Control SC-L | Wilo
Series description



  • Three different operating modes for a broad field of application:
    • “Drain” operating mode: For draining sewage chambers
    • “Fill” operating mode: For filling water tanks and rainwater storage tanks
    • “FTS” operating mode: For controlling solids separation systems
  • Configurable overload protection
  • Thermal motor monitoring
  • Pump kick function
  • Adjustable follow-up time
  • Automatic pump alteration (from 2 pumps)
  • Service life optimisation (from 2 pumps)
  • Standby pump (from 2 pumps)
  • Automatic fault-actuated switchover (from 2 pumps)
  • Direction of rotation monitoring
  • High water alarm with forced switch-on of the connected pump(s)
  • Dry-running protection
  • Fault memory for 16 error messages including the type of fault
  • Maintenance monitoring


  • Max. number of connectable pumps: max. 2 pumps with float switch, max. 4 pumps with level sensor
  • Display of the current operating status and data, as well as faults, using the LCD display and LEDs
  • Elapsed time indicator
  • Symbol-based menu navigation
  • Configuration of operating parameters and operation via operating button
  • Main switch
  • Motor protection switch in the “DOL” version
  • Fuse and motor protection relay in the “SD” version
  • Operating mode selection switch per pump: Emergency/test mode, off, automatic mode

Type key


Wilo-Control SC-L 2x18A-T4-SD-WM-Ex




Smart control series


“Lift” version for water lifting applications


Number of pumps that can be connected


Maximum rated current per pump


Mains connection:

M = 1~220–230 V, 50/60 Hz

T4 = 3~380–400 V, 50/60 Hz

34 = line voltage, e.g. 380 – 400 V


Starting mode of the connected pumps:

  • DOL = direct starting (direct on line)
  • SD = star-delta starting


Installation type: Wall installation


Version for direct connection of Ex-approved pumps

Technical data

  • Mains connection: 1~230 V, 50/60 Hz or 3~ 380/400 V, 50/60 Hz or according to customer request
  • Max. rated power (P2) per pump:
    • 15 kW with direct starting
    • 37 kW with star-delta starting
  • Maximum rated current IN per pump:
    • 32 A with direct starting
    • 72 A with star-delta starting
  • Activation type: Direct or star-delta
  • Control voltage: 24 VDC, 230 VAC
  • Operating temperature: 0…+40 °C
  • Storage temperature: -10…+50 °C
  • Max. relative humidity: 50 %
  • Housing material: Coated steel sheeting
  • Protection class: IP54
  • Electrical safety: Pollution degree II


Microprocessor-controlled switchgear for level-dependent control of 1 … 4 submersible pumps with analogue or digital signal transmitters. Individual parameters are entered via symbol-based menu navigation and an operating button.


1x analogue precision input 4 – 20 mA for level control with level sensor

2x (for 1 pump) or 3x (for 2 pumps) digital inputs for level control with float switch

1x digital input for low water level with float switch (dry-running protection)

1x digital input for high water signal with float switch (high water alarm)

1x input per connected pump for thermal winding monitoring for bimetal or PTC temperature sensor

1x input per connected pump for connecting moisture sensors (e.g.: motor compartment leakage or sealing chamber monitoring)

1x digital input for External On/Off for remote activation and deactivation of automatic mode


1x potential-free contact for the collective run signal (SBM)

1x potential-free contact for the collective fault signal (SSM)

1x potential-free contact for the high water alarm

1x potential-free contact as a signal to start a pump-dependent submersible mixer (when idle)

1x analogue output 0-10 V for the output of the actual level value


Control SC-L

Certificate REACH (Documents)

REACH regulation

Edition 2020-08
Page format 209.9 x 296.7 mm
Number of pages 4
PDF (1 MB)