S2ER-E4 Series

D40 emergency stop switches with head, Ø22/25 mm (illuminated, non-flush mountable)

The S2ER-E4 series from Autonics is a modern emergency stop switch equipped with an enlarged D40 mm mushroom head and LED backlighting, which increases the visibility of the device in low light conditions or in emergency situations. They are designed for installation in Ø22/25 mm holes (non-flush mount version).

Thanks to detachable contact blocks, users can quickly adapt the device configuration to the needs of the control system. The use of silver contacts ensures reliable signal conduction and resistance to wear, electric arcing and interference, which translates into long service life and high operational efficiency.

Key features of the S2ER-E4 series:

  • LED backlighting – immediate recognition of the button status even from a distance.
  • Enlarged D40 mm head – increases operating comfort in emergency situations.
  • Standard Ø22/25 mm mounting (not flush-mounted) – universal application.
  • Detachable contact block – quick installation and service.
  • Silver contacts – low resistance, high conductivity, wear resistance.
  • Application in safety systems – industrial automation, production machines, operator panels.

Autonics S2ER-E4 emergency stop switches are available from ELTRON – the official distributor of the brand in Poland.

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