P/PS 900/904/912 Pressostat

The Trafag  P/PS 900/904/912 pressostat electromechanical pressure switch provides high vibration resistance and switch point precision in combination with an extremely robust and durable design. This results in switches that can be operated for decades without requiring maintenance, even under harsh conditions. Various designs with bellows, membrane and piston sensors cover a wide variety of pressure ranges, media and load profiles for many different applications.

Features:

  • Rugged aluminium housing
  • Protection IP65
  • Any mounting position possible
ApplicationsShipbuilding, Engine manufacturing, Railways, Machine tools, Hydraulics
CategoryRailways
Dielectric strength

U ≤ 250V: 1.45 kV /

U ≤ 500V: 2 kV terminal ground

Approval / conformity

ABS, BV, CCS, DNV, GL, KRS, LRS, RINA

EN60730-1/ EN60730-2-6: Typ 2.B.H

Vibration

Switch 23/26, 5...25 Hz: ±1.6 mm

25...100 Hz: 4g

Ranges 72, 73, 75, 5...50 Hz: 20 mm/sec.

Pressure connections

G1/4" f, G1/2" m, 1/4"NPT f

Media temperature

-40°C ... +150°C

Shock50 g / 11ms
Ambient temperature

-25°C ... +70°C

Output signal1 Floating change-over contact (SPDT)
TEB typ. @ -25 ... +85°C

-0.9 ... 1.5 to 10 ... 100 bar

5 ... 50 to 125 ... 1500 psi

Measuring range

-0.9 ... 1.5 to 10 ... 100 bar

5 ... 50 to 125 ... 1500 psi

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