S+S Regeltechnik GmbH WFS-1E Vane Operated Flow Switch

- Brand: S+S Regeltechnik GmbH
- Model: WFS-1E
- Type: Vane Operated Flow Switch
- Part number: 1702-3020-0000-000
  - Function: Monitors air flow in ventilation ducts, air handling units, fans and air ducts; detects flow or no-flow conditions and switches a relay
  - Switching Principle: Paddle/Vane actuated microswitch
  - Switching Capacity: 15(8)A 24......250 V AC 
  - Contact Type: 1 change-over contact (SPDT)
  - Setpoint Adjustment: Adjustable via vane length and angle 
  - Switching Differential: 1.9...2 m/s 
  - Min. Air Velocity for Switching: Approx. 1.0–1.5 m/s 
  - Max. Air Velocity: Up to 20 m/s
  - Duct Size Range: Suitable for round ducts Ø 100–600 mm or rectangular ducts
  - Process Connection: Mounting flange with rubber gasket 
  - Vane Material: Stainless steel 
  - Housing Material: Plastic (ABS), impact-resistant
  - Electrical Connection: Cable gland M20 × 1.5
  - Protection Rating: IP54 
  - Ambient Temperature: -20 °C to +60 °C
  - Storage Temperature: -30 °C to +80 °C
  - Features: Adjustable vane length, visual indication of switching status, robust design, low pressure drop, easy installation
- Dimensions: 300 x 170 x 120 mm
- Weight: 600 g
- Country of origin: Germany
- HS code: 853650