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MBA800 type code explained

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The type code of your MBA800 level switch is useful in various situations. If you want to purchase an identical measuring device or need technical support, the type plate attached to the device provides you with all the information you need to specify your rotary paddle switch exactly.

The type code for our MBA800 series is more than just a product identifier ­– it describes the specifications of each individual measuring device. The complete configuration of the rotary paddle level switch is precisely documented in a systematically structured code, from the basic electronic design to special process requirements.

Want to configure your MBA800 yourself? Then you'll find everything you need to know here!

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Structure of the type code

The type code of your MBA800 allows you to specify the desired device configuration precisely.

The type number may seem complex at first glance, but it follows a clear logic. Each position of the code stands for a specific device property:

Position 1
defines the basic device type (MBA810 or MBA820) and thus the operating voltage. The MBA810 operates with 115-230V mains voltage and offers an additional relay changeover contact as an output. The MBA820 is the 24V DC version.

Position 2
indicates whether the device requires ATEX approval for use in potentially explosive atmospheres. Devices marked with 'Z' are ATEX-certified for potentially explosive atmospheres, while 'X' indicates the standard version.

Position 3
specifies the process connection, with a choice of different thread, flange, and angle flange variants. A wide range is available, from simple G 1½" thread connections to flanges in various nominal sizes and pressure ratings.

Positions 4 and 5
define the process conditions in terms of pressure and temperature, ensuring that the device is suitable for the respective application. The operating pressure (up to 3 or up to 10 bar) and the temperature (from 80°C to 800°C) determine the required version.

Position 6
provides information about the shaft design, which ranges from rigid shafts to flexible steel cables and special designs.

Position 7
indicates the specific immersion depth in millimeters, which can range from 90 mm to 15,000 mm depending on the shaft type.

Position 8
indicates the type of blade used, with various standard and special designs available – from standard blades and rubber blades to special folding blades for limited installation openings.

Position 9
indicates additional options, such as indicator lights, height adjustment, or condensate protection.


With this information, you can now configure the specifications of your MBA800 unit in our online configurator.

Example configurations of the MBA800

Using example configurations of the MBA800 rotary vane detector, we explain below how the type code is composed and interpreted.

1 810 mains voltage supply 115-230V AC with relay output
2

X

 without ATEX approval
3

A

 process connection with G 1½" thread in aluminum
4

N

 designed for normal pressure up to 3 bar
5 1 temperature resistance up to 80°C
6

A

 rigid shaft without protective tube
7

0400

 immersion depth 400 mm
8

A

 standard blade 98 x 40 mm
9

B

 with additional signal light
10 x without displacement nut
11

E

 anodized
12

D

 with connection piece for flexible shaft
13

M

 with ventilation element (ATEX)
1 820 24V DC power supply with optocoupler
2

Z

 ATEX approval for potentially explosive areas
3

F

 DN100 PN6 flange in stainless steel
4

N

 designed for normal pressure up to 3 bar
5 3 temperature resistance up to 350°C
6

I

 rigid shaft with protective tube protected and sealed in stainless steel
7

1020

 immersion depth 1020 mm
8

K

 folding blade for limited installation openings
9

B

 with additional signal light
10

x

 without locking nut
11

x

 not anodized
12

x

 without connecting piece for flexible shaft
13

M

 with ventilation element (ATEX)

Type code in the online configurator

For a detailed selection of new measuring devices or if you require specific configuration adjustments, we recommend our online configurator. There you can systematically review all technical parameters and put together the optimal solution for your application. #tothepoint

MBA Configurator
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Do you require technical assistance?

If you have any questions about your specific type code or the interpretation of individual items, our technical support team will be happy to help. With the type number of your device, we can quickly and accurately provide you with the information or components you need.

Our technical support team will also assist you with any questions you may have about selecting the right components for your rotating wing detector.

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FAQ – Questions and answers

Key questions and answers about the type codes for the MBA800 level switch at a glance.

The type code is clearly visible on the type plate of every MBA800 device. This robust plate is positioned so that it remains easily accessible even after installation and can be read without dismantling the device. In addition to the type number, the plate contains other important device information such as the serial number and date of manufacture.

The type code enables you and us to trace all device components and their specific versions. This is particularly valuable for technical support throughout the entire life cycle of the device. In the event of maintenance or service, the type code can be used to identify and provide exactly the right spare parts, minimizing downtime and maximizing operational reliability.

Yes, the positions for pressure (N = up to 3 bar, H = up to 10 bar) and temperature (1 = up to 80°C to 8 = up to 800°C) provide information about the permissible process conditions.

The first three digits of the type code indicate the version: "810" stands for the 115-230V AC version, "820" for the 24V DC version.

Our MBA800 product series includes various versions of high-quality rotary paddle level switches for bulk solids. We distinguish between two basic device versions:

  • The MBA810 is the standard version for mains voltage (115V to 230V AC). It has an additional potential-free relay changeover contact as a signal output, which can be loaded with up to 230V and 6A.
  • The MBA820 is the 24V DC version with a tolerance of ±5%. It is designed for voltages up to 30V DC and currents up to 1.2A.

A "Z" in the second position indicates that your device has ATEX approval for use in potentially explosive atmospheres. An "X" means that it is the standard version without ATEX approval.

The wavelength is indicated by the four-digit number after the shaft type. For example, "A0400" means that it is a rigid shaft that is 400 mm long.

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