| 3612301 | C0668 | BELL - HERMETIC ARMATURENWERK GMBH& CO. KG |
| 712651 | D9596 | VOSS AUTOMOTIVE GMBH |
| E12S1103068 | C0232 | SCHAEFER, JOHANNES GMBH & CO. KG |
| GS 12 S | D0826 | EATON GERMANY GMBH |
| GS12S | D0826 | EATON GERMANY GMBH |
| DIN3902-S12-ST | D8286 | DIN DEUTSCHES INSTITUT FUER NORMUNGEV |
| XG12S | C1673 | ARCO ARMATUREN OBRIGHEIM GMBH & CO |
| XG12S | D8134 | PARKER HANNIFIN GMBH-GESCHAEFTSBEREICH ERMETO- |
| S12DIN3902 | D8286 | DIN DEUTSCHES INSTITUT FUER NORMUNGEV |
| ISO8434-1-S-S12-ST | I9008 | INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO) |