Position switches with safety function

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Series ES 51

Features/Options - Metal enclosure - Slow action A , change-over contact with double break- 1 cable entry M16 x 1.5NoteWhen used as a safety switch, secure the enclosure against slipping with appropriate means, e.g. pinning. Standards IEC/EN 60947-5-1 Enclosure aluminium die cast, paint finish

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ES 51

Protection class

Technical data

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 A IEC 60947-5-1 slow action, positive break NC contacts Termination plug-in connector M3 Cable section max. 1.5 mm
2 (incl. conductor ferrules) Cable entry M 16 x 1.5 Uimp 4 kV Ui 400 V Ithe 4 A Utilisation category AC-15
50 Ie/Ue 4 A / 400 VAC Max. industrial fuse rating 4 A gL/gG D-fuse Mechanical life > 1 million operations Switching frequency 3600/h Ambient temperature – 20 °C … + 80 °C Repeat accuracy of switching points ±0.1 mm Ordering detailsES 51 WK 1Ö/1S-ST Connector M12 x 1, 5-poleContact type 1NC/1NOActuator K (R, TK, D, etc. …)Watertight collarSeriesS Slow action