Description
TRAFAG SENSORS CONTROLS
TYPE: 920.2374.931
DIFFERENTIAL PRESSURE PRESSOSTAT
RANGE: -0.6…3.4 BAR (~KG/CM2)
-0.06…0.34 MPA
PMAX: 12 BAR(~KG/CM2)/1.2 MPA
POWER SUPPLY: 250V AC/ 15(1.25)A 30V DC/ 15 (1.5)A
IP65
-25T70
The Trafag 920.2374.931 is a differential pressure switch, also termed a pressostat, for shipboard control systems. It reacts to the difference between two pressures within a range of -0.6 to 3.4 bar (-0.06 to 0.34 MPa) and operates its electrical contact accordingly, giving the control circuit a switching signal to act on. Maximum pressure is 12 bar, and the electrical rating covers 250 V AC at 15(1.25) A and 30 V DC at 15(1.5) A. The enclosure is rated IP65. Supplied in New Open Box condition.
Key Features
✓ Differential range -0.6 to 3.4 bar (-0.06 to 0.34 MPa)
✓ Maximum pressure 12 bar (1.2 MPa)
✓ Rated 250 V AC / 15(1.25) A
✓ Rated 30 V DC / 15(1.5) A
✓ IP65 protection, -25T70 temperature marking
Marine Applications
✓ Filter differential pressure monitoring on fuel and lube oil lines
✓ Strainer pressure difference alarms in cooling water systems
✓ Pump differential pressure supervision in engine room control
✓ Heat exchanger differential pressure monitoring
Technical Support
Prota Marine provides technical support, repair and onboard installation for the differential pressure switch and the wider marine control system. Fault diagnosis covers contact and pressure-sensing issues, and commissioning support is available once the switch is in place.
