Recent News

2018 Price Adjustment Announcement

2018 Price Adjustment Announcement In recent years, mainland China has promoted economic transformation with Supply-side Structural Reform as their economic development focus. In addition, strict...…

Continue Reading

FAQ

Location:Home > News & Resources > FAQ

What is the difference between -V and COM which are marked on the output side?

Date:2017-10-18 Hits:296
What is the difference between -V and COM which are marked on the output side?

What is the difference between -V and COM which are marked on the output side?


        COM (COMMON) means common ground. Please see below:

Single output: Positive pole (+V), Negative pole (-V)
Multiple output (Common ground): Positive pole (+V1, +V2,.), Negative pole (COM)