// CONTROL TECHNOLOGY

Safety switches with separate actuator
ST 61

Features/Options

  • Metal enclosure
  • Double insulated Schutzisoliert
  • Slow action Zwangsöffnung, change-over contact with double break
  • 3 cable entries M20 x 1.5
  • Wiring compartment
  • Ex-version available
  • With gold-plated contacts available on request
  • Long life
  • High level of contact reliability with low voltages and currents

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ST 61

Ordering details

Technical data

Standards IEC/EN 60947-5-1; EN 1088; BG-GS-ET-15
Enclosure aluminium die cast, paint finish
Actuator stainless steel 1. 4301
Protection class IP 65 to IEC/EN 60529
Contact material silver
Switching system slow action, positive break NC contact Zwangsöffnung
Switching elements change-over contact with double break Zb or 2 NC contacts, galvanically separated contact bridges
Termination plug-in connector
Cable section max. 2.5 mm2 (incl. conductor ferrules)
Cable entry 3 x M20 x 1.5
Uimp 6 kV
Ie/Ue ES 61: 16 A/400 VAC ES 61 2NC: 6 A/400 VAC
Max. fuse rating ES 61: 16 A gL/gG D-fuse ES 61 2NC: 6 A gL/gG D-fuse
Mechanical life > 1 million operations
Utilisation category AC-15
Max. fuse rating ES 61: 16 A gL/gG D-fuse ES 61 2NC: 6 A gL/gG D-fuse
Positive break travel 10 mm
Ambient temperature –20 °C … +80 °C
Mechanical life > 1 million operations

Kontaktvarianten

  Slow action   
1 NC/1 NO contact
ST 61 1Ö/1S
2 NC contacts
ST 61 2Ö

    Actuating radius

    Straight actuator ST 61-B1

    Angled actuator ST 61-B5