Product Center

30 years of dedicated R&D and manufacturing of precision instrument transformers, delivering comprehensive power automation solutions.

Micro Current Transformer
Miniature Current TransformerJB-CT-001

Miniature Current Transformer

High-precision miniature current transformer for precision measurement and protection circuits

  • Accuracy Class: 0.2
  • Rated current: 5A-2000A
  • Operating Frequency: 50/60 Hz
Get in Touch
Micro Voltage Transformer
Miniature Current TransformerJB-PT-001

Miniature Potential Transformer

Compact voltage transformer for secondary circuit voltage measurement

  • Accuracy Class: 0.5
  • Rated Voltage: 100V-500V
  • Insulation Class: E
Get in Touch
Dry-type voltage transformer
Voltage TransformerJB-PT-002

Dry-type voltage transformer

All-series dry-type voltage transformers for diverse power measurement needs

  • Rated Voltage: 0.5kV-35kV
  • Accuracy Class: 0.2/0.5
  • Insulation Type: Dry-type
Get in Touch
Oil-immersed voltage transformer
Voltage TransformerJB-PT-003

Oil-immersed voltage transformer

Oil-immersed voltage transformer, suitable for high-voltage power systems

  • Rated Voltage: 35kV-220kV
  • Accuracy Class: 0.2
  • Cooling method: Oil-immersed self-cooled
Get in Touch
Protection current transformer
Current TransformerJB-CT-002

Protection Current Transformer

Professional protection current transformers to ensure reliable operation of relay protection systems

  • Accuracy Class: 5P/10P
  • Rated current: 100A-4000A
  • Accuracy Limit Factor: 5-30
Get in Touch
Current transformer for metering
Current TransformerJB-CT-003

Current transformer for metering

High-precision current transformer for metering-grade power measurement

  • Accuracy Class: 0.2S/0.5S
  • Rated current: 5A-3000A
  • Operating Frequency: 50/60 Hz
Get in Touch
Transformer Calibration Device
TesterJB-TEST-001

CT/PT Calibration Device

Automatic Transformer Calibration System — Supports precision testing for all types of instrument transformers.

  • Measurement accuracy: 0.01 grade
  • Auto-calibrate
  • Data Logging and Export
Get in Touch
CT/PT burden box
TesterJB-TEST-002

CT/PT burden box

CT/PT burden box, used for simulating secondary loads of instrument transformers

  • Load range: 0-100 VA
  • Accuracy Class: 0.1
  • Multi-level adjustable
Get in Touch

Need a custom solution?

We offer customized instrument transformer solutions tailored to your specific requirements.

Get Technical Solution