Acrel Co., Ltd., commonly known by the brand name Acrel, is a Chinese technology and electrical-equipment company. It specializes in energy-efficiency management, power monitoring, electrical safety, and digital energy-management systems. The company integrates physical electrical devices—such as energy meters, current transformers, sensors, protection devices, and power-quality equipment—with software and cloud platforms for monitoring and managing electrical systems 1.

Its official corporate identity is Acrel Co., Ltd., and it is listed on the Shenzhen Stock Exchange under the ticker 300286.SZ. The company is headquartered in Jiading District, Shanghai, China, with manufacturing operations located in Jiangsu 1.

Acrel describes itself as a high-tech enterprise covering R&D, manufacturing, sales, and services. Its product chain extends from cloud-platform software to sensors and terminal electrical equipment 1.

At its core, Acrel builds the hardware and software used to measure, monitor, protect, analyze, and manage electricity. This positioning distinguishes it from traditional electricity-meter manufacturers.

A typical Acrel system follows this flow:

Electrical circuit → Current/voltage sensors → Smart meter → Communication gateway → Network → Cloud/software platform → Energy monitoring & analysis

This architecture allows operators to track metrics such as:

• Building electricity consumption
• Consumption by specific machines or circuits
• Voltage, current, and power levels
• Power factor
• Energy consumption over time
• Abnormal electrical conditions
• Leakage current
• Temperature
• Power quality
• Solar/PV generation
• Charging-pile electricity consumption
• Status of electrical equipment

Acrel’s strategy has increasingly moved toward a “cloud-edge-end” architecture, connecting field-level electrical devices to software and energy-management platforms 2.

Foundation (2003)

Acrel was established in 2003, with its headquarters in Shanghai. The company initially developed around electrical measurement and monitoring technology 1.

Manufacturing Base (2004)

In 2004, Jiangsu Acrel Electrical Manufacturing Co., Ltd. was established, developing a production base in Jiangsu. The facility integrated manufacturing, information technology, and testing capabilities 1.

Early Recognition (2007–2008)

Acrel obtained ISO 9001 quality-management certification. Its products were used in projects associated with the 2008 Beijing Olympic Games 3. Subsequently, its products appeared in projects associated with the Shanghai World Expo and other major infrastructure developments.

Public Listing (2012)

On January 13, 2012, Acrel was listed on the Shenzhen Stock Exchange’s Growth Enterprise Market under 300286.SZ 1. This marked its transition from a privately operated electrical-equipment company to a publicly traded technology manufacturer.

Expansion into Energy Management (2013–2019)

During this period, Acrel expanded beyond standalone meters into broader energy-management systems, software, power monitoring, electrical safety, and IoT applications. It also developed research and testing capabilities in Jiangsu. In 2019, the company established an Acrel Microgrid Research Institute in Jiangyin.

Internationalization and Digital Energy (2020 Onward)

Acrel expanded into overseas markets, including Africa, the Middle East, Southeast Asia, and South America. Its products have been applied in telecommunications infrastructure, photovoltaic systems, industrial facilities, and energy monitoring. In 2022, the company established Acrel Singapore PTE. LTD. to support overseas customers and international business.

Acrel maintains a broad product portfolio including smart gateways, renewable-energy equipment, power-monitoring equipment, protection devices, energy meters, power-quality equipment, IT power-distribution products, sensors, and software 4.

Smart Energy Meters

One of Acrel’s most recognizable categories includes:

• Single-phase and three-phase energy meters
• Multifunction meters
• DIN-rail meters
• Wireless energy meters
• DC meters
• Bidirectional meters
• Multi-channel/multi-circuit meters
• Prepayment meters
• IoT energy meters

Well-known series include the ADL, ADW, ACR, and AMC families. These are used in buildings, factories, solar installations, telecom towers, data centers, and other electrical systems.

Power Monitoring

Power-monitoring products measure electrical parameters in real time, including voltage, current, active/reactive/apparent power, energy, power factor, frequency, demand, harmonic information, and other power-quality parameters. This data can be transmitted to higher-level monitoring software, allowing facility managers to understand where, when, and how electricity is being consumed.

Current Transformers and Sensors

The sensing layer includes current transformers, split-core current transformers, Hall-effect current sensors, AC current sensors, power transducers, signal isolators, and other electrical measurement sensors 4. These devices allow existing electrical circuits to be measured without replacing the entire infrastructure, which is useful for retrofitting energy monitoring in existing buildings or industrial facilities.

Electrical Safety

Electrical safety is one of Acrel’s two major stated business themes. The portfolio covers residual-current/leakage monitoring, electrical fire prevention, insulation monitoring, temperature monitoring, electrical protection, medium-voltage protection, medical IT systems, and industrial IT isolated power systems. For example, Acrel offers DC insulation monitors designed for EV charging, solar PV, energy storage, and DC distribution 4.

Power Quality

Acrel operates in power-quality management with equipment such as power-quality analyzers, active power filters, static var generators, and multifunction power meters 4. This is critical for factories, data centers, and facilities with large quantities of electronic equipment, where poor power quality can involve harmonics, voltage disturbances, and reactive-power problems.

Renewable Energy and Solar

Products and solutions for photovoltaic (PV) systems and renewable-energy applications include PV energy metering, solar-generation monitoring, bidirectional energy meters, zero-export monitoring, PV operation and maintenance monitoring, DC monitoring, and energy-management systems. This reflects Acrel’s transition from conventional metering toward broader digital energy management.

