Control systems & components for industrial heating, ventilation, air conditioning

EKR30

EKR30 is a proportional controllers for electric heaters with automatic voltage adaptation. EKR30 can control 30kW heater and has relay output for extra load control with contactor, on which can be connected load up to 12kW. Full load can be 42kW.

EKR30 is a proportional controller for electric heaters with automatic voltage adaptation. EKR30 controls the whole load On-Off. The ratio between On-time and Off-time is varied 0-100% to suit the prevailing heat demand. EKR30 is designed only for electric heating control. The control principle makes it unsuitable for motor or lighting control. EKR30 can control 30kW heater and has relay output for extra load control with contactor, on which can be connected load up to 12kW. Full load can be 42kW. EKR30 has zero phase-angle detection to prevent Radio Frequency Interference. EKR30 automatically adapts its cont rol mode to suit the dynamics of the controlled object . For rapid temperature changes i. e. supply air control EKR30 will act as a PI controller. For slow
temperature changes i.e. room control EKR30 will act as a P controller.
 

Technical data

Controlled load [kW]  *

30

Extra load controlled load (recommended)

12

Max. controlled current [A]

45

Voltage [V]

3x230/3x400

Frequency [Hz]

50-60

Phases

~3

Dimmensions (LxWxH) [mm]

240x260x175

Fuse [A]

2x0,315

IP class

IP20

Ambient temperature without condensation [°C]

0-40

Heat dissipation [W]

120

Ambient humidity

90%RH max.

* Extra load should be connected via contactor to the relay output.