UL Certification
High Accuracy Class 0.5
Split Core Open Type
Rated Current: 100-400A
mA/mV/A Outputs
Rated Voltage AC0.69kV
+86-18702106858 / +86-21-69156352
AKH-0.66/K UL series current transformers, produced by Acrel, are UL-certified and designed for power maintenance and electrical retrofit projects. These transformers feature a compact size, high precision, and strong load capacity. They offer multiple output options, including mV, mA, 5A, and 1A outputs, with rated input currents ranging from 20A to 400A. The rated voltage is AC 0.66kV, and the frequency can be 50-60Hz. They can operate in environments with temperatures between -30°C and +60°C (or up to +70°C for certain models) and altitudes of ≤3000m. These transformers provide excellent performance in power systems, ensuring high accuracy and reliability.
| Model | Primary Current | Secondary Current | Accuracy | VA/Ω | Diameter (mm) |
| K-Φ16-M | 20-120A | (10-50mA) | Class 0.5S | 10Ω | Φ16 |
|
K-Φ16-U |
(100-333)mV | Class 0.5S | 10Ω | ||
| K-Φ24-M | 100A | 20mA | Class 0.5S | 10Ω 10Ω 10Ω 10Ω 10Ω |
Φ23 |
| 100A-300A | 40mA | Class 0.5S | |||
| 100A-300A | 50mA | Class 0.5S | |||
| 100A-150A | 100mA | Class 1 | |||
| 200A-400A | 100mA | Class 0.5S | |||
| K-Φ24-U | 100A-400A | (100-333)mV | Class 0.5S | / | |
| K-Φ24-A | 150-200A | 5A | Class 1 | 1Ω | |
| 200-300A | Class 1 | 1.5Ω | |||
| K-Φ24-B | 150-200A | 1A | Class 1 | 1Ω | |
| 200-300A | Class 1 | 1.5Ω |
Rated Current 80A Directly
MID Certificated
High Accuracy Class C
35mm DIN Rail Mounted
Pulse Output
4 Modules 72mm Width
MID Certificated
For IoT Energy Management, Factory, School
Split Core
Clamp on Installation
High Accuracy Class 0.5
150-1000A Input Current
5A/1A Secondary Output
Application: Renovation Projects
Event recording
Start control function
programmable DI and DO
Profibus-DP communication
Anti-shaking function
Analog output
Event recording
leakage protection
AC380V/690V
programmable DI and DO
Analog output
Anti-shaking function
Split Core
High Accuracy Class 0.5
Current Input 20-6000A
Current Output 5(1)A
Rectangular Hole Design
Measurement of current (I)
Application: Renovation Projects
IEC61000-4-30 Ed3 Class A Certificate
IEC60253-22 Class 0.2S
Disturbance Waveform Recording
Disturbance Direction Detection
2000+ Waveform Recording
5000+ SOE Recording
Multi-Circuits Measurement
Max. 4 Channels Three Phase or 12 Channels Single Phase
CE Certificated
RS485 Communication
Application: Base station
Solid Core
High Accuracy Class 0.5
5A output
Measurement of current (I)
Application: Busbar,Cables. New construction projects
Uplink data: RS485, Modbus-RTU
Accuracy 0.5 class
maximum 60 ATE temperature sensors data collection
4DI/2DO
Panel: 96*96*17mm, depth:65mm
CE&RED Certification
Model:C: Receiver; Z: Repeater; M: Receiver
Uplink data: RS485, Modbus-RTU
35mm Din Rail Mounted
ATC600-C receive 240 ATE400, ACE100
ATC600-Z: The Lora Relay is forwarded to ATC600-C, and the forwarding distance can reach 1000 meters;
ATC600-M can receive 240 ATE300M, ATE210
Power Supply: AC/DC 85V-264V or DC 12~48V
CT-powered, starting current≥5A
470MHz、433Mhz Wireless Frequency
15s Sampling frequency
15s Transmission frequency
-50℃~125℃ Temperature Range
Application: cable joints/Busbars/Contacts in LV/HV Switchgear
Split Core Clamp on Installtion
High Accuracy Class 0.5
5A/1A
Measurement of I
Application: Renovation Projects
Founded in 2003, Acrel Co., Ltd.【Stock Code: 300286.SZ】 is a high-tech enterprise specializing in energy management solutions and electrical safety. Headquartered in Shanghai, Acrel offers innovative and sustainable solutions for microgrid energy efficiency and electrical safety. With over 600 patents and software copyrights, Acrel has deployed more than 28,000 system solutions globally, forming a comprehensive "cloud-edge-end" energy internet architecture.
Acrel's integrated product ecosystem spans from cloud platform software to end-user components, covering sectors such as power, renewable energy, data centers, smart buildings, transportation, and smart cities. These solutions enable intelligent, real-time energy management, enhancing energy security and reducing operational costs.
The company's production facility, Jiangsu Acrel Electric Manufacturing Co., Ltd., adheres to strict quality standards and environmental guidelines, with advanced testing centers and a commitment to lead-free production processes. Acrel's team of over 500 engineers delivers cutting-edge energy efficiency systems and smart energy solutions.
With a strong domestic presence, Acrel is actively expanding internationally, supported by a global network of sales and technical teams and an e-commerce platform that ensures seamless service experiences worldwide. Acrel is proud to help businesses improve efficiency, reduce consumption, and achieve sustainability goals.
Together, we are building a smarter, greener future.
Authorized Patents
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Number of Customers Served
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Total Employees
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Manufacturing Base
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Email: [email protected]
Phone: +86-18702106858 / +86-21-69156352No.253 Yulv Road, Jiading District, Shanghai, PRC 201801
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