Asct Current Transformer
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Asct Current Transformer

Home
Products
Residual Current Sensor
Flexible Rogowski coil
Split Core Current Transformer
Current Transformer
Three phase CT
High Voltage Current Transformer
Indoor current transformer Outdoor current transformer Indoor voltage transformer Outdoor voltage transformer
Protection Current Transformer
Summation Current Transformer
Current transducer
Mini Current Transformer
Combined Current Transformer
Loading-Type Current transformer
Bus Bar-Type Current transformer
Pin-type Current Transformer
Current-Voltage Transformer
DC Immune CT
Voltage Power Transformer
Zero-Sequence Current Transformer
Special Current Transformer
Current Sensor
Closed Loop Hall Effect Current Sensor
DC leakage current sensor
Hall Effect Current Transmitter
Hall Effect Voltage Sensor & Transmitter
Open Loop Hall Effect Current Sensor
Shunt
Zero Sequence CT
Indicator lamp
Transformer
Others
Digital Meter
Insulator
Inverter
Controller
Voltage Stabilizer
Meter Socket
Smart Circuit Breaker
Overvoltage And Undervoltage Protector
Case
Case Example
Download
About Us
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Technical Standard

2024 Heyi Electrical passed the Factory Audit by “V-Trust”

2024 Heyi Electrical passed the Factory Audit by “V-Trust”

Aug 09, 2024

08-092024

Our fluxgate residual current sensor HYCA series specifically designed for EV charging stations, can replaces KEMET brand sensor.
What is a current transformer?

What is a current transformer?

Aug 09, 2024

08-092024

A current transformer (CT) converts a high current into a lower proportional current, based on the working principle of mutual induction
The impact of residual current transformers on the tram industry

The impact of residual current transformers on the tram industry

Aug 09, 2024

08-092024

Application of AC DC leakage current sensors in tram industry

Application of AC DC leakage current sensors in tram industry

Aug 09, 2024

08-092024

Characteristics of leakage current transformers?

Characteristics of leakage current transformers?

Aug 09, 2024

08-092024

The core function of a leakage current transformer lies in its detection element, which captures and amplifies the leakage current signal
What is the function of current transformer?

What is the function of current transformer?

Aug 09, 2024

08-092024

Principle of AC and DC leakage current transformer?

Principle of AC and DC leakage current transformer?

Aug 09, 2024

08-092024

What are the advantages of AC and DC leakage current transformers?

What are the advantages of AC and DC leakage current transformers?

Aug 09, 2024

08-092024

What is a Current Transformer?

What is a Current Transformer?

Aug 09, 2024

08-092024

The current transformer converts the primary side large current into the secondary side small current for measurement
How to Install a current transformer?

How to Install a current transformer?

Aug 09, 2024

08-092024

The transformer's secondary circuit requires copper conductors, dedicated terminals, no unnecessary joints, adherence to polarity...
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SDH series Window Type Current Transformer - the precise core of global power monitoring and energy efficiency management SDH series Window Type Current Transformer - the precise core of global power monitoring and energy efficiency management
Apr .23.2026
The SDH series window type current transformer, as a high-precision component for low voltage and energy meters, is compatible with global power frequencies with a single model, ensuring energy monitoring and energy efficiency management.
Why is this residual current sensor an ideal current detection component for motor drive and industrial automation fields Why is this residual current sensor an ideal current detection component for motor drive and industrial automation fields
Apr .21.2026
HYCA leakage protection residual current sensor (current sensor) offers full current sensitivity and easy integration, outperforming hall sensors—ideal for motor drive and industrial automation.
Application scenarios of CT for motor protection relay in power generation, shipbuilding, and heavy industry industries Application scenarios of CT for motor protection relay in power generation, shipbuilding, and heavy industry industries
Apr .17.2026
The application scenarios of CT for motor protection in power generation, shipbuilding, and heavy industry include switchgear, MCC, and distribution boards.
The New Energy Landscape of Motor Giants: Why HYCA is Your Ideal Current Transformer for Switchgear Choice The New Energy Landscape of Motor Giants: Why HYCA is Your Ideal Current Transformer for Switchgear Choice
Apr .15.2026
The HYCA series current sensor is designed specifically for switchgear, integrating a switchable current transformer and motor current detection function, suitable for charging stations and industrial drive scenarios.
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