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Thermistor Motor Protection Relay
BA 9038
- Article number: 0026685
- Type: BA9038.11 AC50/60HZ 230V
The thermistor motor protection relay BA 9038 is used to protect against thermal overload of... more
Product description
The thermistor motor protection relay BA 9038 is used to protect against thermal overload of motors caused by high switching frequency, havy duty starting, phase failure on one phase, bad cooling, high ambient temperature. Also the temperature monitoring of bearings, transmissions, oil and cooling liquids is possible. Up to six thermistors can be connected via the input.
Technical specifications
| Width: | 45 mm |
| Measuring range max.: | > 3 kΩ |
| Auxiliary voltage: | AC, AC/DC |
| Classification: | Thermistor-Motorschutz |
| Output contacts: | 1 C/O contact, 2 C/O contacts |
| Enclosure design: | Switch cabinet |
| Type: | BA 9038 |
Advantages
- Reliable temperature monitoring of motors
Features
- According to IEC/EN 60947-8
- 1 input for PTC-resistors or bimetal contacts
- Broken wire detection in sensor circuit
- Optionally with no voltage reclosing interlock
- Closed circuit operation
- 1 or 2 changeover contacts
- Width 45 mm