// EXPLOSION PROTECTION
EEx ST 61
, change-over contact with double break
| Standards | IEC/EN 60947-5-1; EN 1088; EN 50014; EN 50018; |
|---|---|
| Enclosure | aluminium die-cast, enamelled |
| Actuator | stainless steel 1.4301 |
| Switch insert | EEx 14 |
| Protection class | IP 65 according to EN 60529 |
| Contact material | silver |
| Switching system | slow action, NC contact with positive break |
| Switching elements | double-break changeover contact Zb, galvanically separated contact bridges |
| Termination | pre-wired cable |
| Cable section | 4 x 0.75 mm2 |
| Cable length | 3 m |
Uimp
| 4 kV |
|
Ui
| 250 V |
|
Ithe
| 6 A |
|
Ie/Ue
| 6 A/250 VAC; 0.25 A/230 VDC |
|
| Utilisation category | AC-15, DC-13 |
| Max. fuse rating | 6 A gL/gG D-fuse |
| Positive break travel | 12 mm |
| Positive break force | - |
| Ambient temperature | –20 °C … +65 °C |
| Mechanical life | > 1 million operations |
| Ex-certification |  II 2G EEx d IIC T6, II 2D IP65 T80°C |
| Approvals | PTB 03 ATEX 1070 X, referring to the switch insert |
| Slow action | ||
|---|---|---|
| 1 NC/1 NO contact | EEx ST 61 1Ö/1S  |
