Hunan, China
Business Type:
Manufacturer/Factory, Trading Company, Other
Management System Certification:
ISO 9001, ISO 14001
OEM/ODM Service
Sample Available
MEI Awards

Control Panel, Pump Control Panel, Panel manufacturer / supplier in China, offering Direct on Line Single Pumpe Control Panel (S521), Economical Three Phase Duplex Pump Control Panel (L532), Intelligent Single Pump Control Panel (MP-S1 plus) for Pump Manufacturer and so on.

Diamond Member Since 2012
Audited Supplier

Direct on Line Single Pumpe Control Panel (S521)

Get Latest Price
Min. Order: 10 Pieces
Port: Ningbo, China
Production Capacity: 10000 Sets Per Month
Payment Terms: L/C, T/T, Western Union, Paypal
Task: Program
Structure: Closed-Loop
Mathematical Model: Linear
Signal: Continuous
Function: Automatic Control
Certification: ISO: 9001, CE

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Basic Info

Model NO.
Leading or neutral
Transport Package
small size
HS Code
1.Product Information 
MODEL: S521  
General details
Main technical data
.Start typeDirect on line
.Qty of controlled pumpSingle pump
.Rated input voltageAC220V-240V Single phase
50HZ/ 60HZ
.Rated output power0.37kw-2.2kw (0.5hp-3hp)
.CapacitorReserved 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
Application &
Control characteristic
Control and protect universal pump
Using water level sensor or float switch 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
Other featuresPush button calibration
Memory function when power off & recovery
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
Wall mounting
 Pump Control Panel with Single Phase Water Pump S521

2.Company  Information 

1)Brief introduction: as the supplier of pump control panel and control accessories, major products including: Intelligent Single / Dual Pump Control Panel, Motor Protector / Starter , Reverse Osmosis Controller, Anti-Clogging Reversal Pump Control Panel 

More information, please

2)Our location and communication
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
Intelligent Water Pump Control Box (S521)
Intelligent Water Pump Control Box (S521)
Intelligent Water Pump Control Box (S521)
Intelligent Water Pump Control Box (S521)

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