SMS series quick mating flame retardant cable mount wire to wire receptacle housings with a compact design and a 'push to mate' and 'press & release to unmate' interconnection system that enables quick assembly and installation without the need for any additional hardware. These SMS series quick mating fire retardant cable mount receptacle connectors have polyamide PA 6 UL94-V0 housings which are fire and smoke resistant for railway indoor applications and are compliant to railway standards I3/F2 in accordance with NFF16101 & NFF16102 (fire and smoke standards). Additional features of these SMS series quick mating cable mount receptacle connectors include positive polarization keys to prevent mismating and versions are also available with discrimination cavities in beween the contact cavities and integrated strain relief hoods that can accept a wide range of cables.
SMS-xxRDH3 are cable receptacles with a strain relief hood with discrimination cavities
SMS-xxRD3 are cable receptacles without a strain relief hood with discrimination cavities
These SMS series quick mating cable connectors use size 16 TRIM TRIO 1.6mm diameter snap-lock pin and socket contacts which need to be purchased separately (see stock number 687-6364 typically)
For mating connectors see SMS series flame retardant quick mating cable mount plug housings

I3F2/I2F3 according to the NFF16101 & NFF16102 (fire and fume standard for the French rail market)
HL3/R23 following EN45545 (2009)

Souriau SMS Series Quick Mating Wire to Board Connectors