Guangdong, China
Business Type:
Number of Employees:
Year of Establishment:
Management System Certification:
ISO9001:2008, ISO14001:2004
OEM/ODM Service
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Frequency Inverter, Variable Frequency Inverter, Variable Frequency Drive manufacturer / supplier in China, offering Variable Frequency Inverter, Frequency Inverter 50Hz to 60Hz 220V to 380V with MPPT Function, 220V 380V Three Phase AC Frequncy Inverter and so on.

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Variable Frequency Inverter

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Min. Order / Reference FOB Price
10 Pieces US $120/ Piece
Production Capacity: 5000 /Month
Transport Package: Carton/ Pallet
Payment Terms: L/C, T/T, D/P, Money Gram, Western Union
Application: General Transducer
Output Type: Triple
Principle of Work: V/F Control Transducer
Switch Mode: PWM Control
Main Circuit Type: Voltage
Colour: Black

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Basic Info

Model NO.: B503 Series variable frequency inverter
Output Frequency: 0~50Hz/60Hz
G/W: 2kgs
Usage: AC Motor Vector Inverter
Trademark: BEDFORD
Specification: CE
Origin: China Guangzhou

Product Description

Famous BEDFORD years of variable frequency inverter
B503 Series variable frequency inverter
Product Brief
B503 series variable frequency inverter adopts DSP control system which supplies Sensorless Vector Control (SVC) and V/F control. Comparing with V/F control ,the performance of DSP has greater superiority, which consists of inbuilt SVC and V/F control accuracy, it is widely applied to high speed control accuracy, rapid torque response and high performance at low frequency.
Main Control Function
Control Mode :Sensorless Vector Control (SVC),V/F Control
Overload Capacity :60s with 150% of rated current , 10s with 180% of rated current.
Starting Torque : 150% of rated torque at 0.5Hz (SVC).
Speed Adjusting Range : 1:100(SVC)
Speed Accuracy :±0.5% of maximum speed (SVC)
Carrier Frequency :0.5kHz~15.0kHz variable frequency inverter
Reference Frequency Source: keypad ,analog input , serial communication,
multi-step speed ,PID and so on.The combination of multi-modes and 
switching between different modes can be realized.variable  frequency inverter
Torque Control Function :Provide multiple torque setting source.
PID Control Function. 
Multi-Step Speed Control Function :8 steps speed can be set.
Traverse Control Function.
Non-Stop when power is instantaneously cut off.
Speed trace Function :Start the running motor smothly..5.
Key :User defined shortcut key can be realized. variable frequency inverter
AVR: Can output constant voltage automatically when input voltage is fluctuating.
Offer RS485 serial communication interface.Standard ModBus.
Over-troque Detection Function. variable frequency inverter
B503 series variable frequency inverter (Output frequency range is 0~600Hz):
Textile machinery ,plastic machinery ,ceramic machinery, electric machinery, numerical control machine, foodstuff processing machinery, Light industry, Pharmacy machinery, Fan, Water pump, Air compressor, etc.
Power Range: 
Single phase 220V 1HP~3HP(0.75KW~2.2KW)  
Three phase  220V 1HP~75HP(0.75KW~55KW)  
Three phase  380V 1HP~860HP(0.75KW~630KW)

 Selection guide for variable frequency inverter

Variable Frequency Inverter
  Typical Wiring Diagram for variable frequency inverter 
Variable Frequency Inverter
 Image of our factory

Variable Frequency Inverter
Why Always BEDFORD???
1.Professional--21 years Professional variable frequency inverter Export, 8 years manufacturer ExperiencePatent products
2.Reliable--6 years Alibaba Gold Supplier
3.Hi-tech--Advanced R&D Team
4.Certifications--Applied with CE, ISO 9001, ISO14001
5. Good quality--BEDFORD Brand
Our factory produces all kinds of inverters, water pump inverters, solar inverters. we are happy to serve you from all over the world. pls let us talk now.


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