Main applications

  • Building services


The KSB DDE switchgear is a low-voltage switchgear combination to IEC 439-1 for controlling and protecting two three-phase current motors (400 V / 50 Hz). D.o.l. starting of motor.


The switchgear is not suitable for installation in potentially explosive atmospheres.

Further technical information about DDE

Overview of technical data

Level indication Pressure switch
Open- / Closed-loop control Open-loop control
Starting method Direct
Voltage 3 ~ 230 V / 50 HZ