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

Variable Speed Controller, Speed Controller, Variable Controller manufacturer / supplier in China, offering Bedford SVC, V/F Control Transducer Variable Speed Controller, Air-Conditional Chiller Pump Controller B605D Series 380V (IP20), Air-Conditional Chiller Pump Controller B605D Series 220V (IP20) and so on.

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Supplier Homepage Product Vector Sensorless frequency inverter/VFD Bedford SVC, V/F Control Transducer Variable Speed Controller

Bedford SVC, V/F Control Transducer Variable Speed Controller

FOB Price: US $185-2,412 / Piece
Min. Order: 10 Pieces
Min. Order FOB Price
10 Pieces US $185-2,412/ Piece
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Production Capacity: 5000 /Month
Transport Package: Carton/ Pallet
Payment Terms: L/C, T/T

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

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


Applications:
B503 series variable speed 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 variable speed drive



Typical Wiring Diagram for variable speed drive


Image of our factory






Why Always BEDFORD? ? ?

1. Professional--21 years Professional variable speed 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.

Model No.Rated ouptut powerRated input currentRated output currentMotor power
(KW)
Size
1AC 220V
B503-20010.758.24.50.75
1.5
2.2
2.75
1.5
2.2
3.7
5.5
7.5
11
 
A
B503-20021.514.27.01.5B
B503-20032.223102.2B
3AC 220V 15%4.5
B503-10.755.04.50.75A
B503-21.57.771.5B
B503-32.211102.2B
B503-53.717163.7C
B503-75.521205.5C
B503-107.531307.5D
B503-1511434211E
any other spercification,please contact with us....
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