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Vacuum Circuit Breakers
VS1-12 Indoor Vacuum Circuit Breaker
The VS1-12 is an indoor vacuum circuit breaker designed for installation in medium voltage switchgear cabinets. Used as a primary switching device in substations and industrial distribution systems.
Key Features
- 12kV rated voltage — indoor installation
- Up to 2500A rated current
- 31.5kA breaking capacity
- Draw-out or fixed mounting options
- Suitable for switchgear cabinet integration
- Mechanical life: 20,000 operations
Technical Specifications
| Rated Voltage | 12 kV |
| Rated Current | 630A / 1250A / 2500A |
| Rated Short-Circuit Breaking Current | 25 / 31.5 kA |
| Rated Peak Withstand Current | 80 kA |
| Mechanical Life | 20,000 operations |
| Power Frequency Withstand Voltage | 42 kV |
| Lightning Impulse Withstand Voltage | 75 kV |
| Mounting Type | Draw-out / Fixed |
Applications
Indoor switchgear cabinets (KYN28, KYN61)Substation primary switchingIndustrial power distributionGenerator circuit protection
Standards Compliance
IEC 62271-100GB 1984
Reply within 12hISO / CE / CCC CertifiedOEM Available
Related Products
ZW32-12 Outdoor Vacuum Circuit Breaker
The ZW32-12 is a pole-mounted outdoor vacuum circuit breaker rated at 12kV, widely used in rural and urban power distribution networks. Features a compact spring-operated mechanism for reliable switching operations.
ZW32-24 Outdoor Vacuum Circuit Breaker (24kV)
The ZW32-24 extends the proven ZW32 platform to 24kV rated voltage, designed for higher voltage distribution networks. Ideal for applications requiring enhanced insulation levels.
Frequently Asked Questions
What is the rated voltage of the VS1-12 Indoor Vacuum Circuit Breaker?
The VS1-12 Indoor Vacuum Circuit Breaker has a rated voltage of 12 kV. Please refer to the technical specifications table above for complete electrical ratings.
What is the lead time for VS1-12 Indoor Vacuum Circuit Breaker?
Standard lead time for the VS1-12 Indoor Vacuum Circuit Breaker is approximately 30 days. Larger quantities or custom configurations may require additional production time. Contact our sales team for a precise delivery schedule.
Can the VS1-12 Indoor Vacuum Circuit Breaker be customized for OEM projects?
Yes, NAIJI Electric offers OEM and custom manufacturing for the VS1-12 Indoor Vacuum Circuit Breaker. We can adjust specifications, branding, and configurations to meet project-specific requirements. Minimum order quantities apply.
What standards does the VS1-12 Indoor Vacuum Circuit Breaker comply with?
The VS1-12 Indoor Vacuum Circuit Breaker is designed and tested in accordance with IEC 62271-100, GB 1984. All products undergo rigorous factory testing before shipment.
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