Thermistor Motor Protection Relay
BA 9039
To protect against thermal overload of motors caused by high switching frequency, heavy duty starting, phase failure on one phase, bad cooling, high ambient temperature.
| Auxiliary voltage: | AC, DC |
|---|---|
| Classification: | Thermistor-Motorschutz |
| Enclosure design: | Switch cabinet |
| Measuring range max.: | > 3 kΩ |
| Output contacts: | 2 C/O contacts |
| Type: | BA 9039 |
| Width: | 45 mm |
- According to DIN VDE 0660 part 302 (pr EN 60 947-8) and part 303
- 1 input for PTC-resistors
- Broken wire and short circuit detection in sensor circuit
- Optionally with no-voltage reclosing interlock
- Closed circuit operation
- 2 changeover contacts
- Green LED to indicate no-fault state
- Red LED to indicate operational mode
- Width 45 mm