3-Colour Display Electromagnetic Digital Flow Switch, LFE Series

[Features]
· Space-saving is possible by close installation.
· Backflow detection is possible.
· Zero reset setting is possible.
· Repeatability: ±1.5%F.S., (analog output).
· 3-color, 2-screen display.
· Flow direction can be changed after installation.

(i)Remark

■ For selection / technical information and characteristics on SMC air cylinder products,
check here.

■ Handling SMC Products
Web pages for products currently without individual pages on this site will be released on an ad-hoc basis.
Click here for a quotation or to make an order if you have a part number.
Refer to the manufacturer's catalog for specification and material details.
Product images may be representative images. Refer to the manufacturer's catalog for shape details.

Part Number

Once your search is narrowed to one product,
the corresponding part number is displayed here.

Products homepage

Data to be displayed: 30; 45; 60

Part Number
LFE1J3
LFE1J3-X8
LFE1J3F
LFE1J3F1
LFE1J3F2
LFE1J3N
LFE1J4
LFE1J4F
LFE1J4F1
LFE1J4F2
LFE1J4F2-X8
LFE1J4F3
LFE1J4N
LFE1J32-X8
LFE1J33
LFE1J41
LFE1J42
LFE1J42-X8
LFE1J43
LFE1K3
LFE1K3-X8
LFE1K3F
LFE1K3F1
LFE1K3F1-X8
LFE1K3F2
LFE1K3N
LFE1K4
LFE1K4-X8
LFE1K4F
LFE1K4F1
LFE1K4F2
LFE1K4F2-X8
LFE1K4N
LFE1K31
LFE1K32
LFE1K43
LFE2J6
LFE2J6F
LFE2J6F1
LFE2J6F2
LFE2J6N
LFE2J6N2
LFE2J61
LFE2K6
LFE2K6F
LFE2K6F1
LFE2K6F2
LFE2K61
LFE2K62
LFE3J8
LFE3J8F
LFE3J8F1
LFE3K8
LFE3K8-X8
LFE3K8F
LFE3K8F1
LFE3K8F2
LFE3K82

