Power Automation Sweden AB

Cylindervägen 8
13152 Nacka Strand
Sweden
IL 9271

Undercurrent Relay

IL 9271

Contacts

Auxiliary voltage

Measuring range

Switching delay

Approval

Variant

  • 0049958
  • IL9271.12 AC/DC24V 0,1-15A
Undercurrent detection in single phase or 3-phase voltage systems. more

Product description

Undercurrent detection in single phase or 3-phase voltage systems.

Technical specifications

Width: 35 mm
1- / 3-phase: 1
Measuring range: AC 0,1 - 50 A
Auxiliary voltage: AC, AC/DC
Operate delay: Yes
Output contacts: 1 Wechsler, 2 Wechsler
Enclosure design: Distribution board
Type: IL 9271

Features

  • According to IEC/EN 60 255-1
  • IP 9271, SP 9271, SP 9271CT: 3-phase
    IK 9271, IL 9271, SK 9271, SL 9271, SL 9271CT: single phase
  • Measuring ranges from AC 0.1 ... 100 A
  • IK 9271, SK 9271: with 4 ranges settable by rotational switch, 1 changeover contact
  • IL 9271, SL 9271: with 5 ranges settable by rotational switch, 1 changeover contact
    with 4 ranges programmable by bridges, 2 changeover contacts
  • IP 9271, SP 9271: with 1 range, 2 changeover contacts
  • Settable response value
  • Fixed hysteresis
  • Settable time delay
  • De-energized on trip
  • Optionally energized on trip
  • LED indicators
  • With auxiliary voltage
  • Auxiliary supply and measuring input galvanic separated
  • Devices available in 2 enclosure versions:
    - I-model, e.g. IK _ _ _ _, depth 61 mm
    with terminals at the bottom for installations systems
    and industrial distribution systems according to DIN 43 880
    - S-model, e.g. SK _ _ _ _, depth 100 mm
    with terminals at the top for cabinets with mounting plate and cable duct
  • Width IK 9271, SK 9271: 17.5 mm
    IL 9271, SL 9271, SL 9271CT: 35 mm
    IP 9271, SP 9271, SP 9271CT: 70 mm