• SMC PF3W7-L IO-Link Digital Flow Switch for Water (Integrated)
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SMC PF3W7-L IO-Link Digital Flow Switch for Water (Integrated)

SMC PF3W7-L IO-Link Digital Flow Switch for Water (Integrated)

SMC PF3W7-L series IO-Link compatible integrated-display digital flow switch for water, rated 0.5 to 250 L/min, with optional temperature sensor.

Key features

  • IO-Link device (V1.1, COM2) with switch output (N/P); temperature sensor type (LT) outputs flow or temperature
  • Five rated ranges 0.5-4 to 50-250 L/min; flow adjust valve (S) on 4/16/40 L/min types
  • 0.5-100 L/min models use the lightweight Z body; 250 L/min model uses the standard body
  • Suffix options not expanded: lead wire omitted (N), M12-M8 conversion lead (Q), bracket (R), calibration certificate (A)
  • L2 / L2T two-output types are made to order

Specifications

Fluid Water, ethylene glycol solution
Communication IO-Link V1.1, COM2 (38.4 kbps)
Power supply DC12 to 24 V (switch), DC18 to 30 V (IO-Link)
Max. applied voltage 30 V (NPN)
Operating pressure 0 to 1 MPa
Enclosure IP65
Standards CE, UKCA, UL (CSA)
Source SMC Korea catalog CAT.KS100-133B (SMCKR_PF3W-Z_PF3W-L.pdf), p. 15-16 (PDF p. 16-17)
PF3W704-03-L-MZ Rated flow: 0.5-4 L/min | Flow adjust valve: None | Port: Rc3/8 | Output: IO-Link/switch, no temp sensor
PF3W704-03-LT-MZ Rated flow: 0.5-4 L/min | Flow adjust valve: None | Port: Rc3/8 | Output: IO-Link/switch, temp sensor
PF3W704S-03-L-MZ Rated flow: 0.5-4 L/min | Flow adjust valve: With flow adjust valve | Port: Rc3/8 | Output: IO-Link/switch, no temp sensor
PF3W704S-03-LT-MZ Rated flow: 0.5-4 L/min | Flow adjust valve: With flow adjust valve | Port: Rc3/8 | Output: IO-Link/switch, temp sensor
PF3W720-03-L-MZ Rated flow: 2-16 L/min | Flow adjust valve: None | Port: Rc3/8 | Output: IO-Link/switch, no temp sensor
PF3W720-03-LT-MZ Rated flow: 2-16 L/min | Flow adjust valve: None | Port: Rc3/8 | Output: IO-Link/switch, temp sensor
PF3W720-04-L-MZ Rated flow: 2-16 L/min | Flow adjust valve: None | Port: Rc1/2 | Output: IO-Link/switch, no temp sensor
PF3W720-04-LT-MZ Rated flow: 2-16 L/min | Flow adjust valve: None | Port: Rc1/2 | Output: IO-Link/switch, temp sensor
PF3W720S-03-L-MZ Rated flow: 2-16 L/min | Flow adjust valve: With flow adjust valve | Port: Rc3/8 | Output: IO-Link/switch, no temp sensor
PF3W720S-03-LT-MZ Rated flow: 2-16 L/min | Flow adjust valve: With flow adjust valve | Port: Rc3/8 | Output: IO-Link/switch, temp sensor
