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Frequency Relay
SK 9143
- Article number: 0056009
- Type: SK9143.11 AC50/60HZ +/-10% 230V
Frequency monitoring function in in-plant generation units and local power supply systems. more
Product description
Frequency monitoring function in in-plant generation units and local power supply systems.
Technical specifications
| Measuring range max.: | 50/60 Hz |
| Standard measuring range: | 50/60 Hz |
| 1- / 3-phase: | 1 |
| Operate delay: | Yes |
| Output contacts: | 1 C/O contact |
| Width: | 17,5 mm |
| Enclosure design: | Switch cabinet |
| Auxiliary voltage required: | Yes |
| Type: | SK 9143 |
Advantages
- Easy setting
- Without auxiliary voltage
Features
- According to IEC/EN 60255-1
- Monitoring of overfrequency and underfrequency (selectable) in A.C. power systems
- Selection of frequency range for 50 or 60 Hz systems
- Adjustable response value
- Adjustable hysteresis
- De-energized on trip (output relay not activated in case of error)
- LED indicators for measuring voltage and contact position
- 1 changeover contact
- As option energized on trip (output relay activated in case of error)
- Devices available in 2 enclosure versions:
IK 9143: depth 58 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43 880
SK 9143: depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct - 17.5 mm width