Power Automation Sweden AB

Cylindervägen 8
13152 Nacka Strand
Sweden
MK 9163N ATEX

Thermistor Motor Protection Relay

MK 9163N ATEX

Contacts

Nominal voltage

Terminal type

Approval

Variant

  • 0056452
  • MK9163N.12/010 ATEX AC50/60HZ 230V
To protect against thermal overload of motors caused by high switching frequency, havy duty... more

Product description

  • To protect against thermal overload of motors caused by high switching frequency, havy duty starting, phase failure on one phase, bad cooling, high ambient temperature
  • Temperature monitoring of bearings, transmissions, oil and cooling liquids

Technical specifications

Width: 22,5 mm
Measuring range max.: > 3.8 kΩ
Auxiliary voltage: AC, AC/DC
Classification: Thermistor-Motorschutz
Output contacts: 2 Wechsler
Enclosure design: Switch cabinet
Type: MK 9163N ATEX

Advantages

  • Reliable temperature monitoring of motors
  • Rapid fault location

Features

  • According to EN 60947-5-1, EN 60947-8, EN 60079-14, EN 61508, EN 50495, EN 13849
  • Monitioring of
    - overtemperature
    - broken wire detection in sensor circuit
    - short circuit detection in sensor circuit
  • 1 input for 1 to 6 PTC-resistors
  • De-energized on trip
  • LED-indicator for
    - auxiliary supply
    - state of contact
  • Output with 2 changeover contacts
  • As option with manual reset, internal reset button and external remote reset X1/X2
  • Wire connection: also 2 x 1.5 mm2 stranded ferruled, or 2 x 2.5 mm2 solid
    DIN 46 228-1/-2/-3/-4
  • As option with pluggable terminal blocks for easy exchange of devices
    - with screw terminals
    - or with cage clamp terminals
  • Width 22.5 mm