PUTAI's embedded poles integrate vacuum insulation technology for switchgear systems, delivering reliable circuit interruption in demanding power distribution networks.

Switchgear
ALL Vacuum Circuit Breaker (VCB) Load Switch Disconnecting Switch Earthing Switch / Grounding Switch Switchgear Outdoor Vacuum Auto Recloser
Insulation Component
ALL Inflatable Cabinet Bushing Series Contact Box Wall Bushing Sensors Embedded Poles Epoxy Insulator Elbow Plates Series
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
Instrument Transformers
ALL AIS CT&VT GIS/SIS CT&VT
40.5KV Center Distance 472mm High-Altitude Pole
  • Rated Voltage:40.5KV
  • Rated Current:1250A, 1600A, 2000A, 2500A
Characteristics of Embedded Poles
Rated Voltage
12kV ~ 40.5kV
Rated Current
630A ~ 5000A
Power Frequency Withstand
48kV ~ 95kV/1min
Lightning Impulse Withstand
85kV ~ 185kV
Material
Epoxy Resin
Mechanical Life
10,000 cycles 
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 insulation performance of Embedded Poles? Are they internationally certified?
Embedded Poles use vacuum-cast epoxy resin with a dielectric strength ≥35kV/mm. They comply with IEC 62271-200.
Are they suitable for high-humidity or salt-spray environments?
Yes. The nano-modified epoxy resin provides IP68 protection, ensuring long-term reliability in humidity >90% or coastal salt-spray conditions.
What voltage ratings are available?
Available from 12kV to 40.5kV. Custom higher voltage specifications are supported.
What is the mechanical lifespan?
Designed for ≥10,000 operations without performance degradation.
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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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