Allen-Bradley / Rockwell Automation Datasheets for Liquid Level Sensors

Liquid level sensors are used to detect liquid levels or interfaces between liquids such as oil and water or liquids and solids. 
Liquid Level Sensors: Learn more

Product Name Notes
OPERATOR,FLOAT SW FOR FLOAT SWITCH -- 840-6A47 840 Automatic Float Switch Float Operator Assembly, Double Arm Lever, Base-Mounted, Style A - Industrial Switch, Low Operating Force, Convertable for Tank or Sump Operation, Type 7 & 9 enclosure...
OPERATOR, FLOAT SW FOR FLOAT SWITCH -- 840-6A1 840 Automatic Float Switch Float Operator Assembly, Double Arm Lever, Base-Mounted, Style A - Industrial Switch, Low Operating Force, Convertable for Tank or Sump Operation,
OPERATOR,FLOAT SW FOR FLOAT SWITCH -- 840-6BCE 840 Automatic Float Switch Float Operator Assembly, Double Arm Lever, Base-Mounted, Style B - Heavy Duty Industrial Switch, Convertable for Tank or Sump Operation, Type 1 enclosure
OPERATOR,FLOAT SW FOR FLOAT SWITCH -- 840-6BC47 840 Automatic Float Switch Float Operator Assembly, Double Arm Lever, Base-Mounted, Style B - Heavy Duty Industrial Switch, Convertable for Tank or Sump Operation, Type 4 Fiberglass Polyester enclosure
OPERATOR,FLOAT SW FOR FLOAT SWITCH -- 840-6BCE47 840 Automatic Float Switch Float Operator Assembly, Double Arm Lever, Base-Mounted, Style B - Heavy Duty Industrial Switch, Convertable for Tank or Sump Operation, Type 7 & 9 enclosure
OPERATOR FLOAT SW FOR FLOAT SWITCH -- 840-4A1
OPERATOR,FLOAT SW FOR FLOAT SWITCH -- 840-4A4
OPERATOR,FLOAT SW FOR FLOAT SWITCH -- 840-4A47
840 Automatic Float Switch Float Operator Assembly, Double Arm Lever, Double Pulley or Single-Sheave Wheel, Base-Mounted, Style A - Industrial Switch, Low Operating Force, Convertable for Tank or Sump Operation,...
OPERATOR,FLOAT SW FOR FLOAT SWITCH -- 840-4B4
OPERATOR,FLOAT SWTICH FOR FLOAT SWITCH -- 840-4BC47
840 Automatic Float Switch Float Operator Assembly, Double Arm Lever, Double Pulley or Single-Sheave Wheel, Base-Mounted, Style B - Heavy Duty Industrial Switch, Convertable for Tank or Sump Operation, Type...
OPERATOR,FLOAT SW FOR FLOAT SWITCH -- 840-5A1
OPERATOR,FLOAT SW FOR FLOAT SWITCH -- 840-5A4
OPERATOR,FLOAT SW FOR FLOAT SWITCH -- 840-5A47
840 Automatic Float Switch Float Operator Assembly, Double Arm Lever, Double Pulley or Single-Sheave Wheel, Floor-Mounted, Style A - Industrial Switch, Low Operating Force, Convertable for Tank or Sump Operation,...
OPERATOR,FLOAT SW FOR FLOAT SWITCH -- 840-5B47
OPERATOR,FLOAT SW FOR FLOAT SWITCH -- 840-5BC1
OPERATOR,FLOAT SWTICH FOR FLOAT SWITCH -- 840-5B4
840 Automatic Float Switch Float Operator Assembly, Double Arm Lever, Double Pulley or Single-Sheave Wheel, Floor-Mounted, Style B - Heavy Duty Industrial Switch, Convertable for Tank or Sump Operation, Type...
OPERATOR,FLOAT SW FOR FLOAT SWITCH -- 840-7A47 840 Automatic Float Switch Float Operator Assembly, Double Arm Lever, Floor-Mounted, Style A - Industrial Switch, Low Operating Force, Convertable for Tank or Sump Operation, Type 7 & 9 enclosure...
