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Last Updates: 13/01/2021

Endress+Hauser Soliswitch FTE31 Rotary paddle switch

The economical Endress+Hauser Soliswitch FTE31 is a paddle switch for point level detection in bulk materials. Its robust polymer housing and compact design make it an ideal sensor for full, empty, and demand alarm in applications with bulk solids. The optimized materials make the unit outstandingly robust and, therefore, suitable for use in dust explosive areas.

  • Reliable and economical paddle switch
  • Highest safety standard for dust-explosion-hazardous areas
  • Diverse instrument designs for use under different application conditions
  • Slip clutch prevents impact on paddle
  • Ingress protection to IP 65 / NEMA 4x / Type 4x for optimum safety in the process

The universal point level switch FTE31 is used as a full, empty and demand alarm on silos containing solids. Its construction and materials make the unit suitable for use in the food industry. The unit is suitable as a level limit switch in dust-explosion-hazardous areas.

Typical applications are level detection in: Cereals, sugar, cacao, animal feeds, washing powders, chalk, dry plaster, cement, granulates, wood chips

  • Measuring principle

    Paddle

  • Characteristic / Application

    universally applicable as a full, empty and demand alarm on silos containing solids

  • Specialities

    Hinged paddle for retro-fitting

  • Supply / Communication

    230V 50/60 Hz
    115V 50/60 Hz
    48V 50/60 Hz
    24V 50/60 Hz
    20 to 28 VDC

  • Ambient temperature

    -20 °C … 60 °C (-4 °F … 140 °F)

  • Process temperature

    -20 °C … 80 °C (-4 °F … 170 °F)

  • Process pressure absolute / max. overpressure limit

    0.5 bar to 1.5 bar (7 psi to 22 psi)

  • Min. density of medium

    >= 100 g/l

  • Main wetted parts

    Shaft: 1.4435
    Paddle: 1.4435

  • Process connection

    Threaded boss – thread NPT 1 1/4″ or NPT 1 1/2″

  • Sensor length

    Standard:
    75 mm (3″)
    100 mm (4″)
    200 mm (8″)
    300 mm (12″)
    400 mm (16″)
    500 mm (20″)
    600 mm (24″)

  • Communication

    Relay

  • Certificates / Approvals

    FM
    CSA

  • Application limits

    max. grain size 50 mm (2″)

Datasheet: Technical information Level Limit Switch soliswitch FTE31

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