This document introduces the features and characteristics of the new generation 3WT air circuit breakers from Siemens, including flexibility, ease of use, and safety and reliability.
The Siemens 3WT air circuit breaker is designed for universal, safe, and intelligent power distribution in buildings, factories, and infrastructure. It offers a flexible range of frame sizes from 400A to 4000A with options for fixed or withdrawable installation.
Key features include electronic trip units (ETU) with Chinese LCD displays, modular design for easy configuration, and compliance with international standards. The product line supports various applications including wind power, photovoltaic systems, smart buildings, and electric vehicles. This manual is written in Chinese.
| Rated Current (In) | 400A to 4000A |
|---|---|
| Maximum Short-Circuit Breaking Capacity | 66kA |
| Installation Type | Fixed or Withdrawable |
| Rated Working Voltage (Ue) | 690V AC and below |
| Mechanical Life (No Maintenance) | 10,000 operations |
The product line includes frame sizes ranging from 400A to 4000A.
Yes, it is available in both fixed and withdrawable installation types.