... point may optionally adjust5. Double way output voltage may use in series and parallel connection6. All are plastic plate, the exterior is ... may optionally adjust 5. Double way output voltage may use in series and parallel connection6. All are plastic frame, the exterior is ... weight: 290×260×155 Shanghai CET Group have 7 branches in China to produce:Circuit breaker: mcb, rccb, mccb, rcbo.AC ...