Rotary paddle point level switch

Simple mechanical mechanism, extremely robust and cost-effective point level switch for bulk solids

• Measuring principle

  Paddle

• Characteristic / Application

  universally applicable as a full, empty and demand alarm on silos containing solids

• Specialities

  Rotation Monitoring System
  Fold-away paddle

• Supply / Communication

  230 VAC 50/60 Hz
  115 VAC 50/60 Hz
  24 VAC 50/60 Hz
  20 bis 28 VDC

• Ambient temperature

  -20 °C ... 60 °C (-4 °F ... 140 °F)

• Process temperature

  -20 °C ... 80 °C (-4 °F ... 170 °F)

• Process pressure / max. overpressure limit

  0.5 bar to 1.5 bar (7 psi ... 22 psi)

• Min. density of medium

  >= 80 g/l

• Main wetted parts

  1.4305

• Max. tensile strength

  Rope version >1500N

• Process connection

  NPT 1 1/2", PBT
  NPT 1 1/4", PBT
  G 1 1/2", PBT
  NPT 1 1/2", 1.4305
  NPT 1 1/4", 1.4305
  G 1 1/2", 1.4305

• Sensor length

  75 mm (3")
  100 mm (4")
  120 mm (4 3/4")
  200 mm (8")
  300 mm (12")
  Rope length of approx 2000 mm (80"), can be shortened

• Communication

  Micro switch with changeover contact max. 10 A/250 VAC

• Certificates / Approvals

  ATEX II1/2D Ex ta/tb IIIC Da/Db
  CSA DIP/ II, III/1/E-G
  FM DIP/ II, III/1/E-G
  EAC Ex ta/tb IIIC Da/Db
  IECEx Ex ta/tb IIIC Da/Db
  NEPSI Ex tD A20/A21
  UK II1/2D Ex ta/tb IIIC Da/Db
  INMETRO Ex ta/tb IIIC Da/Db

• Options

  Rotation Monitoring System
  Signal Lamp
  Fold-away paddle
  Weather protection cover

• Components

  HAW569 Surge arrester