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- Article number: 0034323
- Type: BA9837.11 30-90HZ UH AC240V 50/60HZ
The frequency relay can be used especially in applications where the rotor frequency of a... more
The frequency relay can be used especially in applications where the rotor frequency of a slip-ring motor must be measured. The rotor frequency is reciprocal proportional to the speed (see diagram rotor frequency at contercurrent braking). This behaviour allows to find speed depending switching values and can be used for start up and contercurrent braking of motors on cranes.
|Measuring range max.:||600 Hz|
|Standard measuring range:||30 - 90 Hz|
|1- / 3-phase:||1|
|Output contacts:||1 C/O contact, 2 C/O contacts|
|Enclosure design:||Switch cabinet|
|Auxiliary voltage required:||Yes|
- According IEC/EN 60255-1
- Detection of under- or overfrequency
- Adjustable response value
- Optionally 1 or 2 changeover contacts
- Width 45 mm