CNS 3989-1991
Low Voltage Motor Control Centers (English Version)
- Standard No.
- CNS 3989-1991
- Language
- Chinese, Available in English version
- Release Date
- 1991
- Published By
- Taiwan Provincial Standard of the People's Republic of China
- Latest
- CNS 3989-1991
- Scope
- This standard is applicable to motors and resistors and other loads in circuits with a frequency of 60 Hz or 50 Hz and an AC rated voltage of 600V or less, for the purpose of switching and protection. (Hereinafter referred to as the control center) Remarks 1. For DC applications, applicable items in this standard should be used as much as possible. 2. For those who use solid-state electronic main circuit breakers, this standard shall apply to the applicable parts.
CNS 3989-1991 history
- 1991 CNS 3989-1991 Low Voltage Motor Control Centers
