Feature: JJW series Ferro resonant/Precise purifying AC. Power Supply adopts the power regulation technology of sine energy distribution formula, which is advanced in the world and represents the latest development of AC. Stabilizing technology. Its circuit is composed of sine energy distributor and large power wave filter by paralleling. It has the advantages as high accuracy of stabilization, strong overload capacity, high efficiency, successively working for long period and long service time etc., it is an ideal replacement for the 614 series electronic voltage stabilizer and magnetic saturating voltage stabilizer, also it can provide a quiet and reliable working environment. Application: It is suitable in computer network project, electronic instruments, armarium, research, institute, measurement and test device, factory test board and so on. Specification: Phase No.: Single phase Input voltage: 175~260VAC Output voltage: 220VAC Accuracy of voltage: +/-1% Frequency: 50Hz+/-2Hz Efficiency: ﹥90%;90% Response time: <20ms~100ms00ms Ambient Temperature: -10C~+40C Insulation resistance: ﹥2MΩ;2MΩ Waveform distortion: <5%t;5% Protection function: Bypass, Over voltage, over current, over load, time-delay, fault and alarm, short circuit protection etc. Remarks: Custom-made specifications are acceptable.