PM PT


PRESSURE SWITCHES FOR WATER SYSTEM APPLICATIONS

TECHNICAL DATA

PM/ 5

PM / 6

PM/ 12

PT/ 5

PT/ 6

PT/ 12

Pressure range 1÷5
bar
1,5÷5,5
bar
3÷12
bar
1÷5
bar
1,5÷5,5
bar
3÷12
bar
Factory setting 1,4 - 2,8
bar
1,8 - 3
bar
5 - 7
bar
1,4 - 2,8
bar
1,8 - 3
bar
5 - 7
bar
Min differential 0,6
bar
0,8
bar
1,5
bar
0,6
bar
0,8
bar
1,5
bar
Max differential

2,3

bar

2,2

bar

5

bar

2,3

bar

2,2

bar

5

bar

Rated current

16(10)A

Rated voltage 250 V

500 V

Protection degree

IP 44

Max fluid temperature

55°C

Max ambient temperature 55°C

GENERAL CHARACTERISTICS :

• Pressure switches for booster sets.
• The switch ensures automatically the starting and stopping
   of the electric pump according to the set pressure values.
• Electric contacts: normally closed and made
   of brass alloy with Ag-Ni surfacing.
• NBR rubber coated fabric membrane.
• ¼” F hydraulic connection made of galvanized steel.
• Tear resistant cable clamps.
• Terminal block with full insulated live parts.

Optionals - special arrangements

 

• Several available hydraulic connections.
• ¼” F Connection flange with pressure gauge seat.
• Customized settings.
• Transparent cover and graduated scale showing
   the cut-in pressure value.
• Cover with on/off button.
• Reinforced electric contacts up to 25A current.
• Protection degree IP 54.
• Version with electric cables for line and motor connection.