Mechanical single/dual pressure switchRepeatability ±1.0 % at constant temperature
Features
Bourdon tube pressure switch Switching point can be adjusted with corresponding reference unit during operation
Measuring ranges
4.4 ... 950 bar
Applications
Pump control,
Die-casting machines,
Press control,
Power plants Technical Data
A large variety of microswitches offers different electrical ratings and hysteresis for many applications. medium-contacting parts: Electrical ratings and hysteresis: Weight: B1S-...: approx. 0.6 kgB2S-...: approx. 0.7 kg Repeatability: Process connection:
Bourdon tube:stainless steel 1.4401stainless steel 1.4401 ±1 % at constant temperature switching rate: max. 20/min Set point adjustment: Turn the adjustment screw clockwise to decrease the set point. Temperature range: -40 °C... +75 °C System of protection IP00 Approval: Intrinsically safe: --- The switches are designed for intrinsically safe applications. Please add "Exi" to your ordering details when placing an order. To comply with the intrinsically safe approval following max. ratings must not be exceeded: Umax = 28 V Imax = 50 mA Housing: Aluminium, anodized Process connection: 1/4“ NPT female threadexcept ranges marked with *). These switches have proof pressures above 500 bar and are provided with high pressure thread with adapter "G1/4 female". Electrical connection: Lead wire PVC 1.5 mm 2 , length appr. 450 mm Pressure stages
Values shown in red (max. pressure rising) = max. operating pressure Pressure stage codeAdjustable range [bar]Test pressure [bar]Max. hysteresis of switch types in bar (end of range)Increasing press.Decreasing press.(short term)H, GH [bar]M, GM [bar]12SS 4.4 ... 82 3.4 ... 811000.961.86
Specifications are subject to changes without notice.Index: A 32SS 13.7 ... 220 11.0 ... 2172802.685.44 48SS 19.3 ... 330 16.5 ... 3274202.755.90 65SS* 26.1 ... 448 22.5 ... 4445603.587.92 120SS* 58.3 ... 827 41.4 ... 810100016.9037.90 180SS* 58.3 ... 950 41.4 ... 933140016.9037.90
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Barksdale