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Controller / limiter combination

HT 41 / 42 series

As a result of their free configurability and compact design, the HT 41 / 42 self-programmable temperature controllers are universal controllers in machine, system and apparatus applications. In the design of this device, particular attention was paid to the limiter function with a permanent shutdown for unattended operation according to DIN/VDE 0721 and to non-contact switching of 3680 Watt.

Voltage supply 230 Volt AC / 60 Hz, option 115 Volt
Switching power 3680 Watt, 16 A
Interference immunity EN 50 082-2
Emitted interference EN 50 081-1
Sensor types Fe-CuNi (J), NiCr-Ni (K) with reference point compensation, sensor breakage protection and sensor polarity control, PT100 2-wire DIN/IEC
Tolerance 0.1% – 0.2% of full range
Controller outputs elect. switch (controller) (16 A), triac
Alarm outputs alarm output relay 6 A, limit comparator Y3, ±10 K from setpoint
Controller response P-PID
Limiter function Signal via 2 nd PT100
Cutout temperature Limiter 50°C – 500°C adjustable, actuates 16 A mechanical relay
Display actual/target value 4-digit LED display (13 mm)
Measuring range -199 to +999 digits
Deviation display 7 LED ±12°C flashes
Operation foil keypad 4 push buttons
Housing material Makrolon
Housing dimensions 80 x 185 x 65 mm (W x H x D)
Mounting plate dimensions 160 x 100 mm (H x W ), serves as a heat sink
Fastening 4 bores for M4 screws
Protection type IP65 (EN 60529), protection class I
Type HT41 cable inputs/outputs 8+PE-pin socket HANQ8 / load mains cable 1.2 m with German Schuko mains plug
Type HT42 terminal connections KV screw connectors without mains cable
Option external setpoint input
Setting ex works Sensor type PT100
Type Control range
HT 41 0 – 200°C
HT 42 0 – 200°C

These parameters can be reprogrammed by the customer, or we will supply the setting as required (additional charge).