTSN400), cream PA66 (CTSN500) and grey PA66 glass fibre (CTSN600). UL94-V2 self extinguishing as standard and V0 types pass 960°C glow wire test. Screws are 6μ Zinc, colour passivated and tropicalised, and only come along one side of the connector.