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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

1 - 12 of 288 Part Numbers
A75.A.1.1.X.X.X.A.X.Z1.X/
A75.A.1.1.X.X.X.A.X.Z1.X/
  • Operating Voltage - 120 Vac
  • Probe Type - Category 2 Probe
  • Category 2 - 316SS Probe / 4” *Delrin® Lower Bushing
  • Porbe Category - 1/2” NPT – 3/8” OD Rod
  • Process Connection Type - None
  • Process Connection Material - None
  • Process Connection Size/Rating - None
  • Housing Type - Aluminum (STD) 1” FNPT Cable Connection
  • Tag - None
  • Bushing - Delrin® Extended Lower Bushing
  • Cable Connection - None
  • Drawings - None
  • Certificate - None
A75.A.1.2.X.X.X.A.X.Z1.X/
A75.A.1.2.X.X.X.A.X.Z1.X/
  • Operating Voltage - 120 Vac
  • Probe Type - Category 1 Probe
  • Category 1 - 316SS Probe / 4” *Delrin® Lower Bushing
  • Porbe Category - 3/4” NPT – 1/2” OD Rod
  • Process Connection Type - None
  • Process Connection Material - None
  • Process Connection Size/Rating - None
  • Housing Type - Aluminum (STD) 1” FNPT Cable Connection
  • Tag - None
  • Bushing - Delrin® Extended Lower Bushing
  • Cable Connection - None
  • Drawings - None
  • Certificate - None
A75.A.1A.1.X.X.X.A.X.Z1.X/
A75.A.1A.1.X.X.X.A.X.Z1.X/
  • Operating Voltage - 120 Vac
  • Probe Type - Category 2 Probe
  • Category 2 - 316SS Probe / 4” *Delrin® Lower Bushing
  • Operating Temperature - -40° to 185° F / -40° to 85° C
  • Porbe Category - 1/2” NPT – 3/8” OD Rod
  • Process Connection Type - None
  • Process Connection Material - None
  • Process Connection Size/Rating - None
  • Housing Type - Aluminum (STD) 1” FNPT Cable Connection
  • Tag - None
  • Bushing - Delrin® Extended Lower Bushing
  • Cable Connection - None
  • Drawings - None
  • Certificate - None
A75.A.1A.2.X.X.X.A.X.Z1.X/
A75.A.1A.2.X.X.X.A.X.Z1.X/
  • Operating Voltage - 120 Vac
  • Probe Type - Category 2 Probe
  • Category 2 - 316SS Probe / 4” *Delrin® Lower Bushing
  • Operating Pressure - 1,500 psi @ 77° F / 103 bar @ 25° C
  • Porbe Category - 3/4” NPT – 1/2” OD Rod
  • Process Connection Type - None
  • Process Connection Material - None
  • Process Connection Size/Rating - None
  • Housing Type - Aluminum (STD) 1” FNPT Cable Connection
  • Tag - None
  • Bushing - Delrin® Extended Lower Bushing
  • Cable Connection - None
  • Drawings - None
  • Certificate - None
A75.A.1AA.1.X.X.X.A.X.Z1.X/
A75.A.1AA.1.X.X.X.A.X.Z1.X/
  • Operating Voltage - 120 Vac
  • Probe Type - Category 2 Probe
  • Category 2 - 316SS Probe / 4” *Delrin® Lower Bushing
  • Operating Temperature - -40° to 185° F / -40° to 85° C
  • Operating Pressure - 1,500 psi @ 77° F / 103 bar @ 25° C
  • Porbe Category - 1/2” NPT – 3/8” OD Rod
  • Process Connection Type - None
  • Process Connection Material - None
  • Process Connection Size/Rating - None
  • Housing Type - Aluminum (STD) 1” FNPT Cable Connection
  • Tag - None
  • Bushing - Delrin® Extended Lower Bushing
  • Cable Connection - None
  • Drawings - None
  • Certificate - None
A75.A.1AA.2.X.X.X.A.X.Z1.X/
A75.A.1AA.2.X.X.X.A.X.Z1.X/
  • Operating Voltage - 120 Vac
  • Probe Type - Category 1 Probe
  • Category 1 - 316SS Probe / 4” *Delrin® Lower Bushing
  • Operating Temperature - -40° to 185° F / -40° to 85° C
  • Operating Pressure - 1,500 psi @ 77° F / 103 bar @ 25° C
  • Porbe Category - 3/4” NPT – 1/2” OD Rod
  • Process Connection Type - None
  • Process Connection Material - None
  • Process Connection Size/Rating - None
