Cynergy3 FS15 Series

Cynergy3 FS15 Series

The FS15 series of normally open flow switches by Cynergy3 utilises a fixed reed switch and a moving magnet to enable accurate flow detection, while ensuring minimal fluid flow restriction. These inline switches are designed for operation in liquid flow systems with pressure of up to 10 bar (not suitable for systems containing significant amount of solid particles) and come in 15mm tube size with a low-flow version available. The FS15 series flow switches can be operated in temperatures of up to 85°C and are WRAS approved for use in cold and hot water up to 60°C.

  • Normally open, inline flow detection switches
  • 15mm tube size
  • Low flow version available
  • Maximum operating pressure of 10 bar
  • Operating temperature range of -20°C to 85°C (WRAS approved to 60°C)
  • Maximum switching voltage of 240V AC and 120V DC
  • Can be mounted with horizontal or vertical (upward) flow direction

Customisation is available on this product - speak to our technical sales team to discuss your requirement.

The below table gives the full specifications for each resistor model available including the Cynergy3 FS15 series:

Cynergy3 FS15 series specifications
Additional Features
  • Inline, normally-open flow switches
  • WRAS Approved up to 60°C
  • Operating pressure up to 10 bar
  • Made of acetal resin (refer to chemical compatibility chart in Technical Library)
  • Can be mounted horizontally or vertically (upward flow)
Colour Black
Operating Temperature -20°C to +85°C
Package/Size 15mm tube size
Voltage Rating
  • 240V - maximum switching AC
  • 120V - maximum switching DC

Below is a part number break down for the Cynergy3 FS Flow Switch series:

Cynergy3 FS Series ordering information

We are pleased to provide you with a range of additional content including product datasheets, case studies, white papers and application notes for your reference. Please see below for the latest content available:



PDF Document Cynergy3 FS Flow Switch Series Datasheet
PDF Document Chemical compatibility sheet for Cynergy3 switches and sensors

This product is available fully compliant to the RoHS EU directive 2011/65/EU.

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  • Product Code: Cynergy3 FS15 Flow Switch Series
  • SKU: Cynergy3 FS15 Flow Switch Series
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Available Options

Tags: FS15A, FS15LF