| Task: | Program |
|---|---|
| Structure: | Closed-Loop |
| Mathematical Model: | Linear |
| Signal: | Continuous |
| Function: | Automatic Control, Protection, Measurement |
| Certification: | CCC, ISO: 9001, CE |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier 
| Type | A1S | ||||||
| Model | A1S-4 | A1S-7.5 | A1S-11 | A1S-15 | A1S-18.5 | A1S-22 | A1S-30 |
| Rated Power | 0.75-4KW | 1.1-7.5KW | 1.1-11KW | 2.2-15KW | 3-18.5KW | 4-22KW | 5.5-30KW |
| Rated Input Voltage | 230V±10%/50Hz or 60Hz | ||||||
| Qty.of Controlled Pump | Single pump | ||||||
| Display | LCD display | ||||||
| Signal Transmission Mode | Level float switch Level probe Pressure switch Electric contact pressure gauge |
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| Water Level Indication | High/Middle/Low | ||||||
| Max.Control Distance | ≤2000m without strong electric and electromagnetic fields | ||||||
| Over/under-voltage Range | 176-264V(adjustable) | ||||||
| Protections | Pump stalled protection Dry run protection Over-load protection Under-voltage protection Over-voltage protection Open phase protection Short circuit protection |
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| Main Functions | Time setting Fault detection Anti-rust inspection Automatic restart after power recovery |
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| Product Size | 400x300x190mm | ||||||
| Working temperature Working humidity Degree of protection Install position |
-25ºC-- +55ºC 20%--90%RH, no drips concreted IP54 Wall mounting |
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Suppliers with verified business licenses
Audited Supplier 
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