Multifunctions monitoring relays (AC voltage monitoring in 3-phase network - 3(N)~ 400/230 V) • Monitoring of phase failure, asymmetry, phase sequence. Type of contacts: 1CO, 2 CO
Output circuit - contact data |
|
Number and type of contacts |
1 CO, 2 CO |
Material contacts |
AgSnO2 |
Max. switching voltage |
300 V |
Input circuit: |
|
Supply voltage AC |
= monitoring voltage |
Rated power consumptions |
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 1,2 / 50 μs |
Insulation rated voltage |
400 V AC |
Overvoltage category |
III |
General data: |
|
Mechanical life (cycles) |
> 3 x 107 |
Eletrical life - resistive AC1 |
> 0,5 x 105 12A/250 V AC |
Ambient temperature - operating |
-20...+60 oC |