Ex 61 Z / ExM 61 Z
Features/Options
- Ex zone 1 and 21
- Metal enclosure
- Wall mounting
- Slow or snap action: 2 contacts
- Various spring force variants (actuating forces)
- Pull-wire function
- Special version only for dust Ex zone 22 available
- N.B.: Please state required approvals for Russia, China, Brazil and North America with your order!
Product image

Technical data
| Standards | EN 60947-5-1; EN 1088; EN 60079-0, EN 60079-1, EN 60079-31; EN ISO 13849-1 |
|---|---|
| Enclosure | aluminium die-cast, enamel finish |
| Cover | steel, enamel finish |
| Switch insert | Ex 14, ExM 14 |
| Degree of protection | IP 65 to IEC/EN 60529 |
| Contact material | silver |
| Switching system | slow or snap action, positive break NC contact ![]() |
| Switching elements | ExM 61: change-over contact Form C, Ex 61: change-over with double break Zb, galvanically separated contact bridges |
| Connection | cable H05VV-F |
| Cable section | 4 x 0,75 mm2 |
| Cable length | 3 m |
| B10d (10 % load) | Ex 61 Z: 2 million |
| TM | max. 20 years |
| Uimp | 4 kV |
| Ui | 250 V |
| Ithe | T6: 6 A; T5: 3 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 |
| Ambient temperature | T6: –20 °C … +65 ºC; T5: –20 °C … +95 ºC |
| Mechanical life | > 1 million operations |
| Switching frequency | 1800/h |
| Repeat accuracy | ± 0,1 mm |
| Contact gap | max. 2 x 4.5 mm |
| Ex certification | II 2G Ex d IIC T6/T5 Gb, II 2D Ex tb IIIC T80°C/T95°C Db IECEx Ex d IIC T6/T5 Gb, Ex tb IIIC T80°C/T95°C Db |
| Approvals | Ex 61: PTB 03 ATEX 1070 X; IECEx PTB 06.0098X (referring to the switch insert) ExM 61: PTB 03 ATEX 1069 X (referring to the switch insert) ![]() |






II 2G Ex d IIC T6/T5 Gb,
