DC thirteen 43A Regulator 600W Switching Power Supply Transformer For Monitoring Security Intercom Access Control System SMPS switching energy supply output power:600w To ensure the life of the flexibility supply, pls do not use complete load when you use it We put forward the use energy ought to be 80% of the rated power example: the label of the power supply is 600W, use power must be : 600W*80%=480W Feature&Advantages: High efficiency, excessive reliability and low cost Switch input voltage fluctuate choice 100% full load and machine verify Protection characteristics: quick circuit/overloa Cooling by means of fan