  • Housing Type - Aluminum (STD) 1” FNPT Cable Connection
  • Tag - None
  • Bushing - Delrin® Extended Lower Bushing
  • Cable Connection - None
  • Drawings - None
  • Certificate - None
A75.A.2.1.X.X.X.A.X..X/
A75.A.2.1.X.X.X.A.X..X/
  • Operating Voltage - 120 Vac
  • Probe Type - Category 2 Probe
  • Category 2 - 316SS Probe / 4” *Teflon® Lower Bushing
  • Porbe Category - 1/2” NPT – 3/8” OD Rod
  • Process Connection Type - None
  • Process Connection Material - None
  • Process Connection Size/Rating - None
  • Housing Type - Aluminum (STD) 1” FNPT Cable Connection
  • Tag - None
  • Cable Connection - None
  • Drawings - None
  • Certificate - None
A75.A.2.2.X.X.X.A.X..X/
A75.A.2.2.X.X.X.A.X..X/
  • Operating Voltage - 120 Vac
  • Probe Type - Category 1 Probe
  • Category 1 - 316SS Probe / 4” *Teflon® Lower Bushing
  • Porbe Category - 3/4” NPT – 1/2” OD Rod
  • Process Connection Type - None
  • Process Connection Material - None
  • Process Connection Size/Rating - None
  • Housing Type - Aluminum (STD) 1” FNPT Cable Connection
  • Tag - None
  • Cable Connection - None
  • Drawings - None
  • Certificate - None
A75.A.2A.1.X.X.X.A.X..X/
A75.A.2A.1.X.X.X.A.X..X/
  • Operating Voltage - 120 Vac
  • Probe Type - Category 1 Probe
  • Category 1 - 316SS Probe / 4” *Teflon® Lower Bushing
  • Operating Pressure - 1,500 psi @ 77° F / 103 bar @ 25° C
  • Porbe Category - 1/2” NPT – 3/8” OD Rod
  • Process Connection Type - None
  • Process Connection Material - None
  • Process Connection Size/Rating - None
  • Housing Type - Aluminum (STD) 1” FNPT Cable Connection
  • Tag - None
  • Cable Connection - None
  • Drawings - None
  • Certificate - None
A75.A.2A.2.X.X.X.A.X..X/
A75.A.2A.2.X.X.X.A.X..X/
  • Operating Voltage - 120 Vac
  • Probe Type - Category 2 Probe
  • Category 2 - 316SS Probe / 4” *Teflon® Lower Bushing
  • Operating Pressure - 1,500 psi @ 77° F / 103 bar @ 25° C
  • Porbe Category - 3/4” NPT – 1/2” OD Rod
  • Process Connection Type - None
  • Process Connection Material - None
  • Process Connection Size/Rating - None
  • Housing Type - Aluminum (STD) 1” FNPT Cable Connection
  • Tag - None
  • Cable Connection - None
  • Drawings - None
  • Certificate - None
A75.A.2C.1.X.X.X.A.X..X/
A75.A.2C.1.X.X.X.A.X..X/
  • Operating Voltage - 120 Vac
  • Probe Type - Category 2 Probe
  • Category 2 - 316SS Probe / 4” *Teflon® Lower Bushing
  • Operating Temperature - -40° to 450° F / -40° to 230° C
  • Porbe Category - 1/2” NPT – 3/8” OD Rod
  • Process Connection Type - None
  • Process Connection Material - None
  • Process Connection Size/Rating - None
  • Housing Type - Aluminum (STD) 1” FNPT Cable Connection
  • Tag - None
  • Cable Connection - None
  • Drawings - None
  • Certificate - None
A75.A.2C.2.X.X.X.A.X..X/
A75.A.2C.2.X.X.X.A.X..X/
  • Operating Voltage - 120 Vac
  • Probe Type - Category 1 Probe
  • Category 1 - 316SS Probe / 4” *Teflon® Lower Bushing
  • Operating Temperature - -40° to 450° F / -40° to 230° C
  • Porbe Category - 3/4” NPT – 1/2” OD Rod
  • Process Connection Type - None
  • Process Connection Material - None
  • Process Connection Size/Rating - None
  • Housing Type - Aluminum (STD) 1” FNPT Cable Connection
  • Tag - None
  • Cable Connection - None
  • Drawings - None
  • Certificate - None
1 - 12 of 288 Part Numbers

Specifications

Brand

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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