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Model-AAFS

Interruttore a palette per flusso d'aria regolabile per HVAC - Alette in acciaio inox

Adjustable Air Flow Paddle Switch for HVAC - Stainless Steel Vane
  • Sensibilità del flusso d'aria regolabile da 200 a 1800 FPM
  • Contatto SPDT con portata di corrente elevata (15 A)
  • Grado di protezione IP65
Model-AAFS
Da  100,38
Adjustable Air Flow Paddle Switch for HVAC - Stainless Steel Vane Model-AAFS Model-AAFS
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Panoramica del Prodotto
  • Portata d'aria, max 1800 FPM
  • Portata d'aria, min 200 FPM
  • Collegamento elettrico Pressacavo con morsettiera a vite
  • Classificazioni della custodia IP65
  • Materiali ABS
  • Materiali a contatto con il fluido Ottone, Acciaio zincato, Acciaio inossidabile
  • Compatibilità con i fluidi Aria pulita e secca / gas inerte, HVAC / aria ambiente, Gas inerti / non reattivi
  • Orientamento di montaggio Portata orizzontale del condotto
  • Temperatura di esercizio, max 180 °F
  • Temperatura di esercizio minima -40 °F
  • Umidità relativa 10 al 90% non condensante
  • ID serie Model-AAFS
  • Regolazione del set point Vite interna
  • Valore nominale dell'interruttore 5 (8) A a 250 Vca
  • Peso 380 g

Supported Applications

The Dwyer Model AAFS Adjustable Air Flow Paddle Switch is designed for air flow proving in HVAC systems. The series detects a wide range of air velocities with minimal user calibration, utilizing an internal screw to adjust the set point at which the SPDT snap switch engages.

Operating Conditions & Performance

The Model AAFS operates within specific environmental and process limits defined by its specifications. The unit is rated for ambient temperatures from -40 to 180°F (-40 to 85°C) and process temperatures from -14 to 185°F (-10 to 85°C). Humidity must remain between 10 to 90%, non-condensing. The switch is intended for horizontal duct flow applications with a service media of air and compatible gas.

Performance capabilities include an adjustable sensitivity range from 200 to 1800 FPM (1 to 9.2 m/s). The device features an IP65 enclosure rating and carries CE compliance approval.

Key Specifications

  • Measurement Range: 200 to 1800 FPM (1 to 9.2 m/s)
  • Ambient Temperature Limits: -40 to 180°F (-40 to 85°C)
  • Process Temperature Limits: -14 to 185°F (-10 to 85°C)
  • Humidity Limits: 10 to 90%, non-condensing
  • Enclosure Rating: IP65
  • Electrical Connection: Screw terminal with M18 x 1.5 cable gland
  • Process Connection: Flange
  • Mounting Orientation: Horizontal duct flow

Configuration Options

The Model AAFS series is configured with specific wetted materials and housing components to support its function in air velocity detection. The unit includes a stainless steel vane, brass lever, galvanized steel base, and an ABS enclosure.

  • Switch Type: SPDT contact
  • Electrical Rating: 15 (8) A @ 250 VAC
  • Wetted Materials: Vane: SS; Lever: Brass; Base: Galvanized steel
  • Housing Material: ABS
  • Set Point Adjustment: Internal screw
  • Weight: 13.6 oz (380 g)

Key Product Differences

The series is identified by the model code AAFS, described as an adjustable air flow paddle switch. The primary variation within this single-model family involves the field-adjustable set point range of 200 to 1800 FPM (1 to 9.2 m/s). No other distinct sub-families or alternative housing configurations are documented for this series.

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