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SL 9069

Neutral Monitor

SL 9069

Contacts

Nominal voltage

Variant

  • 0050635
  • SL9069.12 3/N AC220/127V
The IL/SL9069 neutral monitors in the VARIMETER series monitor the neutral conductor in... more

Product description

The IL/SL9069 neutral monitors in the VARIMETER series monitor the neutral conductor in electrical systems and three-phase networks. Monitoring is simple and does not require a great deal of wiring, as no auxiliary voltage is required. The detection of a missing neutral conductor, a phase or a reversal of the neutral conductor with a phase prevents costly damage and as a user you benefit from the operational safety and high availability of your system.

Technical specifications

Measuring range max.: 415 V
Standard measuring range: 3/N AC 400/230 V
1- / 3-phase: 3
Operate delay: Yes
Output contacts: 2 C/O contacts
Width: 35 mm
Enclosure design: Switch cabinet
Type: SL 9069

Advantages

  • Protects systems from damage caused by excessively high or low voltages with unbalanced loads
  • Preventive maintenance
  • For better productivity

Features

  • According to IEC/EN 60255-1
  • Detection of
    - Missing neutral in the system
    - Broken neutral on IL/SL 9069
    - Neutral exchanged against phase
  • Detection of phase failure also with disconnected load
  • For 3-phase systems
  • De-energized on trip
  • LED indicator for operation/state of output contacts
  • Single phase connection possible
  • Without auxiliary voltage
  • 2 cangeover contacts
  • Optionally with adjustable asymmetry detection and on delay
  • Devices available in 2 enclosure version:
    IL 9069: Depth 59 mm with terminals at the bottom for installations systems and industrial distribution systems according to DIN 43880
    SL 9069: Depth 98 mm with terminals at the top for cabinets with mounting plate and cable duct
  • Width 35 mm