| Task: | Program |
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| Structure: | Closed-Loop |
| Mathematical Model: | Linear |
| Samples: |
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| Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier Digital Pump Controller/ Single Phase Pump Control Panel
| Model | L521 |
| Main technical data | |
| Start type | Direct on line |
| Qty of controlled pump | Single pump |
| Rated input voltage | AC220V-240V Single phase 50HZ/ 60HZ |
| Rated output power | 0. 37kw-1.1kw (0.5hp-1.5hp) 1.5kw-2.2kw(2hp-3hp) 3kw-4kw (4hp-5.5hp) |
| Protection function |
Over load protection Pump stalled protection Dry run protection with sensor free Under voltage protection Over voltage protection Repeat start protection |
| Application & Control characteristic |
Control and protect general pump Using water level sensor , float switch or pressure switch or level/pressure transmitter to control pump start and stop Applied for water supply by liquid level control through float switch or liquid probe Applied for booster by pressure control through pressure switch and pressure tank Applied for drainage by liquid level control through float switch or liquid probe |
| Other features | Pump last five faults record displaying Pump accumulative running time displaying Pump shaft anti-rust Present one dry contact point(BA port) LCD screen locked function under anto state Present RS485 port Present user remote monitor Push button calibration Reserved space for installing two capacitors |
| Main installation data | |
| Working temperature Working humidity Degree of protection Install position Unit dimension (L x W x H) |
-25ºC-- +55ºC 20%--90%RH, no drips concreted IP54 Wall mounting 310×220×120mm |
Connectable sensors: Liquid probe(standard accessory)/ Pressure switch/Float switch
Can i have some samples ?
Yes ,we can send you samples for testing,contact us for details
What's delivery time ?
For standard pump control panel ,it usually takes about 7 working days;
For non-standard,it usually takes 15-20days ,please contact us for details;
Can I do OEM or ODM ?
Yes,we have our own engineering team and we do accept OEM and ODM,but there is ordering quantity requirement;
How does your factory do the quality control ?
Our production process follow up the ISO standard and we control the product quality from the raw materials to the finished product,each of our control panel will be fully assembled and strictly tested before packing and shipping ;
What is the approximate life time for your control panel ?
The designed life time of control panel is 8 years ;
What is your after sales service policy ?
According to the ordering quantity,we will give some free spare parts or controller for maintenance or replacement and we will give technical training;
How can i trust you ?
We have being developing the pump control panel manufacturing and selling for 15 years ,now many pump supplier from China and overseas are using our controller to control and protect their pump and motor.
Where is your location and transportation guide?
From Guangzhou to Changsha takes 1hour by air, 2.5hour by high speed train
From Shanghai to Changsha takes 1.5hour by air, 5hour by high speed train
From Beijing to Changsha takes 2.5hour by air
From Hong Kong to Changsha takes 2hour by air
Suppliers with verified business licenses
Audited Supplier 
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