• SMC IF3 Paddle Flow Switch (Liquid, 3/4B to 6B Piping)
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SMC IF3 Paddle Flow Switch (Liquid, 3/4B to 6B Piping)

SMC IF3 Paddle Flow Switch (Liquid, 3/4B to 6B Piping)

SMC IF3 series paddle-type flow switch used as a general-purpose flow-loss relay for detecting liquid flow in air conditioning and water treatment equipment.

Key features

  • Fits 3/4B to 6B piping via JIS tee; paddle sets for each pipe size (3102-13-22A, 3102-13-2A, 3102-13-12A)
  • Three enclosure types: open, drip/rain proof (IP42 equiv.) and splash/jet proof (IP44 equiv.)
  • Wetted metal brass or SUS304; seal NBR or FPM
  • Micro switch 1ab contact; ON flow adjustable with the setting screw
  • NPT thread (N) and CE/UKCA version (Q) available

Specifications

Fluid Water and non-corrosive liquids (SUS304: liquids not corrosive to SUS304)
Max. operating pressure 1.0 MPa
Proof pressure 1.75 MPa
Insulation resistance 100 MOhm or more (500 VDC)
Withstand voltage 1500 VAC for 1 min
Contact 1ab
Port size R3/4 (IF3_0), R1 (IF3_1, IF3_3)
Liquid temperature Up to 100°C (ambient derated, see catalog)
Source SMC Korea catalog Flow Switch (IF3) (SMCKR_IF3.pdf), PDF p. 1-4
IF300-06-00 Enclosure: Open type | ON flow setting: 14 to 60 L/min | Port: R3/4 | Wetted metal: Brass | Seal: NBR
IF300-06-01 Enclosure: Open type | ON flow setting: 14 to 60 L/min | Port: R3/4 | Wetted metal: Brass | Seal: FPM
IF300-06-10 Enclosure: Open type | ON flow setting: 14 to 60 L/min | Port: R3/4 | Wetted metal: SUS304 | Seal: NBR
IF300-06-11 Enclosure: Open type | ON flow setting: 14 to 60 L/min | Port: R3/4 | Wetted metal: SUS304 | Seal: FPM
IF301-10-00 Enclosure: Open type | ON flow setting: 20 to 1500 L/min | Port: R1 | Wetted metal: Brass | Seal: NBR
IF301-10-01 Enclosure: Open type | ON flow setting: 20 to 1500 L/min | Port: R1 | Wetted metal: Brass | Seal: FPM
IF301-10-10 Enclosure: Open type | ON flow setting: 20 to 1500 L/min | Port: R1 | Wetted metal: SUS304 | Seal: NBR
IF301-10-11 Enclosure: Open type | ON flow setting: 20 to 1500 L/min | Port: R1 | Wetted metal: SUS304 | Seal: FPM
IF303-10-00 Enclosure: Open type | ON flow setting: 36 to 2600 L/min | Port: R1 | Wetted metal: Brass | Seal: NBR
IF303-10-01 Enclosure: Open type | ON flow setting: 36 to 2600 L/min | Port: R1 | Wetted metal: Brass | Seal: FPM
IF303-10-10 Enclosure: Open type | ON flow setting: 36 to 2600 L/min | Port: R1 | Wetted metal: SUS304 | Seal: NBR
IF303-10-11 Enclosure: Open type | ON flow setting: 36 to 2600 L/min | Port: R1 | Wetted metal: SUS304 | Seal: FPM
IF310-06-00 Enclosure: Drip/rain proof (IP42 equiv.) | ON flow setting: 14 to 60 L/min | Port: R3/4 | Wetted metal: Brass | Seal: NBR
IF310-06-01 Enclosure: Drip/rain proof (IP42 equiv.) | ON flow setting: 14 to 60 L/min | Port: R3/4 | Wetted metal: Brass | Seal: FPM
IF310-06-10 Enclosure: Drip/rain proof (IP42 equiv.) | ON flow setting: 14 to 60 L/min | Port: R3/4 | Wetted metal: SUS304 | Seal: NBR
