Guangdong, China
Business Type:
Manufacturer/Factory & Trading Company
Number of Employees:
Year of Establishment:
Management System Certification:
ISO9001:2015, ISO14001:2015
OEM/ODM Service
Sample Available

General Inverter, Frequency Inverte, VFD manufacturer / supplier in China, offering General Purpose Frequency Inverter B503D 187V`253V, Solar Swimming Pool Pump Controller (B607BSL), Intelligent Constant Pressure Pump Controller-Single Phase Output (B601B2) and so on.

Gold Member Since 2009
Audited Supplier

General Purpose Frequency Inverter B503D 187V`253V

Min. Order / Reference FOB Price
1 Piece US $142-619/ Piece
Port: Guangzhou, China
Transport Package: Carton
Payment Terms: T/T, Western Union
Nature of Source Flow: AC-DC-AC
Certification: ISO9001, CE
Output Power: 0.75~15kw
Grid Type: off-Grid Inverter
Output Type: Triple
Circuit Topologies: Push-Pull Type

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Basic Info.

Model NO.
Nature of Wave String
Square Wave Inverter
DC/AC Inverters
Guangzhou, China
General Purpose Frequency Inverter
 B503 series sensorless current vector

General Purpose Frequency Inverter B503D 187V`253V

all kinds of industry motors,fans,washing machines,air-compressors,lift…except on elevator.

Input voltage & Output power range:

Single phase 220V 1HP-3HP(0.75KW-2.2KW)
Three phase 220V 5HP-7HP(3.7KW-5.5KW)
Three phase 380V 1HP-20HP(0.75KW-15KW)

1.Control Mode: Sensorless Vector Control(SVC), V/F Control.
2.Overload Capacity:60s with 150% of rated current, 10s with 180% of rated current.
3.Starting Torqure:150% of rated torque at 0.5Hz(SVC).
4.Speed Accuracy: ±0.5% of maximum speed(SVC).
5.Carrier Frequency: 0.5KHz~15.0KHz.
6.Reference Frequency  Source:keypad ,analog input, serial communication, muti-step speed, PID and so on.
7.PID Control Function.
8.Multi-Step Speed Control Function:8 steps speed can be set.
9.Traverse Control Function.
10.Non-Stop when power is instantaneously cut off.
11.Torque Control Function:Provide multiple torque setting source.
12.Speed trace Function:start the running motor smoothly  General Purpose Frequency Inverter B503D 187V`253V Key:User defineds shortcut key can be realized.
13.Protections:over current , over voltage, under voltage, over heat , phase failure,  over load etc.

Wiring Diagram

General Purpose Frequency Inverter B503D 187V`253V

Textile machinery , plastic machinery , ceramic machinery , electric machinery , numerical control machine , foodstuff processing machinery , light industry , pharmacy machinery , fan , water pump , air compressor , etc.


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