PF3W720S-04-L-MZ Rated flow: 2-16 L/min | Flow adjust valve: With flow adjust valve | Port: Rc1/2 | Output: IO-Link/switch, no temp sensor
PF3W720S-04-LT-MZ Rated flow: 2-16 L/min | Flow adjust valve: With flow adjust valve | Port: Rc1/2 | Output: IO-Link/switch, temp sensor
PF3W740-04-L-MZ Rated flow: 5-40 L/min | Flow adjust valve: None | Port: Rc1/2 | Output: IO-Link/switch, no temp sensor
PF3W740-04-LT-MZ Rated flow: 5-40 L/min | Flow adjust valve: None | Port: Rc1/2 | Output: IO-Link/switch, temp sensor
PF3W740-06-L-MZ Rated flow: 5-40 L/min | Flow adjust valve: None | Port: Rc3/4 | Output: IO-Link/switch, no temp sensor
PF3W740-06-LT-MZ Rated flow: 5-40 L/min | Flow adjust valve: None | Port: Rc3/4 | Output: IO-Link/switch, temp sensor
PF3W740S-04-L-MZ Rated flow: 5-40 L/min | Flow adjust valve: With flow adjust valve | Port: Rc1/2 | Output: IO-Link/switch, no temp sensor
PF3W740S-04-LT-MZ Rated flow: 5-40 L/min | Flow adjust valve: With flow adjust valve | Port: Rc1/2 | Output: IO-Link/switch, temp sensor
PF3W740S-06-L-MZ Rated flow: 5-40 L/min | Flow adjust valve: With flow adjust valve | Port: Rc3/4 | Output: IO-Link/switch, no temp sensor
PF3W740S-06-LT-MZ Rated flow: 5-40 L/min | Flow adjust valve: With flow adjust valve | Port: Rc3/4 | Output: IO-Link/switch, temp sensor
PF3W711-06-L-MZ Rated flow: 10-100 L/min | Flow adjust valve: None | Port: Rc3/4 | Output: IO-Link/switch, no temp sensor
PF3W711-06-LT-MZ Rated flow: 10-100 L/min | Flow adjust valve: None | Port: Rc3/4 | Output: IO-Link/switch, temp sensor
PF3W711-10-L-MZ Rated flow: 10-100 L/min | Flow adjust valve: None | Port: Rc1 | Output: IO-Link/switch, no temp sensor
PF3W711-10-LT-MZ Rated flow: 10-100 L/min | Flow adjust valve: None | Port: Rc1 | Output: IO-Link/switch, temp sensor
PF3W721-12-L-M Rated flow: 50-250 L/min | Flow adjust valve: None | Port: Rc1 1/4 | Output: IO-Link/switch, no temp sensor
PF3W721-12-LT-M Rated flow: 50-250 L/min | Flow adjust valve: None | Port: Rc1 1/4 | Output: IO-Link/switch, temp sensor
PF3W721-14-L-M Rated flow: 50-250 L/min | Flow adjust valve: None | Port: Rc1 1/2 | Output: IO-Link/switch, no temp sensor
PF3W721-14-LT-M Rated flow: 50-250 L/min | Flow adjust valve: None | Port: Rc1 1/2 | Output: IO-Link/switch, temp sensor
Flow SwitchesSMC
28 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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SMC PF3W7-L IO-Link Digital Flow Switch for Water (Integrated)

