PUTAI's contact boxes deliver precision insulation for switchgear systems, engineered to maintain electrical integrity under extreme current loads and harsh operating conditions.

Protection Equipment
CH3-12KV/150 Contact Box 630-1250A
  • Rated Voltage:12kV
  • Rated Current:630~1250A
CH3-12KV/180 Contact Box 1250A
  • Rated Voltage:12kV
  • Rated Current:1250A
CH3-12KV/180 Contact Box (Large Aperture) 1250A
  • Rated Voltage:12kV
  • Rated Current:1250A
CH3-12KV/190 Contact Box 1600A
  • Rated Voltage:12kV
  • Rated Current:1600A
CH3-12KV/208 Contact Box 1600-2000A
  • Rated Voltage:12kV
  • Rated Current:1600~2000A
CH3-12KV/250 Contact Box 2500-3150A
  • Rated Voltage:12kV
  • Rated Current:2500~3150A
CH3-12KV/270 Contact Box 4000A
  • Rated Voltage:12kV
  • Rated Current:4000A
JNY2-12KV Contact Box 630-1250A
  • Rated Voltage:12kV
  • Rated Current:630~1250A
CH3-24KV/225 Contact Box 630-1600A
  • Rated Voltage:24kV
  • Rated Current:630~1600A
CH3-24KV/250 Contact Box 2000-4000A
  • Rated Voltage:24kV
  • Rated Current:2000~4000A
CH3-35KV/660 (Upgraded) Contact Box (Two-way)
  • Rated Voltage:35kV
  • Rated Current:3150A
CH3-35KV/660 (Upgraded) Contact Box (Three-way)
  • Rated Voltage:35kV
  • Rated Current:3150A
Characteristics of Contact Box
Rated Voltage
12kV - 35kV
Rated Current
630A - 5000A
Short-Time Withstand Current
25kA/4s - 63kA/4s
Lightning Impulse Withstand Voltage
75kV - 185kV
Loop Resistance
≤25 - 30Ω
Protection Level
IP67 (Some models)
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 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.
Can I get detailed datasheets?
Yes. We maintain an online library of datasheets and CAD drawings; simply request the document code or product serial number for quick access.
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 traceability systems are in place?
Each component is assigned a unique serial number and logged in our ERP system, providing full traceability from incoming material through final shipment.
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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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