PUTAI's circuit breakers provide critical circuit protection with precision interruption capabilities, engineered for high-voltage applications requiring reliable fault isolation.

Insulation Component
ALL Inflatable Cabinet Bushing Series Contact Box Wall Bushing Sensors Embedded Poles Epoxy Insulator Elbow Plates Series
Switchgear
ALL Vacuum Circuit Breaker (VCB) Load Switch Disconnecting Switch Earthing Switch / Grounding Switch Switchgear
Protection Equipment
ALL Fuses Surge Arresters
Transformer
ALL Distribution Transformer Dry Type Transformer Oil-Immersed Transformer
Cable Accessories
ALL Cold Shrink Cable Accessories Heat Shrink Cable Accessories High Voltage Cable Plug and Socket Connector Explosion proof Joint Enclosure Cable Fusion Splice Cable Branch Box
ZN63(VS1)-12 Indoor High Voltage Drawer-Type Vacuum Circuit Breaker
ZN63(VS1)-12 Indoor High Voltage Side-Mounted Vacuum Circuit Breaker
ZN85-40.5 Indoor High Voltage Vacuum Circuit Breaker
ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker
ZW7-40.5/35kV Outdoor High Voltage Vacuum Circuit Breaker
LW38-40.5kV Outdoor SF6 (Sulfur Hexafluoride) Circuit Breaker
LW38-126kV Outdoor High Voltage SF6 Circuit Breaker
ZN63(VS1)-12 Series Indoor Fixed-Type High-Voltage Vacuum Circuit Breaker
Characteristics of Vacuum Circuit Breaker (VCB)
Rated Voltage
12kV -126kV
Rated Current
400A - 4000A
Rated Short-Circuit Breaking Current
20kA-40kA
Mechanical Life
2,000-20,000 operations
Operating Temperature
-40°C - +40°C
Insulation Level (Lightning Impulse)
75kV-550kV
Materials
6 global material development partners
Detection
100% internal dielectric and thermal performance testing
Compliance
Designed to meet IEC/ANSI standards
Traceability
Complete batch traceability and leading technical support
Why Choose Us
Strong weathering resistance
adapt to extreme environments such as coastal, high pollution, high temperature and high humidity.
High reliability
Reduces the risk of grid failures and reduces maintenance costs.
International Standard Adaptation
Meet the requirements of power equipment in the European, Middle East and Southeast Asian markets.
FAQ
What is the breaking capacity?
Short-circuit breaking capacity ranges from 25kA to 50kA (RMS), suitable for MV/HV grids.
Is it environmentally friendly?
SF6-free options use vacuum interruption technology with GWP=0.
Is it certified for the Middle East?
Certified to SASO IEC 62271 for Saudi Arabia and UAE standards.
Does it support remote control?
Yes. Motorized mechanisms and SCADA integration are optional.
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Service & Support
Our certification team consists of 85+ engineers with more than 20 years of professional experience
24/7 Service. Average emergency response time is limited to less than 12 hours
Suitable for substations, industrial power grids, new energy projects and other demanding scenarios
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