The JR series connectors are designed to meet the Japanese standard JIS C 5432 for round type connectors. They feature aluminum alloy shells with nickel plating, synthetic insulators, and copper alloy contacts that are silver‑plated. The document provides material details, finish options, and the performance specifications required for reliable electrical and mechanical connections.
Ordering information includes series number, shell size, shell type, model change marks, number of contacts, and contact type. Detailed tables list part numbers for plugs, receptacles, jacks, and crimp‑type pins, along with recommended torque values for assembly. A contact arrangement chart and tool list are also provided for proper installation and maintenance.
| Shell material | Aluminum alloy |
|---|---|
| Contact material | Copper alloy, silver plated |
| Withstanding voltage | AC1000 V (1 minute) |
| Contact resistance | 5 mΩ max |
| Torque for screw fastening | 3.5 ~ 4.5 kg·cm |
Fasten the screws with a torque wrench set to 3.5 ~ 4.5 kg·cm.
The JR series offers shell sizes of 13, 16, 21, and 25 mm.
The shell is made of aluminum alloy.
The contact resistance is limited to 5 mΩ maximum.