2C74 Instantaneous Current Relay

Popis

Tento produkt je zastaralý.

Zvažte použití relé 2C65 pro vaši aplikaci. Mějte však na paměti, že 2C65 není přímou náhradou za 2C74.

The 2C74 relay provides high speed overcurrent protection for various items of power system plant such as frame earth leakage protection of metal clad switchgear & tank earth fault protection of sub-station power transformers. The 2C74 relay is a single phase device built in a compact size 2M draw out case suitable for rack and flush mounting. Where 3 phase monitoring is required, 3 single phase units should be employed. The relay measuring element is basically an attracted armature unit of simple & rugged construction. The operating coil of this unit is energised from a transformer which is tapped to provide seven (7) current settings. Setting is achieved using a plug bridge arrangement on the front panel.

Features

  • High speed operation
  • High sensitivity
  • 50Hz or 60Hz operation
  • Seven (7) current settings using a plug bridge
  • Choose from 5 setting ranges
  • <10ms operation at 5x setting
  • Hand reset mechanical flag
  • 2 N/O trip contacts
  • Rugged attracted armature sensing element
  • Use 3 independent units for 3 phase applications
  • Size 2M28 draw out case
  • Made in Australia

Dokumentace ke stažení:

2c74-technical-bulletin

    + Poptávkový formulář