PUTAI's sensors deliver precise electrical monitoring for switchgear systems, engineered to maintain signal accuracy under extreme voltage conditions.

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
CG5-12KV Series Sensors
  • Rated Voltage:12kV
  • Operating Current:630～1600A
  • Power Frequency Withstand Voltage:42kV
  • Lightning Impulse Withstand Voltage:85kV
CG5-24KV Series Sensors
  • Rated Voltage:24kV
  • Operating Current:630～2000A
  • Power Frequency Withstand Voltage:65kV
  • Lightning Impulse Withstand Voltage:125kV
CG5-35KV Series Sensors
  • Rated Voltage:35kV
  • Operating Current:2000～3150A
  • Power Frequency Withstand Voltage:95kV
  • Lightning Impulse Withstand Voltage:185KA
12KV Integrated Sensor
  • Rated Voltage:12KV
  • Material:Epoxy resin
CG5-35KV Integrated Sensor
  • Rated Voltage:35kV
  • Material:Epoxy resin
CG 12kV Series Epoxy Resin Sensors
  • Rated Voltage:12KV
  • Material:Epoxy resin
CG 40.5kV Series Sensors
  • Rated Voltage:40.5kV
  • Material:Epoxy resin
Characteristics of Sensors
Rated Voltage
12kV - 35kV
Rated Current
630A ~ 3150A
Power Frequency Withstand
38kV ~ 95kV
Lightning Impulse Withstand
75kV ~ 185kV
Material
Epoxy Resin
Compatible Equipment
MV Switchgear/GIS
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
Do you use advanced testing equipment?
Our laboratory features high-voltage test sets, partial discharge detectors, thermal imaging cameras, and CNC-controlled test benches for precise quality verification.
How is customer feedback integrated into quality improvement?
We review feedback quarterly, update design and process documents accordingly, and track key performance indicators to measure improvement effectiveness.
What is the typical lead time for standard products?
Standard catalog items generally ship within 4–6 weeks of order confirmation; please contact us for precise delivery schedules based on your region.
Do you provide customization services?
Yes. We can tailor dimensions, materials, and interface specifications—and comply with CE and IEC 62271 standards—to meet your unique project requirements.
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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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