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Meter socket

Meter socket

Mar 23, 2023
AC DC leakage current sensor

AC DC leakage current sensor

Jan 05, 2023
HK Type Current Transformer

HK Type Current Transformer

Jul 14, 2022
KCT Type Current Transformer

KCT Type Current Transformer

Jul 14, 2022

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Why does the current transformer make abnormal noise?

Why does the current transformer make abnormal noise?

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Jan 10, 2024

When abnormal sound is found in a current transformer, it is recommended to perform systematic troubleshooting
How does a Hall current sensor work?

How does a Hall current sensor work?

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Jan 13, 2024

  About Heyi Hall Current Sensor   A Hall current sensor is a device that measures current through the Hall effect. The Hall effect means that when a current passes through a conductive material, a magnetic field perpendicular to the direction of the current causes the deflection of charge carriers, thereby generating a potential difference… Continue reading How does a Hall current sensor work?

HEYI Electric helps Thailand’s power development Thailand’s Ministry of Energy, EGAT and MEA confirm co-hosting of Enlit Asia 2025

HEYI Electric helps Thailand’s power development Thailand’s Ministry of Energy, EGAT and MEA confirm co-hosting of Enlit Asia 2025

Mar 12, 2025

HEYI Electric helps Thailand’s power development Thailand’s Ministry of Energy, EGAT and MEA confirm co-hosting of Enlit Asia 2025   Bangkok, September 2025 – Enlit Asia 2025 will be held at BITEC in Bangkok, Thailand from September 7 to 9. The Ministry of Energy of Thailand has confirmed that it will be the energy organizer… Continue reading HEYI Electric helps Thailand’s power development Thailand’s Ministry of Energy, EGAT and MEA confirm co-hosting of Enlit Asia 2025

The Seoul messe Show 2023

The Seoul messe Show 2023

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Oct 09, 2023

Electrical HEYI at Seoul Int’l Electrical Fair 2023! Explore innovative electrical products & applications at Booth E409.
Type B Residual Current Sensor

Type B Residual Current Sensor

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Oct 23, 2023

Type B Residual Current Sensor–Your all-in-one for charging stations, monitoring AC/DC currents, and complying with global standards.
The Philippine Electrical Messe Show 2023

The Philippine Electrical Messe Show 2023

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Nov 02, 2023

HEYI will appear at the 2023 ANC and 3E XPO, focusing on high voltage current transformers, booth number 342.
Are Your Charging Piles Truly Secure?

Are Your Charging Piles Truly Secure?

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Nov 15, 2023

RCD: Unveiling Safety in Every Charge. Explore the Superiority of Type B, especially HEYI conpany’s HYCA, Redefining Charging Pile Security.
How to choose the most suitable residual current device?

How to choose the most suitable residual current device?

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Nov 23, 2023

Residual current device HYCA RCD by HEYI.With a broad temp range, streamlined design, and digital calculation, it sets new standards.
What is a fluxgate current sensor？

What is a fluxgate current sensor？

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Nov 25, 2023

Fluxgate current sensors achieve high-precision current monitoring by measuring changes in magnetic fields caused by current flow.
IIEE 48th ANC and 3E XPO 2023 in Metro Manila

IIEE 48th ANC and 3E XPO 2023 in Metro Manila

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Dec 02, 2023

IIEE 48th ANC and 3E XPO 2023 in Manila with HEYI ELECTRICAL, featuring high-tech products. Engaged clients, forged partnerships.
What is a Smart Circuit Breaker?

What is a Smart Circuit Breaker?

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Dec 04, 2023

Wifi Smart Circuit Breaker: Safeguarding with intelligence. Remote control, real-time alerts, and energy efficiency for a connected future.
What are the applicable scenarios for current transformers?

What are the applicable scenarios for current transformers?

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Jan 04, 2024

What are the applicable scenarios for current transformers Because a current transformer is a device that senses physical quantities and converts them into electrical signals. Current transformers are widely use in various scenarios and are therefore use to monitor and measure various physical quantities. So it is mainly use in industrial automation, medical equipment,… Continue reading What are the applicable scenarios for current transformers?

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