The BK series control transformer is suitable for use in AC circuits ranging from 50Hz to 60Hz. It serves as a control power supply for general electrical appliances in machine tools and mechanical equipment, as well as for local lighting and indicator lights.
The product complies with JB/T9646 standard.
Model and its meaning
Some common BK transformer models include:
BK-25VA,BK-50VA,BK-100VA,BK-150VA,BK-200VA,BK-300VA,BK-400VA
BK-500VA,BK-700VA,BK-1000VA,BK-1500VAMBK-2000VA,BK-3000VA
specifications
1. Rated capacity: 25 VA、50VA、100VA、150VA、200VA、250VA、300VA、400VA、500VA、700VA、1000VA、1500VA、2000VA、3000VA、5000VA。
2. Primary voltage: 220V, 380V or depending on user needs;
Secondary voltage: 6.3V, 12V, 24V, 36V, 110V, 127V, 220V, 380V or depending on user requirements.
Appearance and installation dimensions

The operating environment of this series of transformers
The ambient air temperature ranges from -5 ℃ to+40 ℃, with the highest monthly average temperature not exceeding+30 ℃;
The installation location shall not exceed an altitude of 1000m
The relative humidity of the atmosphere does not exceed 50% when the ambient air temperature is+40. At lower temperatures, there can be relatively high relative humidity, with an average maximum humidity of 90% in the wettest month and an average minimum temperature of+25 ℃.
If you would like to learn more about the BK series control transformers, such as product manuals, specifications, prices, maintenance, and other information, please contact us.