Switchgear ER-2 2 x 10.0 WM | Wilo

Switchgear ER-2 2 x 10.0 WM

Technical data
Tender text

Fully-automatic switchgear for wall fixation for operation of a two-pump system.


To set up pump switching, a pressure transmitter 4-20 mA (0 to 6, 10, 16, 25 or 40 bar) is required.

To set up low water cut-out, the following are required:

  • pressure switch or
  • WMS kit or
  • float switch or
  • submersible electrodes or
  • switchbox SK 277 incl. 3 submersible electrodes


  • Built-in electronic motor protection for each pump
  • Triggering of protection against low water level
  • Main switch 4-pole
  • Selection switch, Manual-0-Automatic, for each pump
  • Operation and fault signal light for each pump
  • Potential-free collective fault signal and collective run signal
  • Switch-off delay variable, 0 - 120 sec.
  • Integrated test run function (can be deactivated)


During installation, follow the local energy provider regulations and the local legal requirements (e.g. in Germany: guidelines of the VDI (Association of German Engineers)).

Technical data
Max. number of controllable pumps 2
Phase 3
Rated voltage U 380/400 V
Mains frequency f 50 Hz
Min. rated current I 1 A
Max. rated current per pump I 10 A
Activation type Direct online (DOL)
Protection class IP54
Material, housing Steel
Length L 120 mm
Width W 300 mm
Height H 400 mm
Net weight, approx. 9.5 kg
Make Wilo
Item no. 2511288

Installation and operating instructions

Wilo-ER 2/ER 3-4

Article Number 2025723
Edition 1810
Page format 209.9 x 297.0 mm
Number of pages 44
PDF (4 MB)

Certificate REACH (Documents)

REACH regulation

Edition 2021-10
Page format 209.9 x 297.0 mm
Number of pages 2
PDF (162 KB)