No-Flow Switches
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| Series: | F3.05 |
| Rotor: | ECTFE |
| Shaft & Bearings: | Ceramic |
| Seals: | EPDM, Viton |
| Pipe Sizes: | 1/2″ – 24″ (in two sensor lengths) |
| Trip Point: | 0.15 m/s The normally open contact closes after a delay of 2 seconds |
| Â Bicolour LED Red = No Flow, Green = Flow | |
| Â Visual Indication: | F3.82.H Model: 25 to 150 l/h (0.11 to 0.66 gpm) |
| Relay Output: | Mechanical SPST contact, No Flow = open contact 1A @ 24 VDC, 0.5A @ 125 VAC, 0.1A @ 230 VAC |
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Description
No-Flow SwitchesType F3.05 No-Flow Switches offer reliable pump protection. They open an electrical circuit when flow velocity decreases below 0.15 m/s (0.5 ft./sec.) and are not adjustable. The unique Halar paddle wheel design is not available from other manufacturers. |
✓ Reliable Pump Protection
✓ Visual Flow Indication
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Technical
Type F3.05 No-Flow Switch Data Sheet
Digiflow FlowX3 Calibration Factors for F3.0.F3.3 Flow Sensor
Instruction Manual
CE Certification
Compatibility
Type F3.05 No-Flow Switches
F3.05 Compatibility Chart










