Fields of Use

Air compressors, water pumps, hydrophores.

Functions

The pressure switch controls the pump, the hydrophore and the air compressor working automatically and makes it work between the minimum and maximum setting values; at the maximum setting value, the electric contacts opens and stop the motor, at the minimum  value, they  close and start  t he motor.

Standart Elektric Contacts

MS70 brass and E-CU copper (99,9%) alloy with Ag-CdO plating.

Standart Flanges

Please visit this page to see all possible flange types.

ON / OFF Button

Be request.

Sensitive Membrane

Natural Rubber for water,  For switches with unloader valves (for air compressors)  - NBR or by request can be used  silicone.

TECHNICAL DATA

Code

Unloader Valve

Pressure Range

Factory Settings

Minimum Differencial

Maximum

Differencial

Net Weight

ELT-2

Without

2 / 8 Bar

4 / 5 Bar

0.9 Bar

4.7 Bar

465 gr

ELT-2C

With

2 / 8 Bar

3.8 / 5 Bar

1.2 Bar

5.0 Bar

470 gr

ELT-3

Without

3 / 11 Bar

5.8 / 7 Bar

1.2 Bar

5.3 Bar

465 gr

ELT-3C

With

3 / 11 Bar

5.6 / 7 Bar

1.5 Bar

5.6 Bar

470 gr

ELT-4

Without

4 / 16 Bar

8.6 / 10 Bar

1.8 Bar

7.5 Bar

465 gr

ELT-4C

With

4 / 16 Bar

8 / 10 Bar

2.1 Bar

7.8 Bar

470 gr

Rated Current

16 А

These parameters are admissible for all models above

Rated Voltage

380 V

Max. Medium Temperature C°

55°С

Protection Degree

IP44

Life Test Results

Electrical

400 000 Cycles

Mechanical

1 000 000 Cycles