Dry run protection / Flow switches


Dry run protection DRP-1

Dry run protection DRP-1

The dry run protection DRP-1 is suitable
for 230 Volt centrifugal pumps.

Installation: vertical in the pressure line

The DRP-1 shuts off the Pump automatically while dry running and the red lamp pump off lights.
Put back into operation manually by pressing the release button.

ATTENTION: A Shutdown can be only done under 0.6 bar pressure!

technical Data:

  • Pump motor: 230 Volt - 50 Hz
  • Max. Ampere: 10 A
  • Suitably pressure range: 0,6 - 6 bar
  • Connection: 1" Male (Input) - 1" Female (Output)
  • Scope of delivery: 1,2 mtr. Cable H07RN-F 3 x 1,0 mm² with plug


Flow switch Flowmatic H10AR

Flow switch Flowmatic H10AR

dry running protection for centrifugal pumps

The flow switch is installed in a tee in the pressure line.
The medium flowing through acts on the paddle and
actuated thereby a magnetic switches. Delay of 0-10 sec.
The paddle can be adjusted by shortening the corresponding pipe size.

  • Liquid temperature: max. + 100 °C
  • Operating pressure: max. 8 bar
  • Connection: 1" Male
  • For pipe diameter: 1" - 4"
  • Minimum flow: 20 ltr./min.
  • Voltage: 230 Volt
  • Ampere: 10 (4) A, 230 Volt
  • Version: Changer
  • Installation position: horizontal or vertical

 

 

Level control system


Submersible electrode EL-S and electrode cables

Submersible electrode EL-S and electrode cables

Single pole submersible electrode made of stainless steel in a plastic housing for water.
Suitable for temperature range 0°C to + 60°C.

For self terminal by bolting. dense nut, cutting ring and O-ring the line connection reliable and waterproof from.

Electrode cable

Single core electrode cable H07RN-F 1.5 mm² (NSH 1,5 mm²)
(optionally available!)


Electrode level relay CM-ENE MIN/MAX

Electrode level relay CM-ENE MIN/MAX

to connect 2 electrodes (C and MIN/MAX),
1 NO contact

Level relays the levels of conductive liquids can monitor.
The single-pole electrodes act as probes. They are in the to be monitored immersed medium and detect a change in resistance when they are wetted or de-wetting.

CM-ENE MIN: monitors the filling level with respect to a Minimum level (on the monitoring of pump controllers Dry running - bottom switched off)

CM-ENE MAX: can be used to follow-up of pump controls be used
(top switched off)

 

Technical data:

  • Height: 88 mm
  • Number of contacts as make contacts: 1
  • Voltage: 230 - 240 V


Electrode level relay CM-ENS

Electrode level relay CM-ENS

for the connection of 3 electrodes, 2 changer

The electrode level relay CM-ENS monitors and controls the levels of conductive liquids. It is used for filling and emptying, for dry running protection and for signaling the status of the monitored fill level.

The sensitivity and the working principle can be adjusted by potentiometers on the front. The switch-on and switch-off delay can also be set from 0.1 to 10 s.

 

Technical data:

  • Height: 85,6 mm
  • Width: 22,5 mm
  • Depth: 103,7 mm
  • Number of contacts as changer: 2
  • Voltage: 24 - 240 V AC/DC