Sobre nosotros WENZHOU HEYI ELECTRICAL CO.,LTD(HEYI)
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.
Nuestros productos
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Hall Effect Current SENSOR
Modelo: C2/C3
Parámetros: Measurement range: 0–1000 A
Output: 5A
Accuracy: 1.0/0.5
Inner diameter: 125*35 mm
current transformer
Modelo: DX/DM
Parámetros: Measurement range: 0–6000 A
Output: 5A
Accuracy: 1.0/0.5
Inner diameter: 125*35 mm
Three-phase current transformer
Modelo: DASN
Parámetros: Measurement range: 0–1000 A
Output: 5A
Accuracy: 1.0
Inner diameter: 0–50 mm
Split-Core Current Transformer
Modelo: KCD
Parámetros: Measurement range: 0–1000 A
Output: 4-20MA
Accuracy: 1.0
Inner diameter: 0–50 mm Customizable: lead wire type, lead wire length, and connector.
True RMS Current Transformer/Transmitter
Modelo: KCT-L
Parámetros: Measurement range: 0–1000 A
Output: 4-20MA
Accuracy: 1.0
Inner diameter: 0–50 mm Customizable: lead wire type, lead wire length, and connector.
Flexible Rogowski Coil
Modelo: FRC
Parámetros: Measurement range: 100-10000 A
Output: MV
Inner diameter: 245 mm
Customizable: ID,OUTPUT,COLOR
current transformer
Modelo: RECT
Parámetros: Measurement range: 0–1000 A
Output: 5 A / 1 A
IEEEC57.13
Inner diameter: 0–78 mm
Waterproof rating：IP65
UV protection
Customizable: OEM
Outdoor current transformer
Modelo: LMZW
Parámetros: Measurement range: 0–1000 A
Output: 5 A / 1 A / mA / mV
Accuracy: 1.0 / 0.5/0.5S/0.2/0.2S
Inner diameter: 0–80 mm
UV protection
Waterproof rating：IP65 Customizable: OEM
Outdoor Waterproof Split-Core current transformer
Modelo: OCT
Parámetros: Measurement range: 0–8000 A
Output: 5 A / 1 A / mA / mV
Accuracy: 3.0/1.0 / 0.5
Inner diameter: 0–120 mm
Waterproof rating：IP65
UV protection
Customizable: OEM,lead wire type, lead wire length, and connector.
CURRENT SENSOR
Modelo: HYCA
Parámetros: Frequency range DC up to 2 KHz
· Load current up to 80 Arms (1-phase) or 3 x 32 Arms (3-phase)
· Switching output for 6 mA DC and 30 mA AC (acc. to IEC 62752)
· Integrated self-monitoring and test functions
· Measurement resolution of 0.2 mA
· Variants with pass through opening or with integrated primary conductors
· Differential current range 0~300 mA
Busbar Split-Core Current Transformer
Modelo: DP/HK
Parámetros: Measurement range: 0–8000 A
Output: 5 A / 1 A / mA / mV
Accuracy: 3.0/1.0 / 0.5
Inner diameter: 0–80*160 mm
Customizable: lead wire type, lead wire length, and connector.
Split-Core Current Transformer
Modelo: KCT
Parámetros: Measurement range: 0–1000 A
Output: 5 A / 1 A / mA / mV/RS485/4-20MA
Accuracy: 3.0/1.0 / 0.5
Inner diameter: 0–50 mm
Customizable: lead wire type, lead wire length, and connector.
current transformer
Modelo: SDH
Parámetros: Measurement range: 0–10000 A
Output: 5 A / 1 A / mA / mV
Accuracy: 1.0 / 0.5 / 0.5S / 0.2 / 0.2S
Inner diameter: 0–220*80 mm
Customizable options: Housing material, housing color, accuracy, output, capacity, OEM
current transformer
Modelo: CP
Parámetros: Measurement range: 0–6000 A
Output: 5 A / 1 A / mA / mV
Accuracy: 1.0 / 0.5 / 0.5S / 0.2 / 0.2S
Inner diameter: 0–100*31 mm
Customizable options: Housing material, housing color, accuracy, output, capacity, OEM
current transformer
Modelo: MSQ
Parámetros: Measurement range: 0–6000 A
Output: 5 A / 1 A / mA / mV
Accuracy: 1.0 / 0.5 / 0.5S / 0.2 / 0.2S
Inner diameter: 0–125 mm
Customizable options: Housing material, housing color, accuracy, output, capacity, OEM
Galería de la empresa
Certificaciones y premios
Casos de éxito
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
Videos de la empresa y productos
Introducción a la empresa y tour por la fábrica
⏱ Duration: 3:45 | 👁 Views: 15,230
Demostración del producto - Kestrel K-1
⏱ Duration: 5:12 | 👁 Views: 28,450
showcase de innovación tecnológica
⏱ Duration: 4:30 | 👁 Views: 12,890
Testimonios de clientes y casos de éxito
⏱ Duration: 6:20 | 👁 Views: 9,650
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