Multifunctions monitoring relays - AC voltage monitoring in 3-phase network- 3(N)~ 400/230 V. Type of contacts: 1 CO, 2 CO
| Output circuit- contact data: | |
| Number and type of contacts | 1CO, 2 CO | 
| Contact material | AgSnO2 | 
| Max. switching voltage | 300 V | 
| Input circuit: | |
| Supply voltage AC | = monitoring voltage | 
| Rated power consumption | 1,2 W | 
| Range of supply frequency | 48...63 Hz | 
| Measuring circuit : | |
| Measuring terminals | (N)-L1-L2-L3 | 
| Measured value | 3(N)~, sinus, 48...63 Hz | 
| Measuring range | 0,7...1,15 Un | 
| Insulation: | |
| Rated surge voltage | 4 000 V AC | 
| Insulation rated voltage | 400 V AC | 
| Overvoltage category | III acc. to EN 60664-1 | 
| General data: | |
| Mechanical life (cycles) | > 3 x 107 | 
| Electrical life - resistive AC1 | > 0,5 x 105 ; 12A/250 V AC | 
| Ambient temperature - opertaing | -20...+60 oC |