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Key facts at a glance
- Current transformer measuring current range / measuring type– For assembly selection and installation planning
- 1% measurement accuracy / standard– Check suitability for the intended place of use
- RS485 communication– For control, monitoring and system integration
- IP51 protection class– Check suitability for the intended place of use
Scope of delivery of the selected variant
- 1× Haier Smart Cube electricity meter HMT-CT300A
- 3× current transformers CT 300 A (cable length 1 m, inner diameter 24 mm)
- 1× User manual
HAIER · ELECTRICITY METER
Haier Smart Cube Electricity Meter HMT-CT300A – 3-phase power sensor
Delivery time: 2–3 working days
The stated delivery time is an estimate based on available stock. Shipping is via standard delivery. Weekends and holidays may delay delivery.
- Measuring current range / measuring type
- CT
- For mounting selection and installation planning
- Measurement accuracy / Standard
- 1%
- Check suitability for the intended place of use
- Communication
- RS485
- For control, monitoring and system integration
- Protection class
- IP51K
- Check suitability for the intended place of use
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Up to 30 years guarantee
Enjoy maximum security: Up to 30-year warranty on high-performance modules, 10–12-year product warranty on inverters, and 10 years on battery storage systems (with a 15-year lifespan). For other products, please refer to the specific details in the respective product documentation.
30 day returns
Orders from Mini Power can be returned within 30 days of receipt, provided the return conditions are met. Your statutory right of withdrawal remains unaffected.
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You can contact us 7 days a week, 24 hours a day. We will respond as quickly as possible within the applicable service hours; however, an immediate 24/7 response is not guaranteed.
Contact serviceDynamic delivery forecast
Estimated delivery time: 2–3 working days.
The information provided is an estimate based on the selected shipping method. The final price displayed at checkout is binding.Real customer reviews of Mini Power
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Product description
The Haier Smart Cube electricity meter HMT-CT300A is a powerful 3-phase sensor for systems up to 300 A. Developed based on the technology of Sigenergy Offered as a Haier Smart Cube product, it provides precise energy data for large systems. With bidirectional measurement and fast data updates, it is ideally suited for integration into the Smart Cube system.
Delivery:
1× Haier Smart Cube electricity meter HMT-CT300A
3× current transformers CT 300 A (cable length 1 m, inner diameter 24 mm)
1× User manual
Product features:
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--Precise measurement: 1% accuracy for high data transparency.
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--Maximum current 300 A: ideal for larger systems.
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--Bidirectional measurement: Recording of imported and exported energy.
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--Real-time information: 100 ms data rate, two pulse outputs.
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--RS485 interface: simple data transfer to energy management.
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--LCD display & IP51 protection: robust construction, clear display.
With its high resilience, the HMT-CT300A Ideal for commercial facilities or large solar systems. It ensures that energy flows are reliably recorded even at high loads.
The seamless integration into Haier Smart Cube System offers users complete control and transparency. This not only increases efficiency but also lays the foundation for intelligent energy management.
Matching accessories and related products
Variants
Datasheet & Instructions
Verified product-related documents and instructions.
Technical information
The values that determine the purchase.
Technical information
Communication
RS485
Protection class
IP51K
Measurement accuracy / Standard
1%
Measuring current range / measuring type
CT
GENERAL
Interface
RS485
Advertising
LCD Display
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Why Mini Power
Mini Power helps you choose balcony power plants, storage systems, solar panels, and suitable accessories. Product information, scope of delivery, and compatibility are clearly presented so you can select a system that suits your location and energy needs. If you have any questions, you can contact us directly at info@miniminipower.com.
Start your own energy transition with Mini Power.
Frequently asked questions
Question & Answer
Answers to key purchasing questions regarding compatibility, performance, installation, and scope of delivery.
What are the Haier Smart Cube electricity meters HMT-CT120A and HMT-CT300A?
What is the difference between the two models?
Which measurements are recorded?
How quickly does the data update?
How is the display and communication carried out?
What protective functions and operating conditions are there?
For which areas of application are the models suitable?
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