Power Automation Sweden AB

Cylindervägen 8
13152 Nacka Strand
Sweden
BA 9042

Asymmetry Relay

BA 9042

Contacts

Nominal voltage

Time delay

Variant

  • 0026354
  • BA9042 3AC50HZ 500V
The device responds to unsymmetric voltage changes, which can occur because of unbalanced load... more

Product description

The device responds to unsymmetric voltage changes, which can occur because of unbalanced load or phase failure (blown fuse). An asymmetry relay detects only the voltage difference between 2 phases and does not react on symmetric undervoltage.

Technical specifications

Enclosure design: Switch cabinet
Width: 45 mm
1- / 3-phase: 3
Output contacts: 2 Wechsler
Standard measuring range: 3 AC 400 V
Measuring range max.: 3 AC 500 V
Type: BA 9042

Features

  • According to IEC/EN 60255-1
  • For nominal voltage from 3 AC 100 V to 500 V
  • Detection of
    - Voltage asymmetry
    - Wrong phase sequence
    - Phase failure
  • Detection of feedback voltage
  • Closed circuit operation
  • LED indicators for operation and state of contacts
  • Optionally with adjustable time delay
  • Width 45 mm