This product is a round connector with screw lock, conforming to DIN 45 321 standard, suitable for GPE application category (-40°C/+ 85°C/≤75% rF), made of PA 6.6 material, the contactor is CuZn, silver-plated and flash-gold-plated, 12-pole version is nickel-plated and 0.8µm gold-plated, the outer casing is zinc die-cast, copper-plated and nickel-plated, the ring nut is CuZn, nickel-plated. The insertion force/contact is <5 N, the pull force/contact is >1.2 N (measured with a polished steel pin, nominal size Ø 1.5 mm), the 12-pole version of the insertion force/contact is <5 N, the pull force/contact is >0.9 N (measured with a polished steel pin, nominal size Ø 1.0 mm), the connection method is welded connection.
The handbook describes Lumberg's locking circular connectors (Rundsteckverbinder) designed for rear‑side mounting with a front‑mounting screw nut. It outlines the application class, material choices, mechanical dimensions and electrical ratings.
Technical sections list the contact materials (CuZn, silver‑plated and flash‑golded), body construction (zinc die‑cast, copper‑plated, nickeled), current and voltage ratings, wire‑size limits and contact capacitance, as well as ordering designations and minimum packaging quantities. This manual is written in German.
| Contact material | CuZn, 3 µm silver‑plated, flash gold‑plated |
|---|---|
| Gold plating thickness | 0.8 µm |
| Body material | Zinc die‑cast, copper‑plated, nickeled |
| Ring nut material | CuZn, nickeled |
| Nominal voltage rating | 250 V~ 2 kV |
Contacts are made of CuZn, plated with 3 µm of silver and flash‑golded.
The connectors are rated for 250 V AC up to 2 kV according to the specifications.