Thermistor-/PTC resistor relay TKR-2

Input side

Supply terminals A1 - A2 (L/+) - (N/-)

Supply voltage 24 - 240 V AC/DC

Tolerance -15 %; +10 %

Power consumption 2 VA

Measure circuit

Measuring terminals T1 - T2 (the connection for the measuring range must be effected via a separate cable)

Measuring voltage ca. 2.5 V DC

Upper resistance value 3.3 kΩ

Lower resistance value 1.8 kΩ

Sensor PTC resistor / thermal contact (can be switched to switch at the front)

Sensor malfunction signal LED red

Accuracy

Repeatability < 0.5 %

Switching difference +/- 5 %

Temperature dependency < 0.1 % / °C

General data

Mechanical life 3 x 107

Electric life 0.7 x 105

Dielectric strength between coil and contacts 2.5 kV

Ambient temperature -20°C … +55°C

Storage temperature -30°C … +70°C

Mounting position any

Fixing DIN rail EN 50022-35

Protection class of Front IP 40

Voltage limitation class III

Degree of contamination 2

Connection cross-section 2.5 mm2

Weight 77 g

Standards EN 60730-2-9, EN 61010-1

Output side

Number of contacts 2 changeover contacts

Switching voltage 250 V AC / 24 V DC

Switching current / contact material 8 A / AC1 / AgNi

Output display LED red

min. DC switching capacity 500 mW

Maximum peak current 10A / < 3s

Switching capacity 2000 VA / AC1 / 192 W / DC