This document introduces the structure, operation, types, planning, and installation of 3WN6 low-voltage circuit breakers. It also describes in detail the working conditions and installation requirements of the circuit breakers, as well as the functions of the overcurrent tripping device system, short-circuit protection, and ground fault protection. It also includes the planning and installation of fixed and withdrawable circuit breakers, as well as the connection of auxiliary circuits and the short-circuit and ground fault devices.
The manual introduces the 3WN6 low‑voltage circuit breaker, its applications, and technical data. It describes the product’s ratings, short‑circuit capacity, and compliance with standards such as DIN VDE and IEC.
Detailed sections cover wiring diagrams, installation steps, operation procedures, protection settings, and PROFIBUS‑DP communication features. The document also includes maintenance instructions, troubleshooting tips, and part numbers for accessories. This manual is written in Chinese.
| Rated current | 10~2500 A |
|---|---|
| Rated voltage | 690 V / 415 V |
The 3WN6 breaker is rated for currents from 10 A up to 2500 A.
It supports 690 V and 415 V system voltages.
Yes, it includes PROFIBUS‑DP communication capabilities.