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PRODUCTS
 
Mechanical Pressure Switch Type Series PSS22
 
 
■ Setting ranges from -0.85 … 1 bar to 40 … 400 bar
■ High accuracy
■ Robust design
■ Precise switch point setting with adjustment knob
■ High loadability
■ Status - LED (option)
 
 
Technical data:
Input data
Adjustment range in bar -0.85 ... +1 0,2 ... 2 0,5 ... 8 1 ... 16 10 ... 30 10 ... 80
Overload limit in bar 20 60 60 60 350 350
Repeatability in bar ± 0.02 ± 0.04 ± 0.16 ± 0.32 ± 0.6 ± 1.6
Measurement Principal Diaphragm Diaphragm Diaphragm Diaphragm Piston Piston
Adjustment range in bar 10 ... 120 10 ... 160 20 ... 200 20 ... 250 30 ... 320 40 ... 400
Overload limit in bar 350 350 350 350 350 420
Repeatability in bar ± 2.4 ± 3.2 ± 4.0 ± 5.0 ± 6.4 ± 8.0
Measurement Principal Piston Piston Piston Piston Piston Piston
Process connection G1/4" male turnable
  G1/4" female
  Flange connection DIN ISO 16873
Tightening torque, recommended 20 Nm
Wetted parts Process connection: zinc plated steel
  Seal: NBR (Option: EPDM; FVMQ; Viton)
Output data
Output signal SPDT
Repeatability max. ±2% of full scale at room temperature
Hysteresis 5…10% of set point, not adjustable
Environmental conditions
Medium temperature range acc. to material of seal NBR: -20 ... +80 °C
  Low Temperature - NBR: -40 ... +80 °C
  EPDM: -40 ... +100 °C
  FVMQ: -40 ... +100 °C
  Viton: 0 ... +100 °C
Vibration resistance acc. to ≤ 10 g
ISO 16750-3 at 10 .. 2000 Hz  
Shock resistance acc. to ≤ 30 g / 14 ms
DIN 40046, T7  
Protection class acc. to DIN EN 60529 IP 65 ( 4 - pin L-plug DIN 175301 - 803A )
  IP 67 ( Circular connector M12×1, 4-pin )
Other data
Switching function Ohmic load: ~ 24V DC, 4A ; ~ 250 V AC, 6A
  Inductive load: ~ 24V DC, 4A ; ~ 250 V AC, 6A
Construction snap action micro switch
Min. lifetime 5×106 cycles
Max. switching frequenzy max. 100 cycles/min
Applications:
■ Mechanical engineering
■ Plant construction
■ Filter monitoring
■ Hydraulic
■ Pneumatic
■ Low vacuum
 
     
 
       
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