| Brand | DOLD |
|---|---|
| Housing width | 45 mm |
| Output contacts | 2 C/O contacts |
| Enclosure design | Switch cabinet |
| Order number | 0028741 |
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DOLD BA 9039 – Thermistor Motor Protection Relay
- Brand
- DOLD
- Part number
- BA 9039
- Order number
- 0028741
Thermistor Motor Protection Relay
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Price and lead time on request — add this part to your quote list and we will reply with pricing and availability.
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.
Features
- 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
Technical specifications
| Auxiliary voltage | AC, DC |
|---|---|
| Classification | Thermistor-Motorschutz |
| Enclosure design | Switch cabinet |
| Measuring range max. | > 3 kΩ |
| Output contacts | 2 C/O contacts |
| Width | 45 mm |
| Type | BA 9039 |
Available variants
| Auxiliary voltage | AC 24 V · AC 42 V · AC 48 V · AC 110 – 127 V · AC 220 – 240 V · DC 24 V |
|---|---|
| Contact equipping | 2 changeover contacts |
| Variant | – · With electromechanical reset facility. No-voltage safe |
Tell us the variant you need in your quote request.







