Siemens 3WT Air Circuit Breaker Product Brochure

This brochure introduces the Siemens 3WT air circuit breaker series, covering modular designs for ratings up to 4000A with electronic trip units and various…


Siemens 3WT Air Circuit Breaker Product Brochure - cover page
Brand
Siemens
Document type
Product Leaflet
Language
Chinese
Pages
58
File format
PDF
File size
4.6 MB
Published
14 October, 2026
Updated
14 October, 2026
Model
3WT
MD5 checksum
910F046F30D9D102D1897B782B3DE85C

About this manual

The document presents the new generation of Siemens 3WT air circuit breakers, designed as a wise choice for general, safe, and intelligent power distribution. The product line covers ratings from 400A to 4000A (AC) in both fixed and withdrawable configurations. This manual is written in Chinese.

What's inside

  • Introduction
  • General Data
  • Technical Specifications
  • Installation Options
  • Safety Features
  • Dimensions and Weight

Specifications

Rated Current In (50°C)400A to 1600A
Rated Working Voltage Ue690V AC and below
Rated Short-Circuit Breaking Capacity Icu (Option Z)66kA at 690V
Mechanical Life (No Maintenance)10,000 operations
Operating Frequency60 times per hour

Frequently asked questions

What are the installation options for the 3WT circuit breaker?

The breakers are available in both fixed and withdrawable (draw-out) installation types.

Does the electronic trip unit have a display?

Yes, all electronic trip units come standard with a Chinese LCD display.

Download PDF (4.6 MB)

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