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Basic Info.
Product Description
Discover the M921 Water Pump Controller by Hunan Leading. This smart single-phase pump control panel features a closed-loop system with linear mathematical models for precise control.
| Model | M921 |
| Main technical data | |
| Start type | Direct on line |
| Qty of controlled pump | Single pump |
| Protection method | Real motor output power(watts)by power factor |
| Rated input voltage | AC220V-240V Single phase 50HZ/ 60HZ |
| Rated output power | 0. 75kw-2.2kw (0.5hp-3hp) |
| Capacitor | Reserved space for installing start capacitor |
| 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 water supply by pressure control through pressure switch and pressure tank Applied for drainage by liquid level control through float switch or liquid probe Applied for sewage pump with piggy-back float switch |
| Other features | Pump last five faults record displaying Pump accumulative running time displaying Pump shaft anti-rust LCD screen locked function under anto state Present RS485 port |
| 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 250×197×114mm |
Welcome to Hunan Leading Science & Technology Development Co., Ltd.
At Hunan Leading, we pride ourselves on offering customized products tailored to your specific needs. Our in-house research and development department ensures that we can create unique solutions for you.
As a factory-direct supplier, we are able to provide competitive prices without compromising on quality. You can trust that you are getting the best value for your money.
Our experienced technical team is always available to provide support and assistance, ensuring that you have a seamless experience from start to finish.
Choose Hunan Leading for all your customized product needs and experience the difference that quality, affordability, and expertise can make.
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