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Electricity Meter
Zhejiang Junwei Electric Co., Ltd.
Zhejiang Junwei Electric Co., Ltd.

JUNW JW330 Three Phase Smart Prepayment Meter RF/GPRS

JW330 Three Phase Smart Prepayment Meter
1.Core Product & Core Functions
The JW330 Three Phase Smart Prepayment Meter is a high-precision, feature-rich metering solution tailored for industrial and commercial applications. It integrates reliable prepayment energy management with accurate active and reactive energy monitoring and measurement, delivering extended functionality and class-leading accuracy to meet the strict demands of modern power billing, monitoring, and grid management systems.
2.Smart Communication & Smart Grid Compatibility
Equipped with optional RF and GPRS communication modules, the meter adapts to diverse field scenarios such as dual-source control, enabling seamless remote system configuration for smart grid deployments. Fully compliant with DLMS Suite standards, it supports multiple technical solutions for AMI (Advanced Metering Infrastructure) and AMR (Automatic Meter Reading), facilitating efficient remote data collection, centralized management, and grid automation.
3.User-Friendly Design & Installation Flexibility
The meter features a clear LCD display for real-time energy data visualization, an intuitive keypad for on-site operations, and supports both symmetrical and asymmetrical connection modes to fit various three-phase wiring layouts. Its standardized, robust footprint ensures easy installation in distribution cabinets and metering panels, simplifying on-site deployment and routine maintenance.
4.Compliance & Wide Application
Engineered to meet international metering and grid standards, the JW330 is ideal for industrial facilities, commercial buildings, smart grid upgrades, and AMI/AMR projects, providing a reliable, future-proof metering solution for utility companies and end-users.

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Zhejiang Junwei Electric Co., Ltd.
Zhejiang Junwei Electric Co., Ltd.
Zhejiang Junwei Electric Co., Ltd. upholds the core values of quality, innovation and integrity. Over the past 19 years, these principles have enabled us to grow into a leading manufacturing and trading enterprise and drive our commitment to delivering outstanding products.
Since the company’s founding, Zhang Shuping, founder of Junwei Electric, has always emphasized: “If people and enterprises in French-speaking African countries need electricity, they need the products and services we provide. Whether for new or existing demand, we wholeheartedly supply them with the products and services they require.” Providing customers with high-quality products supported by professionally skilled staff is the mission and passion of the Junwei Electric family.
Zhejiang Junwei Electric Co., Ltd. specializes in providing integrated solutions. Since 2007, Junwei Electric has kept a simple promise: to offer the most reliable products, the most reliable team and the most reliable services at the most competitive prices. With abundant inventory and a strong supplier network, Junwei is committed to delivering a hassle-free experience for customers. All products are certified for safety and reliability, ready for immediate operation.
Quality, Innovation, Integrity – Your Trusted Electrical Partner
We focus on the R&D and production of high and low voltage electrical products, including circuit breakers, meter boxes and fuses. Our products are exported to many African countries such as Cameroon, Côte d’Ivoire, Morocco and Burkina Faso. We have also established long-term and stable cooperative relations with power authorities in Senegal, Gabon, Benin, Guinea and other countries, serving as their important supplier of low-voltage electrical products in China.
We have a professional R&D team and laboratory, dedicated to product innovation and technological upgrading. We firmly believe that progress stems from demand, curiosity and the pursuit of excellence. Therefore, all finished products undergo multiple strict inspections to ensure stable and reliable performance.
We do not merely sell products – we deliver peace of mind. With a complete after-sales service system and efficient supply chain management, we have won the long-term trust of overseas customers. Our promise is simple: to provide safe, durable and economical electrical solutions with our professional expertise and attentive service.
Our persistence in quality has earned us an excellent reputation.
Innovation is our driving force, and reliability is our promise.
All our production and quality management systems meet or exceed CE and ISO standards. The products you receive are certified, safe and reliable, and can be installed and used directly.
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