low-water cut-out switchgear kit WMS R ¾ | Wilo

low-water cut-out switchgear kit WMS R ¾

Technical data
Tender text

Pressure switch as low-water signal transmitter for direct connection to the suction-side pipe provided by the customer.

Connection to the joint tubing, either R ¾" threaded nipple or Rp ¼" threaded bushing.

The pressure switch locks at 1.0 bar and enables at 1.3 bar (factory works setting in accordance with DIN 1988).

The factory settings cannot be modified.

Scope of delivery

  • Pressure switch incl. plug and approx. 1.2 m cable
  • T-piece Rp ¼"
  • Reducer Rp ¾" – ¼"
  • Double nipple R ¼"
  • Pressure gauge
  • Sealing material
Technical data
Max. operating voltage
230 V
Protection class
Cable length
1,5 m
Contact type
Micro button, gold contacts
Min. measurement range
1 bar
Max. measurement range
1,3 bar
Measuring accuracy
± 0.1 bar
Switch-off pressure
1 bar
Start-up pressure
1,3 bar
Max. inlet pressure
6 bar
Min. fluid temperature
0 °C
Max. fluid temperature
50 °C
Min. ambient temperature
0 °C
Max. ambient temperature
50 °C
Pipe connection
Rp ¾
Material, gasket
Material pressure connection
Material switch contacts
Net weight, approx.
0,5 kg
Item no.

Certificate REACH (Documents)

REACH regulation

Edition 2020-08
Page format 209.9 x 297.0 mm
Number of pages 2
PDF (158 KB)