1. Use the proportion way to output, low 5% harmonic, reach IEEE519 are strict with the standard. Compliance with IEEE 519 and other Power Quality standards.    
2. Used in constant temperature and humidity systems, reach low harmonic power quality.    
3. This controller protector:     
* The input main power loses the one phase.     
* The fuse break and checks the notice.     
* This controller heat sink exceeds temperature to protect.     
* Unusually output the contact, offer the distant place to monitor and use, the capacity 240VAC/5A of contact.    
4. This controller is tally with CE international quality standard confirmation.    
5. It has R.S.T. one phase’s fuse wire broken LED light, and offer a output point for abnormal condition, also can be emergency control for the system.    
6. Cooling fans has temperature control, the cooling sheet working at 55C, and stop at 45C, this design can extend use-life of fans 2-3 times.    
7. New low harmonic series Thyristor power regulator, allowing the original source to reduce harmonics, reduce costs, active filters price of about 1 Amp USD $ 170 ~ 270, this low harmonic series Thyristor power regulator, as long as it's 1 / 20 the price.  
   
Specification  
Main power: AC 220V 380~480V ±10%  
   
Auxiliary voltage: AC 220V ±15% 50/60Hz  
   
Rated current: 25A 35A 50A 60A 80A 100A 125A 160A 180A 200A 225A 250A 300A 350A 400A 600A 750A  
   
Work frequency: 47~63Hz  
Output type: Percentage output.  
Input control signal: 4-20mA, 0-5V, 1-5V, 0-10V, 2-10V.  
Output range: 0~100%  
Environment: -10°C~50°C Humidity Under 90% RH.  
Insulation resistance: Over 20 MΩ (power & external cover) Over 20 MΩ (input signal & external cover).  
Strength of press-resisted: 2500VAC/1min between power & external cover 1000VAC/1min between power & external cover.