PF2A3**

PF2A3**, Digital Flow Switch for Air, Remote Type Display

Explore the features, model options and technical documentation for PF2A3**. Contact Pnoneks to select the full part number for your application.

SMC ·Flow Sensors

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Selecting PF2A3**

Selecting PF2A3**: review the full part number and your system conditions when considering this Sensors & switches record. Share Flow Range, Output Specifications, Unit, the required quantity and your application notes with Pnoneks. Final compatibility and lead time are confirmed during quotation.

ABOUT THE PRODUCT

The essentials for selection.

Manufacturer: SMC
Series: PF2A3**
Product group: Sensors & switches
Function: Flow Sensors
Applications: Suitability is evaluated against technical specifications and application conditions.
Selection parameters: Flow Range, Output Specifications, Unit

Exact dimensions, operating ranges and compatibility depend on the full part number. Review the relevant SMC documentation and application conditions for technical selection.

TECHNICAL PRODUCT INFORMATION

Features and model options

Technical descriptions and values below are preserved in the manufacturer’s original language. Options describe alternatives within the series; not every combination is valid. We will verify the full part number when quoting.

Digital flow switch for air applications
Remote type display unit
Flow rate range: 1-10(ℓ/min) ~ 50-500(ℓ/min)
Panel mounting
NPN or PNP open collector 2 outputs

Selection fields published in the source
Parameter	Options / values
Flow Range	0 (PF2A510: 1-10 l/min, PF2A550: 5-50 l/min) · 1 (PF2A511: 10-100 l/min, PF2A521: 20-200 l/min, PF2A551: 50-500 l/min)
Output Specifications	0 (NPN Open Collector 2 Outputs) · 1 (PNP Open Collector 2 Outputs)
Unit	Unit Change Function · M (SI Fixed Unit)

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