... lights, display the working condition and failure cause of voltage regulator, to convenient maintenance ontime. 2. PC board adopLs SMD paster ... alloy, radiating effect very good, small size, 100% booster fan airflow heat dissipation. 6. Input type: 4-20mA, DC1 DC2-10V ... overheating bring sotp output to protection switches, and protect voltage regulator. 8. Operating temperature - 10°C - 65°c 9. The ...