Turck Level monitor

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Delivered between 26.2.2026 and 12.3.2026
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Output voltage2

Product details

The Turck MK91-12-R/230VAC level switch is a highly advanced relay specifically designed for the precise monitoring of liquid levels. With a response sensitivity of 0.2 to 100 kOhm and a hysteresis of 10%, this device offers reliable and safe detection of liquids and foam. It features two relays with switching functions that allow for flexible control. The electronic electrode switching ensures easy handling and adaptation to various applications. Additionally, on and off delays of up to 20 seconds can be set separately, providing extra flexibility in use. The galvanic isolation between the input and output circuits, as well as the supply voltage, ensures high safety and reliability in operation.

  • Single-channel version for simple applications
  • Safe distinction between liquid and foam
  • Adjustable on and off delay of 0-20 seconds
  • Galvanic isolation between input and output circuits
  • Two relays with switching function for flexible control.

Key specifications

Output current type
AC
Output voltage
230 V
input voltage
230 V
Number of poles
1 x
Item number
36762347

General information

Manufacturer
Turck
Category
Relays
Manufacturer no.
7545070
Release date
28.6.2023

Relay properties

input voltage
230 V
Output voltage
230 V
Output current type
AC
Switching function
Toggle switch
Number of openers
2 x
Number of closers
2 x
Number of poles
1 x
Manufacturer Type
230VAC, MK91-12-R

Smart home features

Smart Home
Not compatible

Origin

Country of origin
Germany

Voluntary climate contribution

CO₂-Emission
Climate contribution

Product dimensions

Length
70 mm
Width
36 mm
Height
89 mm

30-day right of return
24 Months Warranty (Bring-in)

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Relays» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • Turck
    Not enough data
  • 1.ABB
    0 %
  • 1.Finder
    0 %
  • 1.Metz Connect
    0 %
  • 1.Phoenix Contact
    0 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Turck
    Not enough data
  • 1.Siemens
    0 days
  • 2.Shelly
    2 days
  • ABB
    Not enough data
  • Aqara
    Not enough data

Return rate

How often is a product of this brand in the «Relays» category returned?

Source: Digitec Galaxus
  • Turck
    Not enough data
  • 1.Tru Components
    0 %
  • 2.Schalk
    0.6 %
  • 3.Metz Connect
    1 %
  • 3.Phoenix Contact
    1 %
Source: Digitec Galaxus