Multifunction relay
SN 7920

Time dependent controls for industrial and railway applications.

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

Technical specifications
Width: 52,5mm
Enclosure design: Switch cabinet
Output contacts: 2 NC contacts, 4 NO contacts
Nominal voltage: AC/DC
Time function(s): Off-delay, with control signal, On-delay, On- and Off-delay, Flasher relay, Fleeting on make, Fleeting on break, Impulsgeber, Pulse extender
Type: SN 7920
Time range: 0,05 s - 300 h


Manufacturer: E. Dold & Söhne GmbH & Co. KG
Type: SN7920.54 AC/DC24-230V 0,05S-300H
Art. No.: 0058785