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	Flow Rate Range (Max. Value) (L/min)	Sensor/Monitor Configuration	Output Method	Analog Output Specification	Plumbing Thread Type	Nominal Pipe Thread Size	Operating Temperature Range (℃)	No. of Outputs	Analog Voltage Output (V)	Unit Specifications	Bracket	Lead Wire	Custom-made Specifications	Rating Flow Range (L/min)	Analog Current Output (mA)
640.94 €	1	26 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Voltage	[Rc (R)] Rc	[3/8] 3/8	-	1	[1 to 5 V DC] 1 to 5 V	L/min	None	Lead wire with M12 connector (length 3 m)	None	0.5 to 20	None
745.94 €	1	26 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Voltage	[Rc (R)] Rc	[3/8] 3/8	-	1	[1 to 5 V DC] 1 to 5 V	L/min	None	Lead wire with M12 connector (length 3 m)	Piping connection part material: SUS304	0.5 to 20	None
640.94 €	1	26 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Voltage	[G] G	[3/8] 3/8	-	1	[1 to 5 V DC] 1 to 5 V	L/min	None	Lead wire with M12 connector (length 3 m)	None	0.5 to 20	None
621.19 €	1	26 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Voltage	[G] G	[3/8] 3/8	0～50	1	[1 to 5 V DC] 1 to 5 V	L/min	None	None	None	0.5 to 20	None
647.81 €	1	24 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Voltage	[G] G	[3/8] 3/8	-	1	[1 to 5 V DC] 1 to 5 V	L/min	With Bracket	Lead wire with M12 connector (length 3 m)	None	0.5 to 20	None
640.94 €	1	26 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Voltage	[NPT] NPT	[3/8] 3/8	-	1	[1 to 5 V DC] 1 to 5 V	L/min	None	Lead wire with M12 connector (length 3 m)	None	0.5 to 20	None
640.94 €	1	26 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Voltage	[Rc (R)] Rc	[1/2] 1/2	-	1	[1 to 5 V DC] 1 to 5 V	L/min	None	Lead wire with M12 connector (length 3 m)	None	0.5 to 20	None
640.94 €	1	26 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Voltage	[G] G	[1/2] 1/2	-	1	[1 to 5 V DC] 1 to 5 V	L/min	None	Lead wire with M12 connector (length 3 m)	None	0.5 to 20	None
621.19 €	1	26 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Voltage	[G] G	[1/2] 1/2	0～50	1	[1 to 5 V DC] 1 to 5 V	L/min	None	None	None	0.5 to 20	None
647.81 €	1	26 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Voltage	[G] G	[1/2] 1/2	-	1	[1 to 5 V DC] 1 to 5 V	L/min	With Bracket	Lead wire with M12 connector (length 3 m)	None	0.5 to 20	None
752.81 €	1	26 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Voltage	[G] G	[1/2] 1/2	0～50	1	[1 to 5 V DC] 1 to 5 V	L/min	With Bracket	Lead wire with M12 connector (length 3 m)	Piping connection part material: SUS304	0.5 to 20	None
628.06 €	1	26 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Voltage	[G] G	[1/2] 1/2	-	1	[1 to 5 V DC] 1 to 5 V	L/min	With Bracket	None	None	0.5 to 20	None
640.94 €	1	26 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Voltage	[NPT] NPT	[1/2] 1/2	-	1	[1 to 5 V DC] 1 to 5 V	L/min	None	Lead wire with M12 connector (length 3 m)	None	0.5 to 20	None
752.81 €	1	26 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Voltage	[Rc (R)] Rc	[3/8] 3/8	-	1	[1 to 5 V DC] 1 to 5 V	L/min	With Bracket	Lead wire with M12 connector (length 3 m)	Piping connection part material: SUS304	0.5 to 20	None
628.06 €	1	26 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Voltage	[Rc (R)] Rc	[3/8] 3/8	-	1	[1 to 5 V DC] 1 to 5 V	L/min	With Bracket	None	None	0.5 to 20	None
621.19 €	1	26 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Voltage	[Rc (R)] Rc	[1/2] 1/2	-	1	[1 to 5 V DC] 1 to 5 V	L/min	None	None	None	0.5 to 20	None
647.81 €	1	26 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Voltage	[Rc (R)] Rc	[1/2] 1/2	-	1	[1 to 5 V DC] 1 to 5 V	L/min	With Bracket	Lead wire with M12 connector (length 3 m)	None	0.5 to 20	None
752.81 €	1	26 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Voltage	[Rc (R)] Rc	[1/2] 1/2	0～50	1	[1 to 5 V DC] 1 to 5 V	L/min	With Bracket	Lead wire with M12 connector (length 3 m)	Piping connection part material: SUS304	0.5 to 20	None
628.06 €	1	26 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Voltage	[Rc (R)] Rc	[1/2] 1/2	-	1	[1 to 5 V DC] 1 to 5 V	L/min	With Bracket	None	None	0.5 to 20	None
640.94 €	1	26 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Current	[Rc (R)] Rc	[3/8] 3/8	-	1	-	L/min	None	Lead wire with M12 connector (length 3 m)	None	0.5 to 20	4 to 20
745.94 €	1	26 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Current	[Rc (R)] Rc	[3/8] 3/8	-	1	-	L/min	None	Lead wire with M12 connector (length 3 m)	Piping connection part material: SUS304	0.5 to 20	4 to 20
640.94 €	1	26 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Current	[G] G	[3/8] 3/8	-	1	-	L/min	None	Lead wire with M12 connector (length 3 m)	None	0.5 to 20	4 to 20
621.19 €	1	26 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Current	[G] G	[3/8] 3/8	-	1	-	L/min	None	None	None	0.5 to 20	4 to 20
726.19 €	1	26 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Current	[G] G	[3/8] 3/8	0～50	1	-	L/min	None	None	Piping connection part material: SUS304	0.5 to 20	4 to 20
647.81 €	1	26 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Current	[G] G	[3/8] 3/8	-	1	-	L/min	With Bracket	Lead wire with M12 connector (length 3 m)	None	0.5 to 20	4 to 20
640.94 €	1	26 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Current	[NPT] NPT	[3/8] 3/8	-	1	-	L/min	None	Lead wire with M12 connector (length 3 m)	None	0.5 to 20	4 to 20
640.94 €	1	26 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Current	[Rc (R)] Rc	[1/2] 1/2	-	1	-	L/min	None	Lead wire with M12 connector (length 3 m)	None	0.5 to 20	4 to 20
745.94 €	1	26 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Current	[Rc (R)] Rc	[1/2] 1/2	0～50	1	-	L/min	None	Lead wire with M12 connector (length 3 m)	Piping connection part material: SUS304	0.5 to 20	4 to 20
