Danfoss MBC 5080, MBC 5180 Data sheet

Data Sheet

Differential pressure switch
Type MBC 5080 and MBC 5180

Heavy duty industry and marine applications

MBC dierential pressure switches are used in
industry and marine applications where space
and reliability are the most important features.

MBCs are compact pressure switches, designed
according to our new block design to survive in
the harsh conditions known from machine
rooms onboard ships.

MBCs have high vibration resistance and
feature all commonly marine approvals.

Features

• Designed for use in severe marine and
industrial environments

• High vibration stability

• Part of the Danfoss block-system, consisting
of MBC pressure switches, MBS pressure
transmitters and MBV test-valves

• MBC 5180 with ship approvals

• Low xed hysteresis and high repeatability,

• Optimal compact design for machine
building purposes

• Intended for alarm indication, shut-down,
control and diagnosing in many applications ­motors, gears, thrusters, pumps, lters,
compressors etc.

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Repeatability upper switch point

±0.1 bar (typ.)

Static pressure on LP-side
(Pressure released totally after activating the switch point)

±0.2 bar (max.)
Max. switch frequency

10/min. (0.16 Hz)

Permissible operating pressure (HP)

45 bar

Min. bursting pressure

90 bar

Lifetime
Mechanical

> 400.000 cycles

Electrical at max. contact load

> 100.000 cycles

Switch

SPDT

Contact load
AC15

0.5 A, 250 V

DC13

12 W, 125 V

Temperature
Operation

-10 – 85 °C

Transport

-50 – 85 °C

Enclosure

IP65, EN 60529

Vibration stability

Sinusoidal

4 g, 25–00 Hz

EN 60068-2-6

Shock resistance

Shock

50 g / 6 ms

EN 60068-2-27

Pressure connection
Standard

G1/4 female (ISO 228-1) or ange

Option

See specication form, page 3

Electrical connection

Plug

DIN 43650, Pg9, Pg11 or Pg 13.5

Wetted parts material

Housing

Anodized AIMgSi1, AW-6082 T6

Diaphragm

NBR

O-ring

NBR

Hole plug (ange version)

Nickel plated brass

O-ring (ange version)

NBR

Enclosure material
Housing

Anodized AIMgSi1, AW-6082 T6

Plug xture

Glass lled polyamid, PA 6.6

Net weight

0.35 kg

3

1

2

3

1

2

3
2

1

Out NO

In

Out NC

Out NO

In

Out NC

Danfoss

93Z19.11

Input

Normally closed (NC)

Normally open (NO)

Connected to enclosure of pressure control

Dierential pressure switch, type MBC 5080 and MBC 5180

Product specication

Technical data

Table 1: Performance

Table 2: Electrical specications

Table 3: Environmental conditions

Table 4: Mechanical characteristics

Electrical connection

Figure 1: Electrical connection

© Danfoss | Climate Solutions | 2021.02 AI185486433551en-000601 | 2

Dierential pressure switch, type MBC 5080 and MBC 5180

Mechanical connections

Mechanical dierential

MBC standard versions are adjusted at minimum dierential range 0.3 bar.

Variation in the system pressure will not aect the dierential setting.

If the dierential is set to a high value at 0 bar system pressure, there will be a small change in the setpoint.

Example:

MBC 5080 and MBC 5180 set to 5.0 bar dierential at 0 bar system pressure will at 30 bar system pressure give alarm
at approx. 34.2 bar. Dierential decreased 0.8 bar.

Our experience is that MBC 5080 and MBC 5180 often are used at a dierential setting close to minimum, where the
dierential would be independent of the system pressure.

If a high dierential is needed, we recommend to make a dierential setting at the system pressure that is normal
for the application.

© Danfoss | Climate Solutions | 2021.02 AI185486433551en-000601 | 3