Changshu Switchgear CV1-24 / CV2-24 Indoor High-Voltage Vacuum Circuit Breaker Technical Specification

Technical specification manual for Changshu Switchgear CV1-24 and CV2-24 indoor high‑voltage vacuum circuit breakers, covering features, ratings, dimensions…


Changshu Switchgear CV1-24 / CV2-24 Indoor High-Voltage Vacuum Circuit Breaker Technical Specification - cover page
Brand
Changshu Switchgear
Document type
Product Leaflet
Language
Chinese
Pages
32
File format
PDF
File size
5.7 MB
Published
28 September, 2026
Updated
28 September, 2026
MD5 checksum
13EE6254B02FFCF221A39FAAE7DA7CE8

About this manual

The CV1-24 (insulated‑tube type) and CV2-24 (solid‑insulated‑embedded pole type) are indoor high‑voltage vacuum circuit breakers designed for 24 kV AC networks in industrial plants and substations. They provide reliable control and protection, supporting both fixed and withdrawable (hand‑car) configurations.

The manual lists the rated voltage, current, short‑circuit breaking capacity, environmental limits, dimensions, mounting details and optional accessories such as charging motors and shunt release devices. It also references the applicable national and IEC standards. This manual is written in Chinese.

What's inside

  • Overview
  • Normal Service Conditions
  • Structure Feature
  • Basic Technical Parameters
  • Accessories
  • Dimensions and Mounting
  • Earthing Mode for Withdrawable Type
  • Ordering Notice

Specifications

Rated Voltage24 kV
Rated Current630 A ~ 3150 A
Rated Short‑Circuit Breaking Current25 kA ~ 40 kA
Power‑Frequency Withstand Voltage (1 min)65 kV
Lightning Impulse Withstand Voltage (peak)125 kV
Operating Frequency50 Hz

Frequently asked questions

What is the rated voltage of the CV1‑24 and CV2‑24 circuit breakers?

The rated voltage is 24 kV.

Can the breakers be installed in a KYN28 A‑24 switchgear cabinet?

Yes, both fixed and withdrawable types can be installed in KYN28 A‑24 cabinets.

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