... (others on request) 5.CE 1. TC Step-up/down transformer:TC Step-up/down transformer is specially designed for such electroelectronic equipment whose ... is an ideal of AC step-up/down power supply,with advantages of no waveform distortion,High efficiency,elegant appearance,ease of ... energy 95%, fast starting, quick response, fully protection, high precision output voltage 4. How to use the converter:1 ...