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Vacuum Circuit Breakers
Indoor medium-voltage vacuum circuit breakers designed for switching, protection and control applications in utility, industrial and infrastructure power systems.
TOONICE provides fixed, withdrawable and side-mounted vacuum circuit breakers for 12 kV, 17.5 kV, 24 kV and 40.5 kV rated-voltage classes, with configurations for different switchgear designs and project requirements.
Project-based configurations are available according to system voltage, rated current, short-circuit level, installation arrangement, mechanical interface, electrical interlocking and switchgear requirements.
12–24 kV Indoor Vacuum Circuit Breaker
Indoor medium-voltage vacuum circuit breaker available in fixed and withdrawable configurations for switching, protection and control in 12 kV, 17.5 kV and 24 kV switchgear applications.
Typical Use
- Utility Distribution
- Industrial Power Systems
- Medium-Voltage Switchgear
Key Information
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Installation
Fixed / Withdrawable
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Standard
IEC 62271-100
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Configuration
Project-Based
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Voltage Level
12 / 17.5 / 24 kV
12–24 kV Side-Mounted Vacuum Circuit Breaker
Fixed side-mounted vacuum circuit breaker for 12 kV, 17.5 kV and 24 kV medium-voltage switchgear, designed for compact layouts and project-specific left- or right-hand installation arrangements.
Typical Use
- Compact Switchgear
- Industrial Power Systems
- Project-Specific Layouts
Key Information
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Installation
Fixed Side-Mounted
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Standard
IEC 62271-100
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Configuration
Left / Right
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Voltage Level
12 / 17.5 / 24 kV
40.5 kV Indoor Vacuum Circuit Breaker
40.5 kV indoor vacuum circuit breaker in withdrawable configuration for switching, protection and control in metal-clad medium-voltage switchgear applications.
Typical Use
- Utility Distribution
- Industrial Facilities
- 40.5 kV Switchgear
Key Information
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Installation
Withdrawable
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Standard
IEC 62271-100
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Configuration
Project-Based
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Voltage Level
40.5 kV
Documentation & Engineering Support
Documents available for project review and engineering coordination.
- Drawings
- Technical Data Sheets
- Routine Test Records
- Inspection Reports
- Certificates
Frequently Asked Questions
What vacuum circuit breaker products does TOONICE provide?
TOONICE provides 12–24 kV indoor vacuum circuit breakers, 12–24 kV side-mounted vacuum circuit breakers and 40.5 kV indoor vacuum circuit breakers, covering fixed, withdrawable and side-mounted configurations.
What voltage classes are available for TOONICE vacuum circuit breakers?
TOONICE vacuum circuit breakers are available in 12 kV, 17.5 kV, 24 kV and 40.5 kV rated-voltage classes.
What is the difference between fixed, withdrawable and side-mounted vacuum circuit breakers?
Fixed breakers are permanently installed in the switchgear. Withdrawable breakers are mounted on a truck and can be racked out for isolation, testing and maintenance. Side-mounted breakers are fixed units with the operating mechanism arranged beside the poles, suited to compact switchgear layouts and available in left- or right-hand arrangements.
Can TOONICE provide project-specific vacuum circuit breaker configurations?
Yes. Configurations can be provided according to system voltage, rated current, short-circuit level, installation arrangement, mechanical interface, electrical interlocking and switchgear requirements.
What technical documents are available for project review?
Available documents may include drawings, technical data sheets, routine test records, inspection reports and certificates according to project requirements.
Need technical information?
Access product catalogues and technical documents for product selection and project review.
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MV & LV Equipment Manufacturer · Wenzhou, China
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