Power Automation Sweden AB

Cylindervägen 8
13152 Nacka Strand
Sweden
SP 9077

Over- and undervoltage relay

SP 9077

Contacts

Nominal voltage

Time delay

Variant

  • 0050762
  • SP9077.39 3/N AC400/230V 0,1-20S
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

Enclosure design: Switch cabinet
Width: 70 mm
Operate delay: +
1- / 3-phase: 3
Output contacts: 2 x 2 Wechsler
Standard measuring range: AC 400 V
Measuring range max.: 480 V
Type: SP 9077

Features

  • According to IEC/EN 60 255-1
  • Identification of overvoltage, undervoltage and phase failure
  • With asymmetry identification as an option
  • 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 variable between 0.1 ... 20 s
  • Closed circuit operation
  • No auxiliary voltage
  • Independant of phase sequence
  • As option with phase sequence detection
  • Single-phase connection possible
  • Optionally for 3P3W Systems
  • 2 changeover contacts, at IP/SP 9077 2 x 2 changeover contacts
  • Devices available in 2 enclosure versions:
    I-model: depth 59 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43 880
    S-model: depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct
  • IL 9077, SL 9077: width 35 mm
    IP 9077, SP 9077: width 70 mm