Wenzhou Ourvis Electronic Technology Co., Ltd. is a wenzhou ourvis electronic technology co., ltd. based in Wenzhou , China. Wenzhou Ourvis Electronic Technology Co., Ltd. is a member of exporthub.com since November, 2010. Our business is related to Industrial Machinery industry and we specifically deal in change over switch ,transfer switch ,mccb. Please find our product details below:auto change over switch 125a-3150achange over switch1. Under voltage, over voltage, loss phase protection voltage of 400V, rated current 16A3200AAutomatic transfer switch OVGLD-G (general type):OVGLD-G series automatic transfer switch suitable for AC50HZ , rated voltage 380V, DC rated voltage up 220V, rated electric current to switch is used in the infrequent on and off circuit.Performance characteristics: electrical engineering integrity which allows auto-control without external controller world high-tech logic control circuit with strong anti-jamming and no environmental interference.3. The mechanism with spring powered accumulator applied in the switch main body, which allows for zero electrical arc by the feeler connection and disconnection.4. The products have three poles, four poles , and (three poles + on and off neural pole)5. Current grades can be divided into 100A160A250A630A1000A1250A1600A.2000A2500A3200A6. 3 control modes(RBC)7. R. Municipal power supply- Municipal power supply, automatic change and automatic recovery, protection of missed phase.8. B. 125A up to 630A Municipal power supply-Municipal power supply, automatic change and automatic recovery, over voltage or lower-voltage function.9. C. Municipal power supply-oil generator, automatic change and automatic recovery. Having the functions of over-voltage or lower-voltage of phase shortage protection and frequency detection.10. The switches can be padlocked to keep the position status11. To use key to switch to select operation.Rated current Ith 20A 40A 60A 80A 100A 125A 160A 250A 400A 630A 800A 1000A 1250A 1600A 2000A 2500A 3200A Rated insulation voltage Ui 750V 1000V Rated concussion withstand voltage