EV Charging

Acrel provides charging-pile energy-management solutions to measure and manage electricity consumed by EV chargers. This integration supports commercial charging stations, residential charging, industrial facilities, parking facilities, and broader energy-management systems.

Telecom Tower Monitoring

A niche application involves telecommunications infrastructure. Operators need to monitor multiple electrical loads remotely. Acrel offers multi-circuit AC/DC meters specifically for tower/base-station applications, including the AMC16, AMC200, and ADW families. This allows monitoring of multiple circuits from compact installations. Acrel has worked on tower-related projects in Africa.

Data Centers

Acrel provides equipment and software for monitoring electrical distribution and environmental conditions in data-center infrastructure. Product categories include data-center monitoring devices, with solutions covering power and environmental monitoring to obtain detailed information about power distribution throughout a facility.

Medical Electrical Systems

A specialized medical IT isolated power system business serves operating rooms, intensive-care environments, medical treatment areas, and critical medical electrical systems. The portfolio includes medical IT isolated power systems and DC insulation-monitoring technology, addressing electrical safety in environments where faults can have serious consequences.

Energy-Management Software

Software and cloud platforms collect information from meters and sensors. The ecosystem covers building energy management, industrial energy management, substation operation and maintenance, power monitoring, prepayment, power quality, electrical safety, data-center monitoring, EV charging, intelligent lighting, fire-power monitoring, renewable energy, and microgrids. This creates an energy-information platform above the electrical hardware.

Acrel’s technology strategy relies on a cloud-edge-end architecture:

• End Layer: Physical devices such as meters, CTs, sensors, protection devices, temperature sensors, and power-quality equipment.
• Edge Layer: Gateways and communication equipment that collect information from field devices, such as the AWT100 gateway family 4.
• Cloud Layer: Energy-management software and platforms that aggregate and analyze information.

This architecture enables thousands of electrical measurement points to be monitored from centralized software. Acrel describes this as a “cloud-edge-end” energy internet architecture 2.

Acrel’s technology applies across various sectors, including:

• Commercial buildings
• Factories and industrial facilities
• Hospitals
• Data centers
• Solar/PV systems
• Energy storage
• EV charging
• Telecommunications towers
• Transportation infrastructure
• Power distribution
• Schools and universities
• Smart-city infrastructure
• Residential and mixed-use developments
• Infrastructure projects

Target sectors identified by the company include power, renewable energy, data centers, smart buildings, transportation, and smart cities 2.

Manufacturing is conducted through Jiangsu Acrel Electrical Manufacturing Co., Ltd. The facility incorporates automated manufacturing, product testing, and information-management systems. Testing capabilities cover environmental testing, electromagnetic compatibility, safety, and reliability 1. This integration is vital given the business’s reliance on combining electronics manufacturing with measurement accuracy and regulatory certification.

International products are marketed with certifications and standards including IEC, CE, UL, MID, and RoHS. Exact certification depends on the individual product and market; specific datasheets should be consulted for compliance details.

Acrel emphasizes R&D, reporting hundreds of patents and software copyrights. Newer corporate profiles cite more than 600 patents and software copyrights 2. This IP portfolio reflects the development of proprietary measurement devices, sensors, software, and integrated systems rather than simple reselling.

Acrel occupies a position between traditional electrical-equipment manufacturers and digital energy-management/IoT companies.

Corporate positioning centers on Energy Efficiency and Electrical Safety. The stated concept emphasizes innovation, efficiency, unity, and integrity 1. The business direction helps organizations:

1. Measure electricity.
2. Make electrical data visible.
3. Detect abnormal conditions.
4. Analyze energy consumption.
5. Improve energy efficiency.
6. Manage electrical safety.
7. Integrate renewable energy and distributed power.
8. Digitize energy-management processes.

Essentially, Acrel aims to turn electricity from a consumed commodity into something continuously measured, analyzed, and managed.

While a Chinese company, Acrel has an international sales and service presence. Markets mentioned include Africa, the Middle East, Southeast Asia, South America, Europe, Australia, and other international regions. The establishment of Acrel Singapore PTE. LTD. in 2022 supports this expansion 1. Regional websites and sales channels serve overseas markets.

Specifications vary by model; these represent product families rather than single products 4.

1. Full Measurement Chain: Covers sensor → meter → gateway → communication → software platform.
2. Dual Focus: Combines energy management with explicit electrical safety positioning.
3. Hardware Manufacturing: Develops and manufactures its own electrical measurement and monitoring equipment.
4. Specialized Applications: Targets telecom towers, medical IT systems, data centers, PV systems, EV charging, and industrial power monitoring.
5. Public Listing: Listed on the Shenzhen Stock Exchange since 2012 (300286.SZ).

Figures published across regional and corporate websites may vary due to different update dates. One profile reports 500+ R&D personnel, while another cites more than 500 engineers and 600 patents/software copyrights. Another regional site reports more than 1,200 staff. Definitive current numbers require reference to the latest annual report.

The main listed entity is Acrel Co., Ltd. — 300286.SZ. Key affiliated operations include Jiangsu Acrel Electrical Manufacturing Co., Ltd. (manufacturing base) and Acrel Singapore PTE. LTD. (international support). Headquarters address: No. 253 Yulv Road, Jiading District, Shanghai, China 1.

1. Company Profile – Acrel Co., Ltd.
2. About- Acrel Co., Ltd.
3. History | Acrel Co., Ltd.
4. PRODUCTS – Acrel Electric Co., Ltd.