Frequency Relay
SL 9837
Article number:
0059017
Type:
SL9837.11 5-200HZ UH=AC230V
Description
The frequency relay IL 9837, SL 9837 can be used to monitor the frequency of AC voltage systems, rotor frequency of slip ring motors, control/monitoring of motors on cranes, monitoring the output frequency of inverters (IL9837.11/500).
Technical specifications
| 1- / 3-phase: | 1 |
|---|---|
| Auxiliary voltage required: | Yes |
| Enclosure design: | Distribution board |
| Measuring range max.: | 300 Hz |
| Operate delay: | Yes |
| Output contacts: | 1 C/O contact |
| Standard measuring range: | 5 - 200 Hz |
| Type: | SL 9837 |
| Width: | 35 mm |
Features
- According to IEC/EN 60255-1
- Overfrequency or underfrequency monitoring of AC voltages
- Adjustable response value fmin. or fmax 5 ... 200 Hz or 15 ... 600 Hz
- Adjustable hysteresis
- Large voltage range of the measuring input (nominal voltage AC 24 ... 440 V)
- De-energized on trip
- LED indication for auxiliary voltage, measuring voltage and contact position
- 1 changeover contact
- As option for frequency inverters with a range of 1 … 300 Hz
- 2 changeover contacts available on request
- As option adjustable start-up delay available
- Energized on trip function available on request
- Devices available in 2 enclosure versions:
IL 9837: depth 58 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43880
SL 9837: depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct - 35 mm width