Power Automation Sweden AB

Cylindervägen 8
13152 Nacka Strand
Sweden
MK 9056N

Unbalance relay

MK 9056N

Contacts

Nominal voltage

Terminal type

Approval

Variant

  • 0054181
  • MK9056N.12 AC50/60HZ 100-127V
The MK 9056N detect wrong phase sequence in 3-phase systems. To monitor phase failure it is more... more

Product description

The MK 9056N detect wrong phase sequence in 3-phase systems. To monitor phase failure it is more suitable to use an Asymmetry relay e.g. MK 9040N.

Technical specifications

Enclosure design: Switch cabinet
Width: 22,5 mm
1- / 3-phase: 3
Output contacts: 2 C/O contacts
Measuring range max.: 500 V
Standard measuring range: 3 AC 380 - 500 V
Type: MK 9056N

Advantages

  • Correct sense of rotation of motors
  • Simple wiring

Features

  • According to IEC/EN 60 255, DIN VDE 0435-303
  • Detection of wrong phase sequence
  • 2 changeover contacts
  • Wire connection: also 2 x 1.5 mm2 stranded ferruled, or 2 x 2.5 mm2 solid
    DIN 46 228-1/-2/-3/-4
  • MK 9056N as option with pluggable terminal blocks for easy exchange of devices
    - with screw terminals
    - or with cage clamp terminals
  • Width 22.5 mm