Key facts
- Manuals
- 5
- Languages
- ZH
- Last added
- 2026-10-01
Featured Changshu Switchgear manuals
Changshu Switchgear CW2 Series Intelligent Universal Circuit Breaker Product Manual
The CW2 series intelligent universal circuit breakers are designed for 50 Hz/60 Hz AC distribution networks with rated voltages of 400 V or 690 V and rated currents up to 6300 A. They offer high‑breaking capacity, zero‑arc operation, isolation functions and a range of intelligent controllers for enhanced protection and monitoring.
The document includes a detailed table of contents covering type definitions, structural synopsis, main technical indices, wiring diagrams, mounting dimensions, communication options (Modbus‑RTU, Profibus, DeviceNet, CAN, Ethernet) and ordering information, making it a comprehensive guide for engineers and installers. This manual is written in Chinese.
Covers: 型号含义 · 断路器结构简介 · 主要技术指标 · 智能控制器 · 附件 · 断路器主回路接线铜排规格参考表
Changshu Switchgear CW1 Series Intelligent Universal Circuit Breaker User Manual
The CW1 series intelligent universal circuit breaker is designed for low‑voltage distribution networks and can serve as a main switch, motor protector, transformer or busbar protector. It is available in fixed and draw‑out types, with current ratings from 630 A to 5000 A and short‑circuit breaking capacities of 80 kA‑120 kA.
The device supports multiple communication protocols (Modbus‑RTU, Profibus, DeviceNet, CAN and Ethernet) via optional adapters, and offers configurable intelligent controllers with overload, short‑circuit and ground‑fault protection. Environmental limits include operation from –5 °C to +40 °C and storage from –40 °C to +70 °C. This manual is written in Chinese.
Covers: 结构简介 · 主要技术指标 · 智能控制器特性 · 接地故障保护电路 · 电气附件 · 机械附件
Changshu Switchgear CAP3 Series Automatic Transfer Switch Installation Guide
The CAP3 series automatic transfer switch (ATSE) from Changshu Switchgear is designed for critical power supply applications such as data centers, hospitals, airports and industrial plants. It operates on 50/60 Hz AC systems, supports voltages of AC230/240 V and AC400/415 V, and handles currents from 16 A up to 4000 A, providing continuous and reliable power by quickly switching between sources.
The guide covers product overview, normal operating conditions, mechanical structure, detailed technical specifications, functional features, model designations, installation clearances, wiring diagrams, conductor sizing, torque requirements and ordering instructions. It also describes the smart communication options (DeviceNet, Profibus‑DP, CAN, TCP/IP, WIFI) and cloud connectivity. This manual is written in Chinese.
Covers: Overview · Normal Operating Conditions · Structure Overview · Technical Specifications · Function Introduction · Model Designations
Changshu Switchgear CM5 Series Molded Case Circuit Breaker Product Catalogue
The Changshu Switchgear CM5 series offers a modular, high‑breaking‑capacity molded case circuit breaker family for low‑voltage distribution systems. Models include the standard CM5/CM5L, the residual‑current protected CM5L/CM5ZL, and the high‑performance CM5Z series, all featuring interchangeable hot‑magnetic and electronic trip units.
The catalogue provides detailed product overviews, normal operating and installation conditions, technical performance tables, quick‑selection charts, accessory codes, wiring diagrams, and optional communication modules such as Modbus‑compatible monitoring units. Safety clearances, IP protection levels, mechanical and electrical life ratings, and high‑voltage options are also documented. This manual is written in Chinese.
Covers: Application Areas · Product Series Overview · Normal Operating and Installation Conditions · Main Technical Performance Indicators · Quick Selection Table · Internal Accessory Installation Positions and Codes
Latest Changshu Switchgear manuals
Changshu Switchgear CW2 Series Intelligent Universal Circuit Breaker Product Manual
User Manual 145 pages · 23.7 MB · ZHThe manual provides specifications, installation instructions, wiring diagrams and intelligent controller features for the CW2 series intelligent universal…
Changshu Switchgear CW1 Series Intelligent Universal Circuit Breaker User Manual
User Manual 91 pages · 8.2 MB · ZHTechnical manual for the CW1 series intelligent universal circuit breaker, covering specifications, installation, wiring and communication options.
Changshu Switchgear CAP3 Series Automatic Transfer Switch Installation Guide
Installation Guide 75 pages · 21 MB · ZHThe CAP3 series ATSE is a PC‑level automatic transfer switch for 50/60 Hz AC230/240 V or AC400/415 V, rated 16 A‑4000 A, offering millisecond switching and…
Changshu Switchgear CM5 Series Molded Case Circuit Breaker Product Catalogue
User Manual 201 pages · 9.6 MB · ZHComprehensive catalogue of Changshu Switchgear CM5 series molded case circuit breakers with technical specs, installation guidance and communication options.
Changshu Switchgear CV1-24 / CV2-24 Indoor High-Voltage Vacuum Circuit Breaker Technical Specification
Product Leaflet 32 pages · 5.7 MB · ZHTechnical specification manual for Changshu Switchgear CV1-24 and CV2-24 indoor high‑voltage vacuum circuit breakers, covering features, ratings, dimensions…
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Installation Guide
Mounting, wiring and first power-up. Read it before the hardware goes in.
Questions answered in Changshu Switchgear manuals
What are the rated working voltages of the CW2 series?
The CW2 series is rated for 400 V or 690 V AC.
From: Changshu Switchgear CW2 Series Intelligent Universal Circuit Breaker Product Manual
What is the maximum rated current for these breakers?
They are rated for up to 6300 A, or lower currents as required.
From: Changshu Switchgear CW2 Series Intelligent Universal Circuit Breaker Product Manual
What voltage levels does the CAP3 series support?
It supports AC230/240 V for 2‑pole units and AC400/415 V for 3‑ or 4‑pole units.
From: Changshu Switchgear CAP3 Series Automatic Transfer Switch Installation Guide
How fast can the CAP3 series switch between power sources?
The contact switching time is less than 50 ms for 125, 250, 630 and 1600 frames, and less than 75 ms for the 4000 frame.
From: Changshu Switchgear CAP3 Series Automatic Transfer Switch Installation Guide
Does the CM5 series support communication functions?
Yes, the CM5Z/CM5ZL models can be equipped with a monitoring unit that provides Modbus communication, cabinet‑door display, setting and control.
From: Changshu Switchgear CM5 Series Molded Case Circuit Breaker Product Catalogue
What are the IP protection ratings of the CM5 series?
The main body has an IP20 rating, while the terminal cover and motorized operation mechanism achieve IP40.
From: Changshu Switchgear CM5 Series Molded Case Circuit Breaker Product Catalogue