640.94 €	1	26 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Current	[G] G	[1/2] 1/2	-	1	-	L/min	None	Lead wire with M12 connector (length 3 m)	None	0.5 to 20	4 to 20
621.19 €	1	26 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Current	[G] G	[1/2] 1/2	-	1	-	L/min	None	None	None	0.5 to 20	4 to 20
647.81 €	1	26 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Current	[G] G	[1/2] 1/2	-	1	-	L/min	With Bracket	Lead wire with M12 connector (length 3 m)	None	0.5 to 20	4 to 20
752.81 €	1	26 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Current	[G] G	[1/2] 1/2	0～50	1	-	L/min	With Bracket	Lead wire with M12 connector (length 3 m)	Piping connection part material: SUS304	0.5 to 20	4 to 20
640.94 €	1	26 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Current	[NPT] NPT	[1/2] 1/2	-	1	-	L/min	None	Lead wire with M12 connector (length 3 m)	None	0.5 to 20	4 to 20
621.19 €	1	26 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Current	[Rc (R)] Rc	[3/8] 3/8	-	1	-	L/min	None	None	None	0.5 to 20	4 to 20
647.81 €	1	26 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Current	[Rc (R)] Rc	[3/8] 3/8	-	1	-	L/min	With Bracket	Lead wire with M12 connector (length 3 m)	None	0.5 to 20	4 to 20
628.06 €	1	26 Days	10～Less than 50	[Separate Type, Connector Joint] Separated sensor	Analog	Current	[Rc (R)] Rc	[1/2] 1/2	-	1	-	L/min	With Bracket	None	None	0.5 to 20	4 to 20
682.11 €	1	26 Days	100～Less than 500	[Separate Type, Connector Joint] Separated sensor	Analog	Voltage	[Rc (R)] Rc	[3/4] 3/4	-	1	[1 to 5 V DC] 1 to 5 V	L/min	None	Lead wire with M12 connector (length 3 m)	None	2.5 to 100	None
682.11 €	1	26 Days	100～Less than 500	[Separate Type, Connector Joint] Separated sensor	Analog	Voltage	[G] G	[3/4] 3/4	-	1	[1 to 5 V DC] 1 to 5 V	L/min	None	Lead wire with M12 connector (length 3 m)	None	2.5 to 100	None
662.39 €	1	26 Days	100～Less than 500	[Separate Type, Connector Joint] Separated sensor	Analog	Voltage	[G] G	[3/4] 3/4	0～50	1	[1 to 5 V DC] 1 to 5 V	L/min	None	None	None	2.5 to 100	None
688.98 €	1	26 Days	100～Less than 500	[Separate Type, Connector Joint] Separated sensor	Analog	Voltage	[G] G	[3/4] 3/4	-	1	[1 to 5 V DC] 1 to 5 V	L/min	With Bracket	Lead wire with M12 connector (length 3 m)	None	2.5 to 100	None
682.11 €	1	26 Days	100～Less than 500	[Separate Type, Connector Joint] Separated sensor	Analog	Voltage	[NPT] NPT	[3/4] 3/4	-	1	[1 to 5 V DC] 1 to 5 V	L/min	None	Lead wire with M12 connector (length 3 m)	None	2.5 to 100	None
688.98 €	1	26 Days	100～Less than 500	[Separate Type, Connector Joint] Separated sensor	Analog	Voltage	[NPT] NPT	[3/4] 3/4	-	1	[1 to 5 V DC] 1 to 5 V	L/min	With Bracket	Lead wire with M12 connector (length 3 m)	None	2.5 to 100	None
662.39 €	1	26 Days	100～Less than 500	[Separate Type, Connector Joint] Separated sensor	Analog	Voltage	[Rc (R)] Rc	[3/4] 3/4	-	1	[1 to 5 V DC] 1 to 5 V	L/min	None	None	None	2.5 to 100	None
682.11 €	1	26 Days	100～Less than 500	[Separate Type, Connector Joint] Separated sensor	Analog	Current	[Rc (R)] Rc	[3/4] 3/4	-	1	-	L/min	None	Lead wire with M12 connector (length 3 m)	None	2.5 to 100	4 to 20
682.10 €	1	26 Days	100～Less than 500	[Separate Type, Connector Joint] Separated sensor	Analog	Current	[G] G	[3/4] 3/4	-	1	-	L/min	None	Lead wire with M12 connector (length 3 m)	None	2.5 to 100	4 to 20
662.39 €	1	26 Days	100～Less than 500	[Separate Type, Connector Joint] Separated sensor	Analog	Current	[G] G	[3/4] 3/4	-	1	-	L/min	None	None	None	2.5 to 100	4 to 20
688.98 €	1	26 Days	100～Less than 500	[Separate Type, Connector Joint] Separated sensor	Analog	Current	[G] G	[3/4] 3/4	-	1	-	L/min	With Bracket	Lead wire with M12 connector (length 3 m)	None	2.5 to 100	4 to 20
662.39 €	1	26 Days	100～Less than 500	[Separate Type, Connector Joint] Separated sensor	Analog	Current	[Rc (R)] Rc	[3/4] 3/4	-	1	-	L/min	None	None	None	2.5 to 100	4 to 20
688.98 €	1	26 Days	100～Less than 500	[Separate Type, Connector Joint] Separated sensor	Analog	Current	[Rc (R)] Rc	[3/4] 3/4	-	1	-	L/min	With Bracket	Lead wire with M12 connector (length 3 m)	None	2.5 to 100	4 to 20
815.94 €	1	26 Days	100～Less than 500	[Separate Type, Connector Joint] Separated sensor	Analog	Voltage	[Rc (R)] Rc	[1] 1	-	1	[1 to 5 V DC] 1 to 5 V	L/min	None	Lead wire with M12 connector (length 3 m)	None	5 to 200	None
815.94 €	1	26 Days	100～Less than 500	[Separate Type, Connector Joint] Separated sensor	Analog	Voltage	[G] G	[1] 1	-	1	[1 to 5 V DC] 1 to 5 V	L/min	None	Lead wire with M12 connector (length 3 m)	None	5 to 200	None
796.21 €	1	26 Days	100～Less than 500	[Separate Type, Connector Joint] Separated sensor	Analog	Voltage	[G] G	[1] 1	-	1	[1 to 5 V DC] 1 to 5 V	L/min	None	None	None	5 to 200	None
815.94 €	1	26 Days	100～Less than 500	[Separate Type, Connector Joint] Separated sensor	Analog	Current	[Rc (R)] Rc	[1] 1	-	1	-	L/min	None	Lead wire with M12 connector (length 3 m)	None	5 to 200	4 to 20
965.60 €	1	26 Days	100～Less than 500	[Separate Type, Connector Joint] Separated sensor	Analog	Current	[Rc (R)] Rc	[1] 1	-	1	-	L/min	None	Lead wire with M12 connector (length 3 m)	Piping connection part material: SUS304	5 to 200	4 to 20
815.94 €	1	26 Days	100～Less than 500	[Separate Type, Connector Joint] Separated sensor	Analog	Current	[G] G	[1] 1	-	1	-	L/min	None	Lead wire with M12 connector (length 3 m)	None	5 to 200	4 to 20
796.21 €	1	26 Days	100～Less than 500	[Separate Type, Connector Joint] Separated sensor	Analog	Current	[G] G	[1] 1	-	1	-	L/min	None	None	None	5 to 200	4 to 20
822.81 €	1	26 Days	100～Less than 500	[Separate Type, Connector Joint] Separated sensor	Analog	Current	[G] G	[1] 1	-	1	-	L/min	With Bracket	Lead wire with M12 connector (length 3 m)	None	5 to 200	4 to 20
822.81 €	1	26 Days	100～Less than 500	[Separate Type, Connector Joint] Separated sensor	Analog	Current	[Rc (R)] Rc	[1] 1	-	1	-	L/min	With Bracket	Lead wire with M12 connector (length 3 m)	None	5 to 200	4 to 20

