PUTAI's protection devices safeguard electrical systems with precision fault detection and isolation, engineered for critical infrastructure and industrial power networks.

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 Outdoor Vacuum Auto Recloser
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
Zinc Oxide Surge Arrester
  • Type:HY5WS-5/15, HY5WS-7.6/30, HY5WS-17/50, HY5WR-10/27...
Piercing Type External Gap Surge Arrester
  • Type:FHY5C-10C
External Gap Surge Arrester
110kV Anti-pollution Type Surge Arrester for Transformer Neutral Point
35kV Fully Insulated Type Surge Arrester for Switchgear
35kV Line Type Surge Arrester with Series Gap (Suspension Type)
  • Type:HY5WCX-51/134E
110kV Station Type Surge Arrester (Square Base)
  • Type:HY10W-100/260
Surge Arrester (3~8 Sheds)
  • Type:Lightning arrester (3 sheds),Lightning arrester (4...
NCX Type Drop-out Fuse
NCX Load Type Drop-out Fuse
12kV Drop-out Fuse
12kV-15kV Drop-out Fuse
Characteristics of Protection Equipment
Rated Voltage
12kV - 40.5kV
Rated Current
400A - 3150A
Short-Circuit Breaking Current
20kA - 50kA
Power Frequency Withstand Voltage
42kV - 95kV
Lightning Impulse Withstand Voltage
75kV - 185kV
Mechanical Life
1000 - 10000 operations
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 kinds of protection equipment do you provide?
We supply surge arresters, fuses, explosion-proof enclosures, and overvoltage protection components for medium and high voltage systems.
Are your surge arresters compliant with IEC standards?
Yes, our surge arresters meet IEC 60099-4 standards and are tested for energy absorption, residual voltage, and aging.
What voltage levels are supported by your fuses?
Our fuses cover applications from 3.6kV to 40.5kV and are compatible with both indoor and outdoor systems.
Can I use your protection components in compact substations?
Yes, our protection equipment is designed with compact dimensions and safe operating margins, ideal for integrated substation use.
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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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