Brand SMC·Flow Switches

Available part numbers (28)

PF3W704-03-L-MZ, PF3W704-03-LT-MZ, PF3W704S-03-L-MZ, PF3W704S-03-LT-MZ, PF3W720-03-L-MZ, PF3W720-03-LT-MZ, PF3W720-04-L-MZ, PF3W720-04-LT-MZ, PF3W720S-03-L-MZ, PF3W720S-03-LT-MZ + 18 more — see full table ↓

How to order

Send the SMC part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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Product codeSpec
PF3W704-03-L-MZRated flow: 0.5-4 L/min | Flow adjust valve: None | Port: Rc3/8 | Output: IO-Link/switch, no temp sensor
PF3W704-03-LT-MZRated flow: 0.5-4 L/min | Flow adjust valve: None | Port: Rc3/8 | Output: IO-Link/switch, temp sensor
PF3W704S-03-L-MZRated flow: 0.5-4 L/min | Flow adjust valve: With flow adjust valve | Port: Rc3/8 | Output: IO-Link/switch, no temp sensor
PF3W704S-03-LT-MZRated flow: 0.5-4 L/min | Flow adjust valve: With flow adjust valve | Port: Rc3/8 | Output: IO-Link/switch, temp sensor
PF3W720-03-L-MZRated flow: 2-16 L/min | Flow adjust valve: None | Port: Rc3/8 | Output: IO-Link/switch, no temp sensor
PF3W720-03-LT-MZRated flow: 2-16 L/min | Flow adjust valve: None | Port: Rc3/8 | Output: IO-Link/switch, temp sensor
PF3W720-04-L-MZRated flow: 2-16 L/min | Flow adjust valve: None | Port: Rc1/2 | Output: IO-Link/switch, no temp sensor
PF3W720-04-LT-MZRated flow: 2-16 L/min | Flow adjust valve: None | Port: Rc1/2 | Output: IO-Link/switch, temp sensor
PF3W720S-03-L-MZRated flow: 2-16 L/min | Flow adjust valve: With flow adjust valve | Port: Rc3/8 | Output: IO-Link/switch, no temp sensor
PF3W720S-03-LT-MZRated flow: 2-16 L/min | Flow adjust valve: With flow adjust valve | Port: Rc3/8 | Output: IO-Link/switch, temp sensor
PF3W720S-04-L-MZRated flow: 2-16 L/min | Flow adjust valve: With flow adjust valve | Port: Rc1/2 | Output: IO-Link/switch, no temp sensor
PF3W720S-04-LT-MZRated flow: 2-16 L/min | Flow adjust valve: With flow adjust valve | Port: Rc1/2 | Output: IO-Link/switch, temp sensor
PF3W740-04-L-MZRated flow: 5-40 L/min | Flow adjust valve: None | Port: Rc1/2 | Output: IO-Link/switch, no temp sensor
PF3W740-04-LT-MZRated flow: 5-40 L/min | Flow adjust valve: None | Port: Rc1/2 | Output: IO-Link/switch, temp sensor
PF3W740-06-L-MZRated flow: 5-40 L/min | Flow adjust valve: None | Port: Rc3/4 | Output: IO-Link/switch, no temp sensor
PF3W740-06-LT-MZRated flow: 5-40 L/min | Flow adjust valve: None | Port: Rc3/4 | Output: IO-Link/switch, temp sensor
PF3W740S-04-L-MZRated flow: 5-40 L/min | Flow adjust valve: With flow adjust valve | Port: Rc1/2 | Output: IO-Link/switch, no temp sensor
PF3W740S-04-LT-MZRated flow: 5-40 L/min | Flow adjust valve: With flow adjust valve | Port: Rc1/2 | Output: IO-Link/switch, temp sensor
PF3W740S-06-L-MZRated flow: 5-40 L/min | Flow adjust valve: With flow adjust valve | Port: Rc3/4 | Output: IO-Link/switch, no temp sensor
PF3W740S-06-LT-MZRated flow: 5-40 L/min | Flow adjust valve: With flow adjust valve | Port: Rc3/4 | Output: IO-Link/switch, temp sensor
PF3W711-06-L-MZRated flow: 10-100 L/min | Flow adjust valve: None | Port: Rc3/4 | Output: IO-Link/switch, no temp sensor
PF3W711-06-LT-MZRated flow: 10-100 L/min | Flow adjust valve: None | Port: Rc3/4 | Output: IO-Link/switch, temp sensor
PF3W711-10-L-MZRated flow: 10-100 L/min | Flow adjust valve: None | Port: Rc1 | Output: IO-Link/switch, no temp sensor
PF3W711-10-LT-MZRated flow: 10-100 L/min | Flow adjust valve: None | Port: Rc1 | Output: IO-Link/switch, temp sensor
PF3W721-12-L-MRated flow: 50-250 L/min | Flow adjust valve: None | Port: Rc1 1/4 | Output: IO-Link/switch, no temp sensor
PF3W721-12-LT-MRated flow: 50-250 L/min | Flow adjust valve: None | Port: Rc1 1/4 | Output: IO-Link/switch, temp sensor
PF3W721-14-L-MRated flow: 50-250 L/min | Flow adjust valve: None | Port: Rc1 1/2 | Output: IO-Link/switch, no temp sensor
PF3W721-14-LT-MRated flow: 50-250 L/min | Flow adjust valve: None | Port: Rc1 1/2 | Output: IO-Link/switch, temp sensor

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