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SKF DSA1-S12W-1L1A switch
SKF DSA1-S12W-1L1A switch

SKF DSA1-S12W-1L1A switch

  • Machine tools
  • Printing machines
  • Wind turbines
  • Vehicles
  • Steel and heavy industries
  • Intermittently operated lubrication systems
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Product Description: The SKF DSA1-S12W-1L1A is a diaphragm pressure switch designed for single-line lubrication systems. It monitors pressure build-up, peak pressure, and pressure drop to assess system functionality. The microswitch, diaphragm, and pressure plunger are integrated into a compact plastic housing. It is factory-set for plug-and-play operation.
  • Function Principle: Diaphragm pressure switch
  • Lubricants: Oil, fluid grease (NLGI 000–0), oiled compressed air
  • Operating Temperature: 10 – 60 °C
  • Max Operating Pressure: 45 bar
  • Switching Pressure Range: 1 – 30 bar
  • Switching Tolerances:
    • 1 bar: +0.3 bar
    • 2 bar: +0.5 bar
    • 3 bar: –0.5 bar
    • 5 bar: ±0.5 bar
    • ≥8 bar: +0.5 / –1.5 bar
  • Switching Rate: Max. 30 cycles/min
  • Switch Type: Micro switch (change-over contact – NC/NO)
  • Contact Rating: Max. 125 VA
  • Switching Current: 2 mA – 300 mA
  • Switching Voltage: Max. 250 V AC / 30 V DC
  • Electrical Connection: M12×1 or cubical plug
  • Connection Fitting: DIN 3862 solderless pipe union or SKF Quick Connector (∅6 mm tube)
  • Housing Material: PA6 6GF30 (glass fiber-reinforced polyamide)
  • Membrane: FKM (FPM)
  • Protection Class: IP65
  • Dimensions: 76 × 120 × 41 mm – 83 × 129 × 41 mm
  • Mounting Position: Any