B503D Series
General Purpose Frequency Inverter
Input&output power range:
Single phase 220V input/three phase 0~220V output :0.75~2.2kw
Three phase 220V input/three phase 0~220V output :3.7~55kw
Three phase 380V input/three phase 0~380V output :0.75~630kw

Features
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 Torque: 150% of rated torque at 0.5Hz(SVC)
4.Speed Adjusting Range: 1:100(SVC)
5.Speed Accuracy: ±0.5% of maximum speed (SVC)
6.Carrier Frequency:0.5KHZ~15.0KHZ
7.Reference Frequency Source:keypad, analog input, serial communication,multi-step speed,PID and so on.
8.PID Control Function
9.Multi-Step Speed Control Function: 8 steps speed can be set
10.Traverse Control Function
11.Non-Stop when power is instantaneously cut off
12.Torque Control Function:Provide multiple torque setting source
13.Protections: over current,over voltage, under voltage,over heat,phase failure,over load etc.



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