Automatic AC Variable Frequency Drive

• Task: Adjust
• Structure: Open-Loop
• Mathematical Model: Non-Linear
• Signal: Continuous
• Function: Automatic Control
• Certification: ISO: 9001, CE
• Model NO.: B503
• Condition: Used
• Customized: Non-Customized
• Material: Aluminum Alloy
• Color: Black
• Characteristics: Special Designed for Water Pump
• Special: Constant Pressure Control
• Transport Package: CTN or Wooden Case
• Specification: Single Phase/Three Phase 220V/380v 1~3HP
• Trademark: BEDFORD
• Origin: Guangzhou, China
• Production Capacity: 50000PCS/Year

Product Description

B503 Series General Purpose Frequency Inverter
B503D
Input power range:
Single phase220V: 0.75~2.2KW
Three phase220V:3.7~55KW
Three phase380V: 0.75~630KW
 
Output power range
Three phase 0~220V: 0.75~2.2KW
Three phase 0~220V: 3.7~55KW
Three phase 0~380V: 0.75~630KW
 
B503B
Input voltage & Output power voltage
Single phase 220V: 0.75~2.2KW
Three phase 220V: 3.7~5.5 KW
Three phase 380 V: 0.75~15KW
 

Features
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
Reference Frequency Source: keypad, analog input, serial communication, multi-step speed, PID and so on
PID Control Function
Multi-steps Speed control Function: 8 steps speed can be set
Traverse Control Function
Non-stop when power is instantaneously cut off
Torque Control Function: Provide multiple torque setting source
Speed trace function: start the running motor smoothly      .      Key: User defined shortcut key can be realized
Protections: over current, over voltage, under voltage, over heat, phase failure, over load etc.
 

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

Guide selection