IF310-06-11 Enclosure: Drip/rain proof (IP42 equiv.) | ON flow setting: 14 to 60 L/min | Port: R3/4 | Wetted metal: SUS304 | Seal: FPM
IF311-10-00 Enclosure: Drip/rain proof (IP42 equiv.) | ON flow setting: 20 to 1500 L/min | Port: R1 | Wetted metal: Brass | Seal: NBR
IF311-10-01 Enclosure: Drip/rain proof (IP42 equiv.) | ON flow setting: 20 to 1500 L/min | Port: R1 | Wetted metal: Brass | Seal: FPM
IF311-10-10 Enclosure: Drip/rain proof (IP42 equiv.) | ON flow setting: 20 to 1500 L/min | Port: R1 | Wetted metal: SUS304 | Seal: NBR
IF311-10-11 Enclosure: Drip/rain proof (IP42 equiv.) | ON flow setting: 20 to 1500 L/min | Port: R1 | Wetted metal: SUS304 | Seal: FPM
IF313-10-00 Enclosure: Drip/rain proof (IP42 equiv.) | ON flow setting: 36 to 2600 L/min | Port: R1 | Wetted metal: Brass | Seal: NBR
IF313-10-01 Enclosure: Drip/rain proof (IP42 equiv.) | ON flow setting: 36 to 2600 L/min | Port: R1 | Wetted metal: Brass | Seal: FPM
IF313-10-10 Enclosure: Drip/rain proof (IP42 equiv.) | ON flow setting: 36 to 2600 L/min | Port: R1 | Wetted metal: SUS304 | Seal: NBR
IF313-10-11 Enclosure: Drip/rain proof (IP42 equiv.) | ON flow setting: 36 to 2600 L/min | Port: R1 | Wetted metal: SUS304 | Seal: FPM
IF320-06-00 Enclosure: Splash/jet proof (IP44 equiv.) | ON flow setting: 14 to 60 L/min | Port: R3/4 | Wetted metal: Brass | Seal: NBR
IF320-06-01 Enclosure: Splash/jet proof (IP44 equiv.) | ON flow setting: 14 to 60 L/min | Port: R3/4 | Wetted metal: Brass | Seal: FPM
IF320-06-10 Enclosure: Splash/jet proof (IP44 equiv.) | ON flow setting: 14 to 60 L/min | Port: R3/4 | Wetted metal: SUS304 | Seal: NBR
IF320-06-11 Enclosure: Splash/jet proof (IP44 equiv.) | ON flow setting: 14 to 60 L/min | Port: R3/4 | Wetted metal: SUS304 | Seal: FPM
IF321-10-00 Enclosure: Splash/jet proof (IP44 equiv.) | ON flow setting: 20 to 1500 L/min | Port: R1 | Wetted metal: Brass | Seal: NBR
IF321-10-01 Enclosure: Splash/jet proof (IP44 equiv.) | ON flow setting: 20 to 1500 L/min | Port: R1 | Wetted metal: Brass | Seal: FPM
IF321-10-10 Enclosure: Splash/jet proof (IP44 equiv.) | ON flow setting: 20 to 1500 L/min | Port: R1 | Wetted metal: SUS304 | Seal: NBR
IF321-10-11 Enclosure: Splash/jet proof (IP44 equiv.) | ON flow setting: 20 to 1500 L/min | Port: R1 | Wetted metal: SUS304 | Seal: FPM
IF323-10-00 Enclosure: Splash/jet proof (IP44 equiv.) | ON flow setting: 36 to 2600 L/min | Port: R1 | Wetted metal: Brass | Seal: NBR
IF323-10-01 Enclosure: Splash/jet proof (IP44 equiv.) | ON flow setting: 36 to 2600 L/min | Port: R1 | Wetted metal: Brass | Seal: FPM
IF323-10-10 Enclosure: Splash/jet proof (IP44 equiv.) | ON flow setting: 36 to 2600 L/min | Port: R1 | Wetted metal: SUS304 | Seal: NBR
IF323-10-11 Enclosure: Splash/jet proof (IP44 equiv.) | ON flow setting: 36 to 2600 L/min | Port: R1 | Wetted metal: SUS304 | Seal: FPM
Flow SwitchesSMC
36 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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SMC IF3 Paddle Flow Switch (Liquid, 3/4B to 6B Piping)