OPERATOR,FLOAT SW FOR FLOAT SWITCH -- 840-7A1 840 Automatic Float Switch Float Operator Assembly, Double Arm Lever, Floor-Mounted, Style A - Industrial Switch, Low Operating Force, Convertable for Tank or Sump Operation,
OPERATOR,FLOAT SW FOR FLOAT SWITCH -- 840-7B47 840 Automatic Float Switch Float Operator Assembly, Double Arm Lever, Floor-Mounted, Style B - Heavy Duty Industrial Switch, Convertable for Tank or Sump Operation, Type 7 & 9 enclosure
OPERATOR,FLOAT SW FOR FLOAT SWITCH -- 840-7BC1 840 Automatic Float Switch Float Operator Assembly, Double Arm Lever, Floor-Mounted, Style B - Heavy Duty Industrial Switch, Convertable for Tank or Sump Operation,
OPERATOR,FLOAT SW FOR FLOAT SWITCH -- 840-8A1 840 Automatic Float Switch Float Operator Assembly, Double Parallel Arms, Base-Mounted, Style A - Industrial Switch, Low Operating Force, Convertable for Tank or Sump Operation, Type 1 enclosure
OPERATOR,FLOAT SW FOR FLOAT SWITCH -- 840-8A4 840 Automatic Float Switch Float Operator Assembly, Double Parallel Arms, Base-Mounted, Style A - Industrial Switch, Low Operating Force, Convertable for Tank or Sump Operation, Type 4 Fiberglass Polyester enclosure...
OPERATOR,FLOAT SW FOR FLOAT SWITCH -- 840-8A47 840 Automatic Float Switch Float Operator Assembly, Double Parallel Arms, Base-Mounted, Style A - Industrial Switch, Low Operating Force, Convertable for Tank or Sump Operation, Type 7 & 9 enclosure...
OPERATOR,FLOAT SW FOR FLOAT SWITCH -- 840-8B1 840 Automatic Float Switch Float Operator Assembly, Double Parallel Arms, Base-Mounted, Style B - Heavy Duty Industrial Switch, Convertable for Tank or Sump Operation, Type 1 enclosure
OPERATOR,FLOAT SW FOR FLOAT SWITCH -- 840-8B4 840 Automatic Float Switch Float Operator Assembly, Double Parallel Arms, Base-Mounted, Style B - Heavy Duty Industrial Switch, Convertable for Tank or Sump Operation, Type 4 Fiberglass Polyester enclosure
OPERATOR,FLOAT SW FOR FLOAT SWITCH -- 840-8B47 840 Automatic Float Switch Float Operator Assembly, Double Parallel Arms, Base-Mounted, Style B - Heavy Duty Industrial Switch, Convertable for Tank or Sump Operation, Type 7 & 9 enclosure
OPERATOR,FLOAT SW FOR FLOAT SWITCH -- 840-9A1 840 Automatic Float Switch Float Operator Assembly, Double Parallel Arms, Floor-Mounted, Style A - Industrial Switch, Low Operating Force, Convertable for Tank or Sump Operation, Type 1 enclosure
OPERATOR,FLOAT SW FOR FLOAT SWITCH -- 840-9A4 840 Automatic Float Switch Float Operator Assembly, Double Parallel Arms, Floor-Mounted, Style A - Industrial Switch, Low Operating Force, Convertable for Tank or Sump Operation, Type 4 Fiberglass Polyester enclosure...
OPERATOR,FLOAT SW FOR FLOAT SWITCH -- 840-9A47 840 Automatic Float Switch Float Operator Assembly, Double Parallel Arms, Floor-Mounted, Style A - Industrial Switch, Low Operating Force, Convertable for Tank or Sump Operation, Type 7 & 9 enclosure...
OPERATOR,FLOAT SW FOR FLOAT SWITCH -- 840-9B1 840 Automatic Float Switch Float Operator Assembly, Double Parallel Arms, Floor-Mounted, Style B - Heavy Duty Industrial Switch, Convertable for Tank or Sump Operation, Type 1 enclosure
OPERATOR,FLOAT SW FOR FLOAT SWITCH -- 840-9B4 840 Automatic Float Switch Float Operator Assembly, Double Parallel Arms, Floor-Mounted, Style B - Heavy Duty Industrial Switch, Convertable for Tank or Sump Operation, Type 4 Fiberglass Polyester enclosure
OPERATOR,FLOAT SW FOR FLOAT SWITCH -- 840-9B47 840 Automatic Float Switch Float Operator Assembly, Double Parallel Arms, Floor-Mounted, Style B - Heavy Duty Industrial Switch, Convertable for Tank or Sump Operation, Type 7 & 9 enclosure
Electro-Mechanical 840 Float Switch -- 840-1AD 840 Automatic Float Switch Float Operator Assembly, Single Arm Lever, Base-Mounted, ,
