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HE5B Enabling Switches

Round-shaped operator for φ16 mm mounting hole. 3-position enabling switch with two contacts, ideal for installing in small teaching pendants.


  • Ergonomically-designed OFF-ON-OFF operation.
  • Easy recognition of position 1 to 2 transition is made possible by a snap action switch.
  • Sufficient difference in operating force is provided for shifting from posi tion 2 to position 3.
  • Low pressure is required to maintain position 2, allowing longtime operation.
  • Grip style enabling switch housing available.
  • The switch does not turn ON when being released from position 3 (OFF when pressed) to position 1 (OFF when released) (IEC60204-1,
  • Two contacts are provided in a 3-position enabling switch so that even if one contact fails due to welding or short-circuit, the other contact can disable machine operation.
  • The waterproof rubber boot provides IP65 protection.
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APEM GmbH (Niederlassung Hamburg)
Sportallee 8
22335 Hamburg
Tel: +49-40-253054-0