// CONTROL TECHNOLOGY
Position switches with safety function
ES 51
, change-over contact with double breakNote
When used as a safety switch, secure the enclosure against slipping with appropriate means, e.g. pinning.
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| Ordering details | IEC/EN 60947-5-1 |
|---|---|
| Enclosure | aluminium die cast, paint finish |
| Protection class | IP 65 to IEC/EN 60529 |
| Contact material | silver |
| Switching elements | change-over contact with double break Zb or 2 NC contacts, galvanically separated contact bridges |
| Switching system | IEC 60947-5-1 slow action, positive break NC contacts |
| Termination | plug-in connector M3 |
| Cable section | max. 1.5 mm2 (incl. conductor ferrules) |
| Cable entry | M 16 x 1.5 |
| Uimp | 4 kV |
| Ui | 400 V |
| Ithe | 4 A |
| Utilisation category | AC-15 |
| Ie/Ue | 4 A/400 VAC |
| Max. fuse rating | 4 A gL/gG D-fuse |
| Mechanical life | > 1 million operations |
| Switching frequency | 3600/h |
| Ambient temperature | –20 °C … +80 ºC |
| Repeat accuracy of switching points | ±0.1 mm |
