PCB-(M)686B61
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      PCB-(M)686B61

    • Electronic vibration switch
    • ",
      basic data
      alarm threshold (± 10%)0.25 … 5 in / s pk4.5 … 90 mm / s RMS"[1]
      frequency range (± 3 dB)420 … 60,000 cpm7 … 1,000 Hz
      hysteresis (relative to the alarm threshold)3, 6, or 10%[1]
      enviroNment vibration level (below is interpreted as downtime)absolute or relative to the threshold[1]
      EnviroNment vibration level (relative to the alarm threshold)1 … 40%[1]
      MAVT-process (simply setting the alarm threshold to twice the current vibration amplitude) Can be optionally activated[1]
      transverse acceleration sensitivity< 3%
      switch-on delay (prevents tripping directly After applying the supply voltage) (± 1 s)3 or 20 s[1]
      start delay (prevents tripping during the start-up process) (± 1 s or ±1 min)1 … 60s oder 1 … 30 min[1]
      start delay: boost the threshold2 x, 4 x, 8 x or release completely prevented[1]
      Activation of the start-up delayoptional[1]
      shutter lag (immediate activation in case of momentary excess of the alarm threshold prevents) (± 1 s)1 … 60 s[1]
      Relay typesingle pole MOSFET single switch
      load of the relay24 … 240V AC/DC, 500 mA
      Relay latchingoptional[1]
      relay contactN.o./N.c.[1]
      usage conditions
      Temperature range (operation)-40 … 185 ° F-40 … 85 ° C
      Temperature range (storage)-40 … 257 ° F-40 … 125 ° C
      Overload limit (shock)5,000 g pk 49,050 m/s² pk
      Humidity (condensing)0 … 100%
      specifications
      power supply24 … 240 V DC/AC, 50/60 Hz
      500 mAcurrent-carrying capacity (relay contact closed)
      leakage current (relay contact open)1 mA
      Electrical insulation (housing)≥ 100 MΩ
      physical properties
      size - hex1.25 in
      Gr öße - height2.6 in66 mm
      dimensions5.2 oz148 grams
      Assembly torque3 … 5 ft-lb4 … 7 Nm
      Mounting thread1/4 "-28 threaded
      integrated sensor elementpiezoelectric acceleration sensor"
      Housing materialstainless steel
      sealingGrouting
      wiring Integrated armoured cabler mounting bolts with M6 threads-1
      PCB-(M)686B61

      Specific References

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      686B61_drawing.PDF

      Technical drawing

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      686B61_manual.PDF

      Operating instructions

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      686B61_specs.PDF

      Technical data sheet

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