Power Automation Sweden AB

Cylindervägen 8
13152 Nacka Strand
Sweden
IL 9071

Undervoltage Relay

IL 9071

Contacts

Nominal voltage

Time delay

Response value

Approval

Variant

  • 0037525
  • IL9071.12 3/N AC415/240V 0,7UN4%
Monitoring of three-phase voltage systems to identify undervoltage, asymmetry or phase failure... more

Product description

Monitoring of three-phase voltage systems to identify undervoltage, asymmetry or phase failure and switching-on of safety lighting in accordance with DIN VDE 0108.

Technical specifications

Width: 35 mm
Operate delay: Yes
1- / 3-phase: 1, 3
Nominal voltage max.: 3/N AC 500/290 V
Auxiliary voltage: Without
Output contacts: 2 C/O contacts
Enclosure design: Distribution board
Type: IL 9071

Features

  • According to IEC/EN 60 255-1
  • Identification of
    - undervoltage
    - phase failure
    - asymmetry also with reverse voltage
    - missing neutral in the system
    - broken neutral on IL/SL 9071
    - neutral exchanged against phase
  • Single phase connection possible
  • According to DIN VDE 0100-710
    (for rooms used for medical purposes) as an option
  • Fixed setting value (variable as an option)
  • De-energized on trip
  • LED indicator
  • With safe disconnection according to IEC/EN 61 140,
    IEC/EN 60 947-1 between the Measuring Circuit and the contacts
  • Independant of phase sequence
  • 2 changeover contacts
  • Devices available in 2 enclosure version:
    IL 9071: depth 61 mm with terminals at the bottom for
    installations systems and industrial distribution
    systems according to DIN 43 880
    SL 9071: depth 98 mm with terminals at the top for
    cabinets with mounting plate and cable duct
  • Width 35 mm