Dold Industries Ltd

11 Hamberts Rd. Blackall Ind. Estate
South Woodham Ferrers
GB-Essex, CM3 5UW
AK 9840

Asymmetry Relay

AK 9840

Contacts

Nominal voltage

Variant

  • 0017934
  • AK9840.82 3AC50/60HZ 220V
Asymmetry Relay more

Product description

Asymmetry Relay

Technical specifications

Enclosure design: Switch cabinet
Width: 70 mm
Operate delay: Yes
1- / 3-phase: 3
Output contacts: 2 C/O contacts
Standard measuring range: 3 AC 400 V
Measuring range max.: 3 AC 690 V
Type: AK 9840

Features

  • According to IEC/EN 60255-1
  • For nominal voltages from 3 AC 110 up to 690 V
  • Detection of
    - Voltage asymmetry
    - Incorrect phase sequence
    - Phase failure
    - Undervoltage
  • Voltage feedback recognition
  • Also suitable for harmonic industrial mains
  • Closed circuit operation
  • Contact position indication
  • With adjustable delay
  • 2 C/O contacts
  • Width: 75 mm