The housing accepts the female socket contacts (ordered separately) and terminates via crimp, making it a field-serviceable, free-hanging interconnect for low-profile harnesses.
Why the Contacts-Not-Included Note Matters
This is a deliberate design choice: the housing accepts JST's ZH-series female socket terminals, which are ordered separately to match the exact wire gauge (typically 26-30 AWG for this pitch class). Ordering the housing without contacts avoids paying for terminals you may not use, but it also means the BOM must include the mating crimp contact part number. The natural PA66 (nylon 6/6) housing carries an operating range of -25°C to 85°C, suited for indoor consumer electronics, appliance harnesses, and light industrial control wiring where the connector sees minimal thermal cycling.
3 Positions vs 2 and 4 — Which Circuit Count Fits?
The ZHR-3 sits between the 2-position ZHR-2 and the 4-position ZHR-4 in the same ZH series. For a 3-circuit BOM line, the ZHR-3 is the exact match; the ZHR-2 leaves one circuit unpopulated and the ZHR-4 adds a spare position that may not align with the mating header's keying. No other spec changes between them — the housing length scales with position count, but the pitch, material, and terminal interface are common across the series.
No last-time-buy date is on record. The ZHR-4 (4-position) is the closest functional sibling within the same series if a position count change is acceptable.