About HEYI ELECTRICAL
Driven by market trends, our latest breakthroughs include:
EV Charging Safety: AC/DC Leakage Current Sensors specifically engineered for EV charging piles
Utility Infrastructure: Outdoor Split-core CTs designed for robust utility distribution transformer monitoring across global grids.
Global Partnership & Trust] Our engineering excellence is trusted by global technology giants and utilities, including Siemens, Schneider Electric, LG, Samsung, and SoftBank, as well as major national telecom operators and utility providers worldwide.
Our Products
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Split-Core Hall Effect Current Sensor 0-1000A with 5A Output and Zero/Span Adjustment
Model: C2/C3
Parameters: 6955441965
Precision Hall Effect Current Sensor 0-1000A with 5A Output and 0.5 Accuracy
Model: C2/C3
Parameters: 2040386505
Utility Grade Hall Effect Current Sensor 0-1000A Split-Core for Energy Metering
Model: C2/C3
Parameters: 9507373225
DM-20 20mm Window Mini Current Transformer 0.66kV Low Voltage CT
Model: DX/DM
Parameters: 721843066X
DX Current Transformer 0.66kV DIN-Rail Mounted Up to 6000A for Smart Grid
Model: DX/DM
Parameters: 4070360166
DASN242 60-5A to 250-5A 3-in-1 Three Phase Current Transformer
Model: DASN
Parameters: 5628230421
HCT2851 0-1000A Three Phase Current Transformer with 5A Output
Model: DASN
Parameters: 4499862957
Compact DIN-Rail Three Phase Current Transformer for Smart Buildings
Model: DASN
Parameters: 4728972399
0-1000A Split-Core Current Transformer with RS485 Modbus RTU Output for Energy Monitoring
Model: KCD
Parameters: 9872676259
Split-Core True RMS Current Transformer with 4-20mA Output
Model: KCT-L
Parameters: 0225799847
Flexible Rogowski Coil 100-10000A Split Core FRC-350-G1 with Integrator
Model: FRC
Parameters: 588771316X
0.15S Revenue-Grade Resin CT 1000A IEC 61869-2
Model: RECT
Parameters: 2874309095
Anti-Saturation Resin CT 1000A IP65 Utility Metering
Model: RECT
Parameters: 7294227195
IP65 Outdoor Resin-Cast Current Transformer for RMU and Marine Applications
Model: LMZW
Parameters: 1578901146
Hydrophobic Epoxy Insulated Outdoor Current Transformer for Chemical and Metallurgy
Model: LMZW
Parameters: 0747080631
IEC 61869-2 Certified Outdoor Resin-Cast Current Transformer for Global Power Distribution
Model: LMZW
Parameters: 1069030139
IP65 Outdoor Split-Core Current Transformer for Overhead Line Monitoring
Model: OCT
Parameters: 6403914286
6mA DC Leakage Current Sensor HYCA-01 for EV Charger
Model: HYCA
Parameters: 7261506524
Compact AC/DC Sensitive Residual Current Monitor HYCA-03
Model: HYCA
Parameters: 4810259978
High Load Current AC/DC Residual Current Sensor HYCA-08
Model: HYCA
Parameters: 0690713401
Three-Phase AC/DC Residual Current Sensor HYCA-09
Model: HYCA
Parameters: 5474068360
Wide Range AC/DC Residual Current Sensor HYCA-10 with 300mA
Model: HYCA
Parameters: 433166211X
DP Series Split-Core Current Transformer with 80x160mm Window for Renewable Energy Monitoring
Model: DP/HK
Parameters: 5874414797
HK Series Split-Core Current Transformer for Retrofit and Energy Monitoring
Model: DP/HK
Parameters: 0570489652
Large Window Split-Core Current Transformer for High-Current Busbar Monitoring
Model: DP/HK
Parameters: 0020744579
Split-Core Current Transformer KCT-6 for 6mm Cable Monitoring
Model: KCT
Parameters: 2158097744
Split-Core Current Transformer KCT-16 for 16mm Cable Monitoring
Model: KCT
Parameters: 5624732511
Split-Core Current Transformer KCT-24 for 24mm Cable Monitoring
Model: KCT
Parameters: 4764733137
Window-Type Current Transformer SDH for Busbar up to 220mm
Model: SDH
Parameters: 3451001799
DIN-Rail Mounted Current Transformer for Smart Grid and Panel Applications
Model: CP
Parameters: 334176254X
MSQ-30 Busbar-Type Measuring Current Transformer 0-6000A 5A Output
Model: MSQ
Parameters: 3814990307
Hall Effect Current SENSOR
Model: C2/C3
Parameters: 6393609559
current transformer
Model: DX/DM
Parameters: 1091752621
Three-phase current transformer
Model: DASN
Parameters: 5336327441
Split-Core Current Transformer
Model: KCD
Parameters: 8914185451
True RMS Current Transformer/Transmitter
Model: KCT-L
Parameters: 3899056248
Flexible Rogowski Coil
Model: FRC
Parameters: 4996363347
current transformer
Model: RECT
Parameters: 5337877046
Outdoor current transformer
Model: LMZW
Parameters: 3462679465
Outdoor Waterproof Split-Core current transformer
Model: OCT
Parameters: 118352241X
CURRENT SENSOR
Model: HYCA
Parameters: 2967192678
Busbar Split-Core Current Transformer
Model: DP/HK
Parameters: 5796925032
Split-Core Current Transformer
Model: KCT
Parameters: 5396007613
current transformer
Model: SDH
Parameters: 3117671986
current transformer
Model: CP
Parameters: 5155170990
current transformer
Model: MSQ
Parameters: 6955109863
Company Gallery
Certifications & Awards
Success Stories & Case Studies
Power Utility Company, Electrical Engineering Contractor, Panel Builder, Industrial Equipment Manufacturer, Building Energy Management Integrator
improved current measurement accuracy, supported stable energy metering, reduced installation difficulty in retrofit projects, enhanced electrical system monitoring, helped engineers identify abnormal load conditions
wide product range, stable accuracy, reliable insulation performance, split-core and window-type structures available, suitable for both metering and protection applications, customizable ratio and OEM logo printing
Company & Product Videos
Company Introduction & Factory Tour
⏱ Duration: 3:45 | 👁 Views: 15,230
Product Demonstration - Kestrel K-1
⏱ Duration: 5:12 | 👁 Views: 28,450
Technology Innovation Showcase
⏱ Duration: 4:30 | 👁 Views: 12,890
Customer Testimonials & Success Stories
⏱ Duration: 6:20 | 👁 Views: 9,650
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