CU 155

CU 155

CU155: Compact controller makes installation simple

CU155 is the ideal controller in space-critical applications. Because of its compact design, it only requires little space and offers the greatest possible flexibility for positioning the controller. Special applications with a slim and flat design take benefit from the use of a space-saving controller. It is equipped with mounting holes by default and therefore particularly fast and simple to install at the desired position.

Numerous connectivity options

Up to four drives can be connected to the CU155. Even complex motion profiles can be realized. An external DC voltage source with protective extra-low voltage is used for the power supply. In addition, an integrated overcurrent switch-off provides optimal system protection. The CU155 controller can be fitted with different controller PCBs. A direct, relay and microprocessor controller are possible. The latter is individually programmable with regard to its functions and error signalling. Furthermore, the CU155 can be designed for drives with Hall sensors. The controller can be operated with different cable handsets. The CU155 controller is certified in accordance with the test standards.
EN 60335-1, EN 60335-1, EN 55014-1 and EN 55014-2.

  • Control unit: relay-free control, relay control, microprocessor control with customised programming, fault signalling
  • Connection options: Connections for drives: 1-4; Connections for operating elements: 1

Standard configurations

Performance data

Duty cycle

2/18 min. or 10 %, max, 5 switching cycles per minute

Control unit

relay-free control, relay control, microprocessor control with customised programming

Output voltage

24 V DC


Housing colour

black RAL 9005, light grey RAL 7035

Connection cable

black, straight, 100 mm, PVC

Extension line

available separately, 2500 mm, straight, black, PVC

Transformer / Transformer type

external DC power supply

Further data

Connectivity 1

connections for drives: 1-4
connections for operating elements: 1

Protection type

max. IPX6

Protection class


Relative humidity

30% - 75%

Ambient temperature

+10°C - +40°C

Power supply

external DC power supply


fault signalling

Assembly options

fastening drill-holes

1 (example, depending on control unit type)

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