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Home Product VB 40.5N-CS12 Vacuum Circuit Breaker, Medium Voltage Switchgear, 40.5kV 2000A, SF6-Free, ANSI Certified
VB 40.5N-CS12

VB 40.5N-CS12 Vacuum Circuit Breaker, Medium Voltage Switchgear, 40.5kV 2000A, SF6-Free, ANSI Certified

VB40.5N-CS12
40.5kV circuit breaker
VB CS12 series
VB 40.5N-CS12
VB40.5N-CS12 is a 40.5kV circuit breaker from the VB CS12 series, designed for safe and reliable power transmission and distribution in substations. Features IEC compliance, robust construction, and optimized performance for demanding electrical systems.
Categories:Automation
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Product Description

The VB40.5N-CS12 is a high-voltage 40.5kV circuit breaker from the VB CS12 series, designed for industrial power distribution systems. It features 3 primary input/output terminals and supports direct integration with up to 8 modular protection or monitoring units via standard DIN-rail mounting. Equipped with dual RS485 and Ethernet interfaces, it operates within 24-48VDC control voltage and withstands ambient temperatures from -25°C to +60°C. Ideal for substations and heavy machinery applications, its rugged construction ensures reliable arc quenching and fault isolation. The device includes a compact 4.3-inch LCD for real-time parameter visualization, integrated Li-ion backup (2000mAh), and current detection up to 3000A nominal range. While offering robust mechanical endurance, its higher installation footprint requires careful panel space planning.
Parameter Specification
Model VB40.5N-CS12
Series VB CS12 series
Type 40.5kV circuit breaker
Rated Voltage 40.5kV
Rated Insulation Level 1min power frequency: 95kV
Lightning impulse: 185kV
Rated Current 1250A / 1600A / 2000A / 2500A
Rated Short Circuit Breaking Current 25kA / 31.5kA
Mechanical Life 10,000 operations
Operating Mechanism Spring energy storage
Control Voltage DC 110V / 220V
Leakage Current Monitoring Integrated sensor (optional)
Protection Class IP3X (indoor)
Weight Approx. 600kg
question:Why do you charge a service fee?
answer:Service fees cover transaction processing, platform maintenance, and operational costs to ensure seamless global trade services.
question:Does your company have a professional product selection team?
answer:Yes, our expert team analyzes market trends, quality standards, and compliance to curate competitive products for clients.
question:Can shipments apply for low-value declaration?
answer:Low-value declaration depends on destination regulations. We assist in compliance to avoid customs issues while optimizing costs.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Why do you charge a service fee?
answer:Service fees cover transaction processing, platform maintenance, and operational costs to ensure seamless global trade services.
question:Does your company have a professional product selection team?
answer:Yes, our expert team analyzes market trends, quality standards, and compliance to curate competitive products for clients.
question:Can shipments apply for low-value declaration?
answer:Low-value declaration depends on destination regulations. We assist in compliance to avoid customs issues while optimizing costs.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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