Key facts
- Brand
- Siemens
- Model
- 3WT
- Industry
- Industrial
- Documents
- 2
- Languages
- ZH
- Last added
- 2011-09-19
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Siemens 3WT Air Circuit Breaker Technical Data Sheet
The Siemens 3WT air circuit breaker series is designed for currents up to 3200 A and offers modular construction, safety features, and optional electronic trip units. The document provides an overview of the breaker’s mechanical design, operation mechanisms, and available accessories.
Detailed sections describe the electronic trip unit functions, optional auxiliary devices, technical specifications, and installation guidelines, including wiring diagrams and safety interlocks for both drawer‑type and fixed‑type configurations. This manual is written in Chinese.
Siemens 3WT specifications
| Rated current | 630 A – 3200 A |
|---|---|
| Rated voltage | AC 440 V |
| Breaking capacity | 50/65 kA |
| IP protection rating (cabinet door) | IP40 |
| Short‑circuit withstand current | 110 kA (peak) |
Source: Siemens 3WT Air Circuit Breaker Technical Data Sheet
All Siemens 3WT documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the rated current range of the Siemens 3WT breaker?
The 3WT series is rated for currents from 630 A up to 3200 A.
Can the 3WT breaker be operated manually, electrically, or both?
It can be equipped with manual, electric, or combined manual‑electric operating mechanisms, including drawer‑type and fixed‑type options.