Basic information

Type	Flow Switch	Fluid Type	Water / Coolant	Pipe Port Type	Female Thread
Fluid Characteristics	Noncorrosive	Pressure Resistance(MPa)	2	Flow Rate Type	Standard
Operating Humidity Range(%)	35::85	No. of Inputs	1	Power Supply Type	DC
Power Supply Voltage(V)	24±10%	Pipe Connection Direction	2 Directions	Liquid contact parts material	Resin + Metal
Mounting Hole	NA	Display	Digital	Lamp	Available
Acquired Standards	CE	Protective Structure	IP65

Configure

58Suggestion of an applicable part number.

View Part Numbers

Some specification is not specified yet.

The part number is completed.

Basic Attributes

Flow Rate Range (Max. Value)(L/min)
- 10～Less than 50
- 100～Less than 500
Clear
Output Method
- NPN Open Collector
- PNP Open Collector
- Analog
Clear
Analog Output Specification
- Voltage
- Current
Clear
Plumbing Thread Type
- Rc (R)
  - Rc
- G
  - G
- NPT
  - NPT
Clear
Nominal Pipe Thread Size
- 3/8
  - 3/8
- 1/2
  - 1/2
- 3/4
  - 3/4
- 1
  - 1
Clear
No. of Outputs
- 1
- 2
Clear
Analog Voltage Output(V)
- 1 to 5 V DC
  - 1 to 5 V
Clear
Unit Specifications
L/min

gal/min
Clear
Bracket
None

With Bracket
Clear
Lead Wire
- Lead wire with M12 connector (length 3 m)
- None
Clear
Custom-made Specifications
- Piping connection part material: SUS304
- None
Clear
Rating Flow Range(L/min)
- 0.5 to 20
- 2.5 to 100
- 5 to 200
Clear
Analog Current Output(mA)
- 4 to 20
- None
Clear
Type
- LFE1□
- LFE2□
- LFE3□
Clear
Sensor/Monitor Configuration
- Integrated Type
  - Display Integrated
- Separate Type, Connector Joint
  - Separated sensor
Clear
Filter by CAD data type
- 2D
- 3D
Clear