Brand SMC·Flow Switches

Available part numbers (36)

IF300-06-00, IF300-06-01, IF300-06-10, IF300-06-11, IF301-10-00, IF301-10-01, IF301-10-10, IF301-10-11, IF303-10-00, IF303-10-01 + 26 more — see full table ↓

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Product codes & specifications
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Product codeSpec
IF300-06-00Enclosure: Open type | ON flow setting: 14 to 60 L/min | Port: R3/4 | Wetted metal: Brass | Seal: NBR
IF300-06-01Enclosure: Open type | ON flow setting: 14 to 60 L/min | Port: R3/4 | Wetted metal: Brass | Seal: FPM
IF300-06-10Enclosure: Open type | ON flow setting: 14 to 60 L/min | Port: R3/4 | Wetted metal: SUS304 | Seal: NBR
IF300-06-11Enclosure: Open type | ON flow setting: 14 to 60 L/min | Port: R3/4 | Wetted metal: SUS304 | Seal: FPM
IF301-10-00Enclosure: Open type | ON flow setting: 20 to 1500 L/min | Port: R1 | Wetted metal: Brass | Seal: NBR
IF301-10-01Enclosure: Open type | ON flow setting: 20 to 1500 L/min | Port: R1 | Wetted metal: Brass | Seal: FPM
IF301-10-10Enclosure: Open type | ON flow setting: 20 to 1500 L/min | Port: R1 | Wetted metal: SUS304 | Seal: NBR
IF301-10-11Enclosure: Open type | ON flow setting: 20 to 1500 L/min | Port: R1 | Wetted metal: SUS304 | Seal: FPM
IF303-10-00Enclosure: Open type | ON flow setting: 36 to 2600 L/min | Port: R1 | Wetted metal: Brass | Seal: NBR
IF303-10-01Enclosure: Open type | ON flow setting: 36 to 2600 L/min | Port: R1 | Wetted metal: Brass | Seal: FPM
IF303-10-10Enclosure: Open type | ON flow setting: 36 to 2600 L/min | Port: R1 | Wetted metal: SUS304 | Seal: NBR
IF303-10-11Enclosure: Open type | ON flow setting: 36 to 2600 L/min | Port: R1 | Wetted metal: SUS304 | Seal: FPM
IF310-06-00Enclosure: Drip/rain proof (IP42 equiv.) | ON flow setting: 14 to 60 L/min | Port: R3/4 | Wetted metal: Brass | Seal: NBR
IF310-06-01Enclosure: Drip/rain proof (IP42 equiv.) | ON flow setting: 14 to 60 L/min | Port: R3/4 | Wetted metal: Brass | Seal: FPM
IF310-06-10Enclosure: Drip/rain proof (IP42 equiv.) | ON flow setting: 14 to 60 L/min | Port: R3/4 | Wetted metal: SUS304 | Seal: NBR
IF310-06-11Enclosure: Drip/rain proof (IP42 equiv.) | ON flow setting: 14 to 60 L/min | Port: R3/4 | Wetted metal: SUS304 | Seal: FPM
IF311-10-00Enclosure: Drip/rain proof (IP42 equiv.) | ON flow setting: 20 to 1500 L/min | Port: R1 | Wetted metal: Brass | Seal: NBR
IF311-10-01Enclosure: Drip/rain proof (IP42 equiv.) | ON flow setting: 20 to 1500 L/min | Port: R1 | Wetted metal: Brass | Seal: FPM
IF311-10-10Enclosure: Drip/rain proof (IP42 equiv.) | ON flow setting: 20 to 1500 L/min | Port: R1 | Wetted metal: SUS304 | Seal: NBR
IF311-10-11Enclosure: Drip/rain proof (IP42 equiv.) | ON flow setting: 20 to 1500 L/min | Port: R1 | Wetted metal: SUS304 | Seal: FPM
IF313-10-00Enclosure: Drip/rain proof (IP42 equiv.) | ON flow setting: 36 to 2600 L/min | Port: R1 | Wetted metal: Brass | Seal: NBR
IF313-10-01Enclosure: Drip/rain proof (IP42 equiv.) | ON flow setting: 36 to 2600 L/min | Port: R1 | Wetted metal: Brass | Seal: FPM
IF313-10-10Enclosure: Drip/rain proof (IP42 equiv.) | ON flow setting: 36 to 2600 L/min | Port: R1 | Wetted metal: SUS304 | Seal: NBR
IF313-10-11Enclosure: Drip/rain proof (IP42 equiv.) | ON flow setting: 36 to 2600 L/min | Port: R1 | Wetted metal: SUS304 | Seal: FPM
IF320-06-00Enclosure: Splash/jet proof (IP44 equiv.) | ON flow setting: 14 to 60 L/min | Port: R3/4 | Wetted metal: Brass | Seal: NBR
IF320-06-01Enclosure: Splash/jet proof (IP44 equiv.) | ON flow setting: 14 to 60 L/min | Port: R3/4 | Wetted metal: Brass | Seal: FPM
IF320-06-10Enclosure: Splash/jet proof (IP44 equiv.) | ON flow setting: 14 to 60 L/min | Port: R3/4 | Wetted metal: SUS304 | Seal: NBR
IF320-06-11Enclosure: Splash/jet proof (IP44 equiv.) | ON flow setting: 14 to 60 L/min | Port: R3/4 | Wetted metal: SUS304 | Seal: FPM
IF321-10-00Enclosure: Splash/jet proof (IP44 equiv.) | ON flow setting: 20 to 1500 L/min | Port: R1 | Wetted metal: Brass | Seal: NBR
IF321-10-01Enclosure: Splash/jet proof (IP44 equiv.) | ON flow setting: 20 to 1500 L/min | Port: R1 | Wetted metal: Brass | Seal: FPM
IF321-10-10Enclosure: Splash/jet proof (IP44 equiv.) | ON flow setting: 20 to 1500 L/min | Port: R1 | Wetted metal: SUS304 | Seal: NBR
IF321-10-11Enclosure: Splash/jet proof (IP44 equiv.) | ON flow setting: 20 to 1500 L/min | Port: R1 | Wetted metal: SUS304 | Seal: FPM
IF323-10-00Enclosure: Splash/jet proof (IP44 equiv.) | ON flow setting: 36 to 2600 L/min | Port: R1 | Wetted metal: Brass | Seal: NBR
IF323-10-01Enclosure: Splash/jet proof (IP44 equiv.) | ON flow setting: 36 to 2600 L/min | Port: R1 | Wetted metal: Brass | Seal: FPM
IF323-10-10Enclosure: Splash/jet proof (IP44 equiv.) | ON flow setting: 36 to 2600 L/min | Port: R1 | Wetted metal: SUS304 | Seal: NBR
IF323-10-11Enclosure: Splash/jet proof (IP44 equiv.) | ON flow setting: 36 to 2600 L/min | Port: R1 | Wetted metal: SUS304 | Seal: FPM

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