A75 RF Capacitance Level Switch

Brand: ABB Group

The A75 RF level switch is used in dry bulk and liquid applications and special applications, such as, high temperature, corrosive environments, high pressure and special probe materials.
Features
  • Low Cost
  • Totally Potted Electronics
  • Built-In Static Protection
  • Vibration Resistant
  • DPDT Relay
  • Ambient Temperatures Up to 185° F (85° C)
  • NEMA 4 Enclosure
  • 5, 10 or 15 Second Time Delay
  • Options:
    • PTFE or PVC Sheathed Probe or Cable
    • Extended Lower Bushing
    • Flanged Process Connections
    • Epoxy Coated Aluminum Enclosure

Specifications

Housing Material

  • Aluminum

Environmental Protection

  • NEMA 4

Ambient Temperature

  • Electronics: -40° to 185° F (-40° to 85° C)

Power Input

  • Electronic Unit: 95-130 Vac, 50/60 Hz, 2 Watts
  • Power: 9-35 Vdc, 100 mA Max.

Relay Contact Rating

  • Resistive: 5 A, 240 Vac, 5 A, 30 Vdc
  • Inductive: 1/10 HP 125, 250 Vac

Process Connection

  • Category “2” Probe: 3/4” NPT
  • Category “1” Probe: 1/2” NPT

Weight

  • Unit with 10” Probe: 4 lbs

  • Dry Bulk Applications
    • High Level Alarm
    • Low Level Alarm
    • Plugged Chute Detection
    • Fly Ash Hopper Level
    • Pellets
    • Granules
    • Powders
    • Chips
    • Flakes
  • Liquid Applications
    • High Level Alarm
    • Low Level Alarm
    • Interface
    • Slurries
    • Flow / No Flow
    • Liquid / Foam Interface
    • Foams
    • Conductive Products
    • Non-Conductive Products
    • Organic
    • Inorganic
  • Special Applications
    • High Temperature
    • Corrosive Environments
    • High Pressure
    • Special Probe Materials
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