Data Sheet

6
Example: Universal voltage monitoring relay with LCD display for AC/DC voltage detection, 1 CO (SPDT) contact rated 10 A 250,
supply voltage 230 V, programmable delay time and fault memory.
Series
Type
1 = 1 phase AC line monitoring
3 = 3 phase AC line monitoring
4 = AC/DC universal- Voltage detection
5 = AC/DC universal- Current detection
9 = Thermistor relay (temperature
monitoring with PTC thermistor)
No. of poles
1 = 1 CO (SPDT) types 71.11, 31, 41, 51
1 = 1 NO (SPST-NO) type 71.91
2 = 2 CO (DPDT) type 71.92
Supply version
0 = AC(50/60Hz)/DC
8 = AC (50/60 Hz)
Supply voltage
024 = 24 V AC/DC
230 = 230 V
400 = 400 V
Additional functions
0 = Basic function
1 = Adjustable detection value
2 = Adjustable: Asymmetry, phase loss, phase rotation
Special versions
0 = No fault memory
1 = Fault memory
Options
0 = No delay time
1 = Two selectable delay times
2 = Adjustable delay times
Contact circuit
0 = CO (nPDT)
3 = NO (nPST-NO)
4 1 1 08 2 1
Ordering information
... .
2 3 071
71 Series - Monitoring relays 10 A
XI-2012, www.findernet.com