OPERATOR,FLOAT SW FOR FLOAT SWITCH -- 840-1BCE 840 Automatic Float Switch Float Operator Assembly, Single Arm Lever, Base-Mounted, Style B - Heavy Duty Industrial Switch, Convertable for Tank or Sump Operation,
OPERATOR,FLOAT SW FOR FLOAT SWITCH -- 840-2A1 840 Automatic Float Switch Float Operator Assembly, Single Arm Lever, Floor-Mounted, Style A - Industrial Switch, Low Operating Force, Convertable for Tank or Sump Operation, Type 1 enclosure
OPERATOR,FLOAT SW FOR FLOAT SWITCH -- 840-2A47 840 Automatic Float Switch Float Operator Assembly, Single Arm Lever, Floor-Mounted, Style A - Industrial Switch, Low Operating Force, Convertable for Tank or Sump Operation,
OPERATOR,FLOAT SW FOR FLOAT SWITCH -- 840-2BC1 840 Automatic Float Switch Float Operator Assembly, Single Arm Lever, Floor-Mounted, Style B - Heavy Duty Industrial Switch, Convertable for Tank or Sump Operation, Type 1 enclosure
OPERATOR,FLOAT SW FOR FLOAT SWITCH -- 840-2B47 840 Automatic Float Switch Float Operator Assembly, Single Arm Lever, Floor-Mounted, Style B - Heavy Duty Industrial Switch, Convertable for Tank or Sump Operation,
OPERATOR,FLOAT SW FOR FLOAT SWITCH -- 840-3AD 840 Automatic Float Switch Float Operator Assembly, Single Arm Lever, Separate Pulleys, Base-Mounted, ,
OPERATOR,FLOAT SW FOR FLOAT SWITCH -- 840-3BCE 840 Automatic Float Switch Float Operator Assembly, Single Arm Lever, Separate Pulleys, Base-Mounted, Style B - Heavy Duty Industrial Switch, Convertable for Tank or Sump Operation,
SWITCH,AUTOMATIC FLOAT 600V AC MAX 10 A -- 840-A11 840 Automatic Float Switch, Style A - Industrial Switch, Low Operating Force, Convertable for Tank or Sump Operation, Type 1 enclosure, 2 N.O. contacts
Electro-Mechanical 840 Float Switch -- 840-A1 840 Automatic Float Switch, Style A - Industrial Switch, Low Operating Force, Convertable for Tank or Sump Operation, Type 1 enclosure, Standard contacts
SWITCH,AUTOMATIC FLOAT 600V AC MAX 10 A -- 840-A42 840 Automatic Float Switch, Style A - Industrial Switch, Low Operating Force, Convertable for Tank or Sump Operation, Type 4 Fiberglass Polyester enclosure, 2 N.C. contacts
Electro-Mechanical 840 Float Switch -- 840-A41 840 Automatic Float Switch, Style A - Industrial Switch, Low Operating Force, Convertable for Tank or Sump Operation, Type 4 Fiberglass Polyester enclosure, 2 N.O. contacts
Electro-Mechanical 840 Float Switch -- 840-A4 840 Automatic Float Switch, Style A - Industrial Switch, Low Operating Force, Convertable for Tank or Sump Operation, Type 4 Fiberglass Polyester enclosure, Standard contacts
SWITCH,AUTOMATIC FLOAT 600V AC MAX 10 A -- 840-A71 840 Automatic Float Switch, Style A - Industrial Switch, Low Operating Force, Convertable for Tank or Sump Operation, Type 7 & 9 enclosure, 2 N.O. contacts
Electro-Mechanical 840 Float Switch -- 840-A7 840 Automatic Float Switch, Style A - Industrial Switch, Low Operating Force, Convertable for Tank or Sump Operation, Type 7 & 9 enclosure, Standard contacts
SWITCH,AUTOMATIC FLOAT 600V AC MAX 10 A -- 840-B1 840 Automatic Float Switch, Style B - Heavy Duty Industrial Switch, Convertable for Tank or Sump Operation, Type 1 enclosure, Standard contacts
Electro-Mechanical 840 Float Switch -- 840-B4 840 Automatic Float Switch, Style B - Heavy Duty Industrial Switch, Convertable for Tank or Sump Operation, Type 4 Fiberglass Polyester enclosure, Standard contacts
SWITCH,AUTOMATIC FLOAT 600V AC MAX 10 A -- 840-B7 840 Automatic Float Switch, Style B - Heavy Duty Industrial Switch, Convertable for Tank or Sump Operation, Type 7 & 9 enclosure, Standard contacts
SWITCH,AUTOMATIC FLOAT 600V AC MAX 10 A -- 840-D1 840 Automatic Float Switch, Style D - General Purpose Switch, Low Operating Force, Tank Operation Only, Type 1 enclosure, Standard contacts
Electro-Mechanical 840 Float Switch -- 840-DS1 840 Automatic Float Switch, Style DS - General Purpose Switch, Low Operating Force, Sump Operation Only, Type 1 enclosure, Standard contacts