Made in the streamlined international NPT and SPT chip Typical application: 1.AC and DC electric motor control 2.Frequency transformer 3.UPS 4.Industry calefaction power supply 5.Electric welding machine Characteristic: 1.SPT chip (soft-p... - Update: 2007-09-18

Characteristic: 1.Protection function in excessive current, excessive heat and phase-lack 2.Linear controlled steady voltage circuit 3.It may be controlled by hand, meter adjustment and computer 4.German glass passivation chips a??ZKH Vacuum weld... - Update: 2007-09-18