E. Dold & Söhne GmbH & Co. KG

Tel.: +49 7723 654-0
E-Mail: dold-relays@dold.com

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Direct contact for orders

Tel.: +49 7723 654-454
E-Mail: ab@dold.com

Direct contact for technical questions

Tel.: +49 7723 654-459
E-Mail: rv@dold.com

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Tel.: +49 7723 654-455
SK 9143

Frequency Relay

SK 9143

Contacts

Nominal voltage

Measuring range

Response value

Hysteresis

Variant

  • 0056009
  • 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

Enclosure design: Switch cabinet
Width: 17,5 mm
Operate delay: Yes
Output contacts: 1 Wechsler
1- / 3-phase: 1
Auxiliary voltage required: Yes
Standard measuring range: 50; 60 Hz
Measuring range max.: 50/60 Hz
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