Pressure switches

Type

3.10

3.20

3.25

Measuring element

Diaphragm seal

Diaphragm seal

Diaphragm seal

Range

0/1 – 0/25 bar
vacuum

0/1 – 0/25 bar

0/40 – 0/600 mbar

Protection degree

IP55

IP55

IP55

Electrical switching

N.1 microswitch (SPDT)

N.1 microswitch (SPDT)

N.1 microswitch (SPDT)

Connection

threaded

threaded

threaded

Features

cheap

Datasheet

EN

EN

EN

Type

3.26

3.27

3.28-3.29

Measuring element

Diaphragm seal

Diaphragm seal

Diaphragm seal

Range

0/6 – 0/16 mbar
vacuum

0/6 mbar – 0/160bar

0/250 mbar – 0/10 bar

Protection degree

IP55

IP65

IP65

Electrical switching

N.1 microswitch (SPDT)

N.1 or N.2 microswitches (SPDT)

N.1 or N.2 microswitches (SPDT)

Connection

threaded

threaded

threaded

Features

differential pressure switch

Datasheet

EN

3.28 3.29

Type

3.30

3.40-3.45

3.48-3.49

Measuring element

Diaphragm seal

Diaphragm seal

Diaphragm seal

Range

0/10 – 0/600 bar

0/40 mbar – 0/160 bar
vacuum

0/250 mbar – 0/10 bar
vacuum

Protection degree

IP55

IP65

IP65

Electrical switching

N.1 or N.2 microswitches (SPDT)

N.1 or N.2 microswitches (SPDT)

N.1 or N.2 microswitches (SPDT)

Connection

threaded

threaded or flanged

threaded

Features

EExd IIC T6 version;

EExd IIC T6 version;
differential pressure switch;
static pressure from 4 to 25 bar

Datasheet

EN

3.40 3.42
3.43 3.45

3.48 3.49