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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
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 meter
Transformer
Others
Digital Meter
digital current meter
COS meter
Power_meter
Energy meter
Combined meter
Multifunction meter
Frequency meter
digital voltage meter
Transducers
Insulator
SE Type
SM Type
ASM Type
AB Type
JYZ Type
JYZ Type
MNS Type
LY Type
C Type
CT Type
CJ/CB
EL Type
DL Type
C/GP/L
HC Type
PMJ Type
GCK Type
PMJ Type
PMJ-N Type
XP
ZMJ Type
SGR Type
AMJ Type
Inverter
Controller
Voltage Stabilizer
SBW/DBW Automatic compensated power voltage stabilizer
SBW-F Sub-tone automatic compensation power voltage stabilizer
SVR Automatic AC home voltage stabilizer
SVC/TND single-phase high-precision automatic AC voltage stabilizer
TSD wall-mounted automatic AC voltage regulator
SVC/TNS three-phase high-precision automatic AC voltage stabilizer
Meter Socket
Smart Circuit Breaker
Case
Case Example
Download
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What is the difference between low voltage transformer and high voltage transformer?
Principle of voltage transformer
Are open-type current transformers good? What are the disadvantages of open-type current transformer
Are open-type current transformers good? What are the disadvantages of open-type current transforme
How to install current transformer?
How does a Hall current sensor work?
How to use Rogowski coil?
The difference between Rogowski coil and ordinary current transformer?
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Industry News
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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
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 meter
Transformer
Others
Digital Meter
digital current meter
COS meter
Power_meter
Energy meter
Combined meter
Multifunction meter
Frequency meter
digital voltage meter
Transducers
Insulator
SE Type
SM Type
ASM Type
AB Type
JYZ Type
JYZ Type
MNS Type
LY Type
C Type
CT Type
CJ/CB
EL Type
DL Type
C/GP/L
HC Type
PMJ Type
GCK Type
PMJ Type
PMJ-N Type
XP
ZMJ Type
SGR Type
AMJ Type
Inverter
Controller
Voltage Stabilizer
SBW/DBW Automatic compensated power voltage stabilizer
SBW-F Sub-tone automatic compensation power voltage stabilizer
SVR Automatic AC home voltage stabilizer
SVC/TND single-phase high-precision automatic AC voltage stabilizer
TSD wall-mounted automatic AC voltage regulator
SVC/TNS three-phase high-precision automatic AC voltage stabilizer
Meter Socket
Smart Circuit Breaker
Case
Case Example
Download
About Us
Contact Us
Contact Us
What is the difference between low voltage transformer and high voltage transformer?
Principle of voltage transformer
Are open-type current transformers good? What are the disadvantages of open-type current transformer
Are open-type current transformers good? What are the disadvantages of open-type current transforme
How to install current transformer?
How does a Hall current sensor work?
How to use Rogowski coil?
The difference between Rogowski coil and ordinary current transformer?
News
Company News
Industry News
Feedback
Request Quote
News
Company News
Industry News
HEYI join HANNOVER MESSE in Germany
May 01, 2017
05-01
2017
HEYI Electrical Co., Ltd. take part in HANNOVER MESSE in Germany from 24th to 28th April, 2017.
Forecast: Three Exhibitions in 2017
Feb 21, 2017
02-21
2017
HEYI Electrical Co., LTD will attend 3 exhibitions in 2017.
HEYI in Exhibition
Dec 06, 2016
12-06
2016
2016/11/15-17 HEYI in Exhibition of European Utility Week in Spain.
HEYI group activities
Nov 01, 2016
11-01
2016
HEYI group at the top of the highest mountain in YueQing.
HEYI in the Exhibition
Sep 21, 2016
09-21
2016
2016/09/14-16 HEYI in the Exhibition of Power &Renewable Energy Vietnam 2016.
HEYI sales manager, Bethy, in thestar of Malaysia
Jul 29, 2016
07-29
2016
Heyi Company sales manager and product of current transformer are recorded in www.thestar.com.
Forecast
Jul 07, 2016
07-07
2016
Forecast: Power &Renewable Energy Vietnam 2016
HEYI in Exhibition of ASEAN M&E SHOW 16 in Malaysia
Jun 22, 2016
06-22
2016
2016/05/23-25 HEYI in Exhibition of ASEAN M&E SHOW 16 in Malaysia.
New type current transformer
Jun 08, 2016
06-08
2016
Heyi R&D Team have the new type current transformer ,encapsulated interposing current transformer.
Second generation KCT series split core CT
Jun 05, 2016
06-05
2016
Heyi R&D team successfully finish the second generation type KCT type split core CT.
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Jan .13.2024
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Jan .10.2024