ATS-CB-250
CB Class Series • 250A
ATS-CB-250 is a 250A automatic transfer switche manufactured by Shandong Yaqing Electric Power Technology Co., Ltd. (QDTB) in Qingdao, China, designed and tested in accordance with IEC 60947-6-1, GB/T 14048.11. Available on FOB Qingdao terms; datasheet, routine test report and GA drawing issued with each unit.
Technical Specifications
| Model | ATS-CB-250 |
|---|---|
| Rated Capacity | 250A |
| HV Voltage | 0.4 kV |
| Frequency | 50 Hz |
| Applied Standard | IEC 60947-6-1, GB/T 14048.11 |
Product Image & Parameters

Images are for illustration purposes only
ATS-CB-250
CB Class Series
Product Drawing
Electrical Equipment - ATS-CB-250
SPECIFICATIONS
Note: This is a general product illustration. For detailed technical drawings and specifications, please contact our engineering team.
Product Description
250A CB-class automatic transfer switch, 400V, two circuit breakers with interlock, main-to-backup changeover for critical facilities.
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ATS-CB-250 - Frequently Asked Questions
QWhat are the main applications of ATS-CB-250?
ATS-CB-250 (CB Class series, Automatic Transfer Switches) is widely used in power distribution systems, industrial control and infrastructure projects. Can be flexibly configured according to actual project requirements.
QWhat are the main technical specifications of ATS-CB-250?
Key specifications: Capacity: 250A, Frequency 50 Hz, Standard IEC 60947-6-1, GB/T 14048.11.
QHow to get a quote and technical documentation?
Contact via the "Send Inquiry" button below, or contact sales at Alice@qdtb-transformer.com / +86 13698683193. We provide detailed quotations and technical documentation instantly.
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