Omega 2.2KW 400V Intelligent Control Box » Buy online now for only R 5,089.74 incl. VAT
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The PCH31 is an easy-to-use, simple and reliable smart three-phase pump control and protection device for the 2.2kW (3HP) motor. It can be widely used to control and protect deep well pumps, sewage pumps, self-priming pumps, centrifugal pumps, pipeline pumps, and more.
Application & Control
- Water transfer from low tank to upper tank (liquid probe or float switch)
- Pressure boosting (pressure switch & pressure tank)
- Sewage lifting (liquid probe or float switch)
- Drainage pump with piggy-back float switch
- Water transfer from low tank to upper tank (level transmitter)
- Pressure boosting by pressure transmitter
- Sewage lifting by level transmitter
- Pure cycle timer control
- Temperature control by PT100 temperature sensor (expansion module required)
Protection Functions
- Dry-run protection (sensor-free)
- Pump stalled protection
- Overload protection
- Under-voltage protection
- Over-voltage protection
- Pump repeat-start protection
- Open phase protection for input & output power
- Phase reversal protection for input power
- Phase unbalance protection for input power
- Over-temperature protection (requires pump with built-in over-temperature sensor or PTC sensor)
- Pump shaft anti-rust protection
Other Features
- Push-button calibration
- Pure cycle timer control
- Pump stop timer under manual control state
- Pump last five fault record displaying
- Pump accumulative running time displaying
- Dynamic LCD displays pump running information
- DIP function switch for different application choosing
- Memory function when power off & power recovery
- Optional function expansion module available (PT100 temperature sensor)
- Friendly human-machine interface via LCD module
- All electronic components with good stability — stable and reliable
- Different housing colour available: black / white
- Overflow alarm for sewage lifting / drainage application
- RS485 communication protocol
- Reserved space to install MEMS air pressure transmitter for sewage lifting system
- DC24V audible & visual alarm
Specifications
| Parameter | Value |
|---|---|
| Rated Power | 2.2kW (3HP) |
| Full Load Ampere | 4.5A |
| Max Starting Ampere | 27A |
| Input Voltage | AC380V / AC400V, 50Hz / 60Hz, Three Phase |
| Start Type | DOL (Direct On Line) |
| Pump Control | Single pump |
| Signal Input | Float switch, Pressure switch, Liquid probe, Level transmitter, Pressure transmitter, PT100 (expansion module), MEMS air pressure transmitter |
| Signal Transmitting Distance | 1000 m max |
| Working Temperature | -25°C ~ 55°C |
| Working Humidity | 20%–90% RH, non-condensing |
| Degree of Protection | IP67 |
| Mounting Type | Wall mounting |
| Unit Dimensions (L×W×H) | 342×252×119 mm |
| Net Weight | 2.44 kg (approximate) |
| Gross Weight | 2.84 kg (approximate) |