DTS 391 – Differential Thermostat

Features

  • Two individual measuring systems
  • Short response time
  • Protection IP54
  • Electrical connection on terminal screw
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Technical Data

Applications

HVAC, Refrigeration

Category

Thermostats

Accuracy @ 25°C typ.

± 0.5 % FS typ. (Switchpoint)

Dielectric strength

U ≤ 250V: 1.45 kV
U ≤ 500V: 2 kV
terminal ground

Measuring principle

Thin-film-on-steel

Approval / conformity

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

Vibration

15 g (50...2000 Hz)

Pressure connections

G1/4" m, 1/4"NPT m, G1/2" m, M14x1.5 m, 1/2"NPT m

Media temperature

-30°C ... +150°C

Shock

50 g / 11 ms

Electrical connections

EN175301-803-A (DIN43650-A); Cable

Long term stability 1 year typ.

≤ ± 0.15 % FS typ.

Ambient temperature

Range ≤ +40°C: -30°C ... +50°C
Range > +40°C: -30°C ... +85°C

Protection

IP54

Output signal

Floating change-over contact

Measuring range

-30°C ... +40°C to +20°C ...+150°C

DTS 391 - Differential Thermostat