Switch position indicator IStq 1, ISt 1, ISt 2


  • IST switch position indicator for electrical remote indication of switch positions
  • Indicates three positions: “off”, “on” and “fault” or “locked”
  • Suitable for power stations, substations and mimic diagrams
  • Front versions 25 × 25 mm, Ø 25 mm and Ø 32 mm available
  • DC and AC voltage versions from 24 V to 220/230 V
  • IP52 protection degree on the housing front side
  • Polycarbonate housing with 2.8 × 0.8 mm flat plug connection
  • Options for parallel load, disconnect contact and extended touch protection
Datasheet

IST

Switch position indicator for electrical remote indication

Type Switch position indicator for electrical remote indication of switch positions
Versions IST 01 and IST 2
Front dimensions 25 × 25 mm, Ø 25 mm or Ø 32 mm
Display Three positions: “off”, “on” and “fault” or “locked”
Application Remote indication of switch positions in power stations and substations; also suitable as indicator symbol in mimic diagrams
Housing material Polycarbonate
Connections Flat plug 2.8 × 0.8 mm
Touch protection Selectable as option
Operating voltage 300 V
Test voltage 3.5 kV
Protection degree front side IP52
Mounting Round nut
Max. clamping cross-section 1.5 mm²
Panel cutout 20.5 mm
DC voltage versions 24 V / 48 V / 60 V / 110 V / 125 V / 220 V
AC voltage versions 24 V / 48 V / 60 V / 110 V / 220/230 V
Measuring value version With parallel load
Scale version With disconnect contact
Housing versions Conditionally tropicalized or full touch protection

 

Model Table

Type Front dimension Order no. Weight approx. Operating voltage Test voltage Protection degree housing front side Mounting
IST 01 25 × 25 mm 1108B 0.07 kg 300 V 3.5 kV IP52 Round nut
IST 1 Ø 25 mm 1280B 0.07 kg 300 V 3.5 kV IP52 Round nut
IST 2 Ø 32 mm 1281B 0.07 kg 300 V 3.5 kV IP52 Round nut

 

Ordering Information

Version Code Description
DC voltage B1 24 V, 0.3 W
DC voltage IL224 48 V, 0.3 W
DC voltage IL248 60 V, 0.4 W
DC voltage IL260 110 V, 0.6 W
DC voltage IL511 125 V, 0.7 W
DC voltage IL512 220 V, 1.0 W
DC voltage IL522 220 V, 1.0 W
AC voltage B2 Base code for AC voltage
AC voltage IL624 24 V, 0.3 VA
AC voltage IL648 48 V, 0.3 VA
AC voltage IL660 60 V, 0.4 VA
AC voltage IL311 110 V, 0.6 VA
AC voltage IL726 220/230 V, 1.4 VA
Measuring value version IN1 With parallel load
Scale version GA2 With disconnect contact
Housing version LB1 Conditionally tropicalized
Housing version VB2 Full touch protection






Technical advice: 03303 / 50 40 66

Technical advice for this product


    In accordance with the General Data Protection Regulation (GDPR), we are obliged to inform you about the collection of data. We meet this obligation by referring to our privacy notice.



    Switch position indicator IStq 1, ISt 1, ISt 2

    • IST switch position indicator for electrical remote indication of switch positions
    • Indicates three positions: “off”, “on” and “fault” or “locked”
    • Suitable for power stations, substations and mimic diagrams
    • Front versions 25 × 25 mm, Ø 25 mm and Ø 32 mm available
    • DC and AC voltage versions from 24 V to 220/230 V
    • IP52 protection degree on the housing front side
    • Polycarbonate housing with 2.8 × 0.8 mm flat plug connection
    • Options for parallel load, disconnect contact and extended touch protection
    Datasheet

    IST

    Switch position indicator for electrical remote indication

    Type Switch position indicator for electrical remote indication of switch positions
    Versions IST 01 and IST 2
    Front dimensions 25 × 25 mm, Ø 25 mm or Ø 32 mm
    Display Three positions: “off”, “on” and “fault” or “locked”
    Application Remote indication of switch positions in power stations and substations; also suitable as indicator symbol in mimic diagrams
    Housing material Polycarbonate
    Connections Flat plug 2.8 × 0.8 mm
    Touch protection Selectable as option
    Operating voltage 300 V
    Test voltage 3.5 kV
    Protection degree front side IP52
    Mounting Round nut
    Max. clamping cross-section 1.5 mm²
    Panel cutout 20.5 mm
    DC voltage versions 24 V / 48 V / 60 V / 110 V / 125 V / 220 V
    AC voltage versions 24 V / 48 V / 60 V / 110 V / 220/230 V
    Measuring value version With parallel load
    Scale version With disconnect contact
    Housing versions Conditionally tropicalized or full touch protection

     

    Model Table

    Type Front dimension Order no. Weight approx. Operating voltage Test voltage Protection degree housing front side Mounting
    IST 01 25 × 25 mm 1108B 0.07 kg 300 V 3.5 kV IP52 Round nut
    IST 1 Ø 25 mm 1280B 0.07 kg 300 V 3.5 kV IP52 Round nut
    IST 2 Ø 32 mm 1281B 0.07 kg 300 V 3.5 kV IP52 Round nut

     

    Ordering Information

    Version Code Description
    DC voltage B1 24 V, 0.3 W
    DC voltage IL224 48 V, 0.3 W
    DC voltage IL248 60 V, 0.4 W
    DC voltage IL260 110 V, 0.6 W
    DC voltage IL511 125 V, 0.7 W
    DC voltage IL512 220 V, 1.0 W
    DC voltage IL522 220 V, 1.0 W
    AC voltage B2 Base code for AC voltage
    AC voltage IL624 24 V, 0.3 VA
    AC voltage IL648 48 V, 0.3 VA
    AC voltage IL660 60 V, 0.4 VA
    AC voltage IL311 110 V, 0.6 VA
    AC voltage IL726 220/230 V, 1.4 VA
    Measuring value version IN1 With parallel load
    Scale version GA2 With disconnect contact
    Housing version LB1 Conditionally tropicalized
    Housing version VB2 Full touch protection






    Technical advice: 03303 / 50 40 66

    Technical advice for this product


      In accordance with the General Data Protection Regulation (GDPR), we are obliged to inform you about the collection of data. We meet this obligation by referring to our privacy notice.



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