Product Details:
Place of Origin: | China |
Brand Name: | LEADING |
Certification: | CE |
Model Number: | M931 |
Detailed Product Description:
Phase: | Three Phase | Pump Controlled Quantity: | One Pump |
Enclosure Protection Grade: | IP54 | Displaying: | LCD Display |
Trip Response Time Of Over Load: | 5sec-5min | Trip Response Time Of Short Circuit: | ＜0.1sec |
Trip Response Time Of Under / Over Voltage: | ＜5sec | Trip Response Time Of Dry Run: | :6sec |
Recovery Time Of Over Load: | 30min | Recovery Time Of Under / Over Voltage: | 5min |
Recovery Time Of Dry Run: | 30min | Trip Voltage Of Over Voltage: | 437V |
Trip Voltage Of Under Voltage: | 301V | Liquid Level Transfer Distance: | <150m |
Products Brief :
M931 is applied for automatic liquid level control / pressure control and effective protection for single pump of with AC380V, 50hz, three phase output power 0.75KW-15KW (1HP-20HP),direct start, including stainless steel or cast iron submersible pump,centrifugal pump, sewage pump etc.
Model M931 has many operation modes by adopting different electric installations. An important feature that makes the difference between Model M931 and common On/Off pump control box is the probe / sensor free in the well. Our special design makes it a very reliable and sensitive Protection against pump dry run without installation probe / sensor in the well.
Model M931 is useful in all cases we need to control and protect single pump managing its turn-on and turn off by different electric installations.
Advantage:
we can accept customized products because we have our own research and department department ;
we can supply competitive price because we are the factory ;
we can supply technic support because we have experienced technic team
Qualification certificate ：
Won the gold medal of China international patent and famous brand exposition
Products through the European CE quality management system certification
Products through the ISO quality management system certification
Awarded the certificate of high-tech enterprise
Awarded AAA credit enterprise certificate, bronze medal
How to restore the factory setting of the pump intelligent controller:
Step 1: First turn off the power to the pump controller.
Step 2: Press and hold the "stop" button, do not release the button.
Step 3: Turn on the power
Step 4: Until the LCD flashes "777 777"
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