Keld

HVAC Control

Since 90´s, Keld provides the heating & refrigeration market with a complete and versatile offering of digital controls for humidity ​& temperature applications.

Indicators

Temperature digital displays.

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Humidity

Relative humidity digital control and combinated humidity & temperature control.

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Temperature

Digital controls for heating & cooling applications. Different sizes for panel mounting or DIN rail.

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Other Applications

Thermal solar energy, milk tank refrigeration, high temperature or Digital timers.

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Accesories

PTC / NTC temperature probes, relative humidity probes or parameter programming keys.

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INDICAtoRS

serie klt01

Temperature indicators.
PTC or NTC probes reading.
Panel mounting.
Cutout 71 x 29 mm

Datasheet
Manual

serie EKTBIG01

Temperature indicators.
Big size display (digit height 30,6 mm).
Panel mounting.
Cutout 91 x 45 mm

Datasheet
Manual

HUMIDITY

Serie KLH11

Relative humidity controls.
1 relay and 1 probe 0-1V / 0-3V / 4-20mA

Datasheet
Manual

Serie KLTH43

Relative humidity & Temperature control.
Panel mounting.
Cutout 130,5 x 100,5 mm.
4 relays /2 temperature probes / 1 humidity probe

Datasheet
Manual

Temperature

Serie KLT11DS

Thermostats for heating/cooling applications.
33mm depth for installation in tight spaces.
1 Relay / 1 Probe

Datasheet
Manual

Serie KLT11D

Thermostats for heating/cooling applications.
1 Relay / 1 Probe.
Panel mounting. Cutout 71 x 29 mm

Datasheet
Manual

Serie ST11

Thermostats for heating/cooling applications.
1 Relay / 1 Probe.
Interface touch control IP65.
Panel mounting.
Cutout 71 x 29 mm

Datasheet
Manual

Serie KLTX3

Thermostats for heating/cooling applications.
Designed with specific functionalities for cooling machines.
Up to 3 relays / 3 probes / 1 digital input

Datasheet
Manual

Serie STX3

Thermostats for heating/cooling applications.
Designed with specific functionalities for cooling machines.
Up to 3 relays / 3 probes / 1 digital input.
Interface touch control IP65.

Datasheet
Manual

Serie KLT22Z

Thermostats for heating/cooling applications.
Dual stage temperature control.
2 relays / 2 probes

Datasheet
Manual

Serie EKTDIN

Thermostats for heating/cooling applications, DIN format mounting.
Designed with specific functionalities for cooling machines.
5 relays / 3 probes/ 2 digital inputs

Datasheet
Manual

Serie EKT5

Thermostats for refrigeration applications.
HACCP Registry / Intelligent defrost.
ECO smart function / RTC.
3 relays / 3 probes / 1 digital input

Datasheet
Manual

Serie EKT8

Thermostats for refrigeration applications.
HACCP Registry / Intelligent defrost.
ECO smart function / RTC/ 2 compressors.
Panel mounting.
Cutout 150 x 31 mm.
Power supply 90-255Vac.
5 relays / 3 probes/ 2 digital inputs

Datasheet
Manual

Other Applications

Serie KLTX3ST

Controllers designed for thermal solar energy applications.
3 relays / 3 probes

Datasheet
Manual

Serie KLT21M

Controllers designed for refrigerated milk tank applications.
Voltage monitoring.
2 relays / 1 probe / 1 digital input

Datasheet
Manual

Serie KLTIMER

Digital timers.
Starting countdown using button or remote input

Datasheet
Manual

Serie KLT11BB

Thermostats designed for high temperature applications.
1 relay / 1 thermocouple probe

Datasheet
Manual

Accesories

Programming key

Parameter programming key.
Built-in battery

Datasheet
Manual

Temp. Probe PTC

PTC temperature probes.
Standard length 1500 mm.

Datasheet

Temp. Probe NTC

NTC temperature probes.
Standard length 1500 mm.

Datasheet

Humidity probe

Humidity probe 0-3 Volts

Datasheet
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