// EXPLOSION PROTECTION
EEx ST 14
, double-break changeover contact
| Standards: | IEC/EN 60947-5-1; EN 1088; |
|---|---|
| Enclosure | glass-fibre reinforced, shock-resistant thermoplastic, auto-extinguishing UL 94-V0 |
| Actuator | stainless steel 1.4301 |
| Switch insert | - |
| Protection class | IP 65 to EN 60529 |
| Contact material | silver |
| Switching system | slow action, NC contact with positive break |
| Switching elements | changeover contact Zb or 2 NC contacts, galvanically separated contact bridges |
| Termination | pre-wired cable H05VV-F 4 x 0.75 mm2 |
| Cable section | 4 x 0,75 mm2 |
| Cable length | 1, 2, 5 und 10 m |
Uimp
| 4 kV |
|
Ui
| 250 V |
|
Ithe
| 6 A |
|
Ie/Ue
| 6 A/250 VAC; 4 A/24 VDC; |
|
| Utilisation category | AC-15, DC-13 |
| Max. fuse rating | 6 A gL/gG D-fuse |
| Positive break travel | 8 mm |
| Positive break force | - |
| Ambient temperature | –20 °C … +65 °C |
| Mechanical life | > 1 million operations |
| Ex-marking |  II 2G EEx d IIC T6, |
| Approvals | PTB 03 ATEX 1070 X |
| Slow action | ||
|---|---|---|
| 1 NC/1 NO contact | EEx ST 14 1Ö/1S  |
|
| 1 NC/1 NO contact with overlapping | EEx ST 14 UE  |
|
| 2 NC contacts | EEx ST 14 2Ö  |
