nader NDW3 Series Manual page 73

4.7.1 Mechanical interlocking
 Mechanical interlocking mechanism can be used for interlocking of the drawout circuit breaker
and the fixed circuit breaker;
 Interlocking mechanism shall be installed by users. First, demount the nut for connecting the rear
part of the interlocking device with four combination screws; then, fix the interlocking mechanism on the
right-side plate of the circuit breaker with four combination screws.
Internal & confidential file
File No.:NDT2920202
第 73 页 共 149 页
File Version:4