Gold Member Since 2009
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Guangzhou Bedford Electric Equipment Co., Ltd.

Ac Drive, Ac Inverter, Motor Drive manufacturer / supplier in China, offering Famous Bedford Years of Strong Quality Sensorless Vector AC Drive, 220V/380V Solar Water Pump Inverter Without Battery, Automatic AC Variable Frequency Inverter Single Phase 220V and so on.

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Supplier Homepage Product Vector Sensorless frequency inverter/VFD Famous Bedford Years of Strong Quality Sensorless Vector AC Drive

Famous Bedford Years of Strong Quality Sensorless Vector AC Drive

FOB Price: Get Latest Price
Min. Order: 10 Pieces
Production Capacity: 5000 /Month
Transport Package: Carton/ Pallet
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: B503 Series AC drive
  • Output Type: Triple
  • Switch Mode: PWM Control
  • Colour: Black
  • G/W: 2kgs
  • Trademark: BEDFORD
  • Origin: China Guangzhou
  • Application: General Transducer
  • Principle of Work: V/F Control Transducer
  • Main Circuit Type: Voltage
  • Output Frequency: 0~50Hz/60Hz
  • Usage: AC Motor Vector Inverter
  • Specification: CE
Product Description
Famous BEDFORD years of AC drive

B503 Series AC drive

Product Brief
B503 series AC drive 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 AC drive
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. AC drive
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. AC drive
AVR: Can output constant voltage automatically when input voltage is fluctuating.
Offer RS485 serial communication interface. Standard ModBus.
Over-troque Detection Function.

B503 series AC drive (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 AC drive

Typical Wiring Diagram for AC drive

Image of our factory

Why Always BEDFORD? ? ?

1. Professional--21 years Professional AC drive Export, 8 years manufacturer Experience, Patent 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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Ms. Diana Shen
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