The Hirose RP13A-12RC-13PB is a 13-position receptacle with male pins from the RP13A series, shell size 12. It uses a push-pull latching mechanism for quick, tool-less mating and unmating. Silver-plated brass contacts handle 2 A per circuit at 100 VAC or 140 VDC, putting this in the signal-level interconnect class rather than a power bus. The black PBT shell and insert are rated for -10°C to 60°C operation, so it belongs inside equipment cabinets or controlled indoor environments, not under a hood or on a rooftop.
The RP13A-12RC-13PB carries 13 positions. The same shell size 12 is also available in a 20-position variant, the RP13A-12RC-20PB, which shares the same 2 A current rating, silver contacts, and push-pull latch. If your harness calls for 13 signal lines, this is the one; if you need 20, step up to the 20-position sibling.