Power Automation Sweden AB

Svarvarvägen 20A
132 38 Saltsjö-Boo
Sweden
SL 9077/800

Over- and undervoltage relay

SL 9077/800

Contacts

Nominal voltage

Time delay

Variant

  • 0054757
  • SL9077.12/800 3/N AC400/230V 1-60S
Monitoring of three-phase voltage systems to identify overvoltage and undervoltage, e.g. to... more

Product description

Monitoring of three-phase voltage systems to identify overvoltage and undervoltage, e.g. to monitor in-house generation equipment in accordance with VDE 0100.

Technical specifications

Width: 35 mm
1- / 3-phase: 1, 3
Standard measuring range: 3/N AC 400/230 V
Measuring range max.: 400 V
Auxiliary voltage: Without
Output contacts: 2 C/O contacts
Operate delay: Yes
Enclosure design: Switch cabinet
Type: SL 9077/800

Features

  • According to IEC/EN 60255-1
  • Identification of overvoltage, undervoltage and phase failure
  • Mains fault diagnostics with a number of LEDs
  • Setting values for overvoltage and undervoltage can be set separately
  • Large Setting Ranges 0.9 ... 1.3 UN and 0.7 ... 1.1 UN
  • Time delay on reset variable between 1 ... 60 s
  • De-energized on trip
  • No auxiliary voltage
  • Independant of phase sequence
  • Single-phase connection possible
  • Fast reaction on overvoltage
  • High overload possible
  • 2 changeover contacts
  • Devices available in 2 enclosure versions:
    IL 9077: Depth 59 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43880
    SL 9077: Depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct
  • Width 35 mm