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The FES Series Flow Switch is designed to detect liquid Flow, Low, or No Flow.

The FES switch encompasses a SPST contact that can be wired to energize a device when liquid flow either exceeds or drops below the set flow rate.

The FES Series is an excellent choice for corrosive liquid services, water treatment, waste treatment, liquid pumping and process control systems. The FES Flow Switch can control devices such as pumps, motorized valves and alarm devices.
Features
  • All Plastic Construction
  • In-Line Design – Insertion Style
  • NEMA 4X Enclosure
  • Corrosion Resistant PP Body + Paddle
  • ½” – 8″ Pipe – Tee or Saddle
  • Heavy Duty Rugged Design
  • Low Pressure Drop
  • Easy to Install
  • Can be Easily Changed from Normally Open to Normally Closed

Specifications

Body Material

  • Polypropylene (PP)

Electrical Connection

  • Hirschmann DIN

Connection

  • 1/2” (M) NPT

Pipe Size

  • 1/2” - 8”

Maximum Operating Temperature

  • 80° C (190° F)

Maximum Operating Pressure (Non-Shock)

  • 150 psi (10 bar)

Maximum Contact Current

  • 1.5 A

Maximum Power Supply

  • 85 Vdc
  • 250 Vac

O-Ring

  • Viton

Relay

  • SPST Reed Switch
  • Normally Open
  • Normally Closed
  • Adjustable

Protection Class

  • IP65
  • NEMA 4X
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