Dold Industries Ltd

11 Hamberts Rd. Blackall Ind. Estate
South Woodham Ferrers
GB-Essex, CM3 5UW
SN 7920

Multifunction relay

SN 7920

Contacts

Nominal voltage

Time range

Variant

  • 0058785
  • SN7920.54 AC/DC24-230V 0,05S-300H
Time dependent controls for industrial and railway applications. more

Product description

Time dependent controls for industrial and railway applications.

Technical specifications

Width: 52,5 mm
Nominal voltage: AC/DC
Time range: 0,05 s - 300 h
Time function(s): On Delayed, Release delay, with control signal, Ansprech- und Rückfallverzögert, Blinkrelais, Einschaltwischrelais, Ausschaltwischrelais, Impulsgeber, Impulsformer
Enclosure design: Switch cabinet
Type: SN 7920
Output contacts: 2 Öffner, 4 Schließer

Advantages

  • Higher flexibility (8 function in one unit)
  • To switch high DC-loads with mechanical forcibly guided contacts according to IEC 61810-3

Features

  • According to IEC/EN 61 812-1, DIN EN 50155
  • 8 functions settable via rotational switch:
    - Delay on energisation (AV)
    - Fleeting on make (EW)
    - Delay pulse (IE)
    - Flasher, start with pulse (BI)
    - Delay on de-energisation (RV)
    - Pulse forming function (IF)
    - Fleeting on break (AW)
    - Delay on energisation and de-energisation (AV / RV)
  • 8 time ranges from 0.05 s ... 300 h selectable via rotational switches
  • Voltage range AC/DC 24 ... 230 V
  • High DC switching capacity
  • With time interruption / time adding input
  • Adjustment aid for quick setting of long time values
  • Contacts:
    - 1 NC + 2 NO delayed
    - 1 NC + 2 NO delayed or instantaneous
  • LED indicators for operation, contact position and time delay
  • DIN rail or screw mounting
  • 52.5 mm width