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PSM03 1
PSM03
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WIKA · Pressure measurement · Family PSM

OEM compact pressure switch

OEM compact pressure switch with case in block design, suitable for hydraulics, pneumatics, and general machine building with high vibration and shock resistance.
Range
-0.85…400 bar
Accuracy
±2 % of full scale value
Protection
IP65
Price
On request
Depends on configuration
Request a quote
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Description

Model PSM03 mechanical pressure switches in a diaphragm or piston variant open or close a circuit, depending on whether the pressure is dropping or rising. An adjustment knob enables easy, convenient and continuous setting of the required switch point. Optionally, WIKA offers its customers the factory setting of the switch point.

Model PSM03 mechanical pressure switches are employed wherever compressed air, neutral and self-lubricating fluids or neutral gases are used and customers, due to their spatial conditions, have special requirements regarding the installation of the pressure switch.

OEM compact pressure switch, case in block design, model PSM03

The high reproducibility of ±2 % of the switch point and the setting via the adjustment knob is interesting for customers for whom precision plays an important part. In addition, the individual orientation of the pressure switch makes the model PSM03 attractive for customers who set value on the adaptation of the switch to their specific space conditions.

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Special features

  • High reproducibility
  • High vibration and shock resistance
  • Setting ranges -0.85 ... -0.15 bar and from 0.2 ... 2 bar to 40 ... 400 bar
  • Long service life due to high-quality micro switch
  • Precise switch point setting with adjustment knob
Identification
ModelPSM03
Product familyPSM
SubcategoryMechanical pressure switch
Measuring range
Pressure ranges0.2…2 bar · 0.5…8 bar · 1…16 bar · 10…30 bar · 10…80 bar · 10…160 bar · 20…250 bar · 30…320 bar · 40…400 bar · -0.85…-0.15 bar
Accuracy
Accuracy class±2 % of full scale value
Accuracy standardDIN EN 60947-1
Process conditions
Process connection
Vertical flange ISO 16873Horizontal flangeG 1/4 (female)G 1/4 (male)
Process temperature−20…+80 °C
Electrical characteristics
Electrical connectionAngular connector DIN 175301-803 A or M12 x 1
Switching functionSelectable: Normally open, normally closed, change-over contact
Materials
Case materialZinc diecast
Wetted parts materialZinc diecast, Steel, galvanised
Sealing materialNBR, EPDM, PTFE, Viton®, Viton
Operating environment
Ambient temperature−20…+80 °C
IP ratingIP65
Weight0.3 kg
Additional details
Datasheet languagesDE, EN
Tables from datasheet
Current utilization 1)AC voltage, currentDC voltage, current
Winkel- steckerM12 x 1
Resistive load AC-12, DC 12AC 250 V, 4 AAC 48 V, 4 ADC 24 V, 3 A
Inductive load AC-14, DC 14AC 250 V, 1 AAC 48 V, 1 ADC 24 V, 1 A
Setting range in barMax. working pressure in barMeasuring principleHysteresis
0,2 ... 260DiaphragmExample: At a switch point of 4 bar the hysteresis is 0.4 bar.
0,5 ... 8Hysteresis in bar
1 ... 16Switch point in bar
10 ... 30350PistonHysteresis in barExample: At a switch point of 100 bar the hysteresis is 12 bar.
10 ... 80
10 ... 160
20 ... 250
30 ... 320
40 ... 400420Switch point in bar