ISN/ISNT 471/472 Navistat

The Trafag ISN/ISNT 471/472 navistat is a robust thermostat developed to withstand even the harshest environmental conditions. Industry usage ranges from air conditioning applications to engine and ship manufacturing and even to offshore oil and gas platform production. The appeal of Trafag ISN/ISNT 471/472 thermostats lies in their high switching point precision even after decades of operation under severe conditions without maintenance. Various sensor and casing designs cover a broad range of temperatures and possible applications.

Features:

  • Compact design
  • Rugged housing
  • High repeatability
  • Protection IP65
  • Any mounting position possible
ApplicationsShipbuilding, Engine manufacturing, Railways
CategoryThermostats
Dielectric strength

2 kV terminal ground

Approval / conformity

ABS, BV, CCS, DNV, GL, KRS, LRS, RINA, RMRS

EN60730-1/ EN60730-2-9: Typ 2.B.H

Vibration

5...25 Hz: ±1.6 mm

25...100 Hz: 4g

Media temperature

+20°C ... +300°C

Shock

50g/ 11 ms

Ambient temperature

Range ≤ +45°C: -30°C ... +50°C

Range +45°C ... +250°C: -30 ... +70°C

Range > +250°C: -10°C ... +70°C

Output signalFloating change-over contact
TEB typ. @ -25 ... +85°C

+20°C ... +110°C to +40°C ... +300°C

Measuring range

+20°C ... +110°C to +40°C ... +300°C

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