PUTAI's wall bushings provide secure power transmission through barriers, designed for stable performance in high-voltage substations and demanding industrial environments.

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
12KV Wall Bushing (100×100)
  • Rated Voltage:12kV
  • Rated Current:630A ~ 1250A
  • Power Frequency Withstand:28kV/1min
  • Lightning Impulse Withstand:75kV
12KV Wall Bushing (125×125)
  • Rated Voltage:12kV
  • Rated Current:1250A~1600A
  • Power Frequency Withstand:35 kV/1min
  • Lightning Impulse Withstand:85kV
12KV Wall Bushing (110×180)
  • Rated Voltage:12kV
  • Rated Current:1600A~2000A
  • Power Frequency Withstand:42 kV/1min
  • Lightning Impulse Withstand:95kV
12KV Wall Bushing (110×180×230)
  • Rated Voltage:12kV
  • Rated Current:2500A ~ 3150A
12KV Wall Bushing (140×200)
  • Rated Voltage:12kV
  • Rated Current:2500A ~ 3150A
12KV Wall Bushing (130×210)
  • Rated Voltage:12kV
  • Rated Current:2000A ~ 3150A
24KV Wall Bushing (175×255×218)
  • Rated Voltage:24kV
  • Rated Current:2000A ~ 4000A
24KV Wall Bushing (175×255×310)
  • Rated Voltage:24kV
  • Rated Current:2500A ~ 5000A
24KV Wall Bushing with Shielding (190×190×330)
  • Rated Voltage:24kV
  • Rated Current:2500A ~ 5000A
35KV Wall Bushing with Shielding (260×260×395)
  • Rated Voltage:35kV
  • Rated Current:3150A ~ 5000A
35KV Wall Bushing with Shielding (220×220×450)
  • Rated Voltage:35kV
  • Rated Current:2500A ~ 4000A
35KV Wall Bushing with Shielding (260×260×450)
  • Rated Voltage:35kV
  • Rated Current:3150A ~ 5000A
Characteristics of Wall Bushing
Rated Voltage
12kV - 35kV
Rated Current
630A - 5000A
Power Frequency Withstand
28kV ~ 95kV/1min
Lightning Impulse Withstand
75kV ~ 185kV
Installation Dimension
100×100mm - 260×260mm
Temperature Range
-40℃~+90℃
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 maximum rated current?
Supports 630A~3150A, depending on conductor material (copper/aluminum).
What is the protection rating?
IP68 fully sealed design, dustproof and waterproof for underground or humid environments.
Is it certified for North America?
Yes. Complies with IEEE 386 and offers UL certification options.
Does it support HVDC applications?
Yes. Custom designs available up to ±500kV HVDC.
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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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