The 2-1971895-3: This is a 3-position, single-row header on 5.00mm pitch — a standard RAST 5 footprint that mates with the matching crimp receptacle housing. The 4-wall shroud surrounds the tab contacts, so the header guides the female connector straight on; you should hear the latch holder click when it seats fully. Tin-plated mating surface on the rectangular tab contacts — rated for the typical appliance duty cycle where the connector sees maybe a dozen matings over its life.
Glow wire and flammability for appliance builds
The polyamide (nylon) body handles -40°C to 120°C, which covers the thermal range inside a dishwasher control panel or a washing machine lid lock circuit.