Monitoring relay MR-ET1P
Monitoring relay MR-ET1P
Monitoring of motor temperature
Technical info
| Meassuring circuit data |
|
| Functions |
monitoring of temperature of the motor winding (max. 6 PTC) |
| with fault latch, for temperature sensors DIN 44081, |
|
| short circuit monitoring of the thermistor line , |
|
| test function with integrated Test/Reset key |
|
| LED indicator |
yellow LED, green LED |
| Measuring circuit |
|
| • terminals |
T1-T2 or T1-T3 |
| • initial resistance |
< 1,5 kΩ |
| • response value |
relay in OFF-position: ≥ 3,6 kΩ |
| • release value |
relay in ON-position: ≤ 1,65 kΩ |
| • disconnection |
short circuit thermistor: yes (T1-T2); no (T1-T3) |
| Input circuit |
|
| Rated voltage U |
230 V AC |
| Rated power consumption |
1,3 VA / 1,0 W |
| Rated frequency |
AC: 48...63 Hz |
| Output circuit |
|
| Number and type of contacts |
1 CO - changeover |
| Rated load AC1 |
5 A / 250 V AC |
| Max. breaking capacity AC1 |
1 250 VA (thermal constant current 5 A) |
| Insulation |
|
| Rated surge voltage |
6 000 V AC |
| Overvoltage category |
III PN-EN 60664-1 |
| Insulation pollution degree |
2, if built-in 3 PN-EN 60664-1 |
