Three-Phase keypad Prepaid Electric Meter with Top-Plug Module - STS Certified, GPRS Remote Reading & Tamper-Proof for Industrial/Commercial

一,Product Description

二,Key Selling Points & Features

1. Communication & Data Access

• Dual-mode connectivity: Supports GPRS and 433MHz RF communication for stable data transmission.
• Multiple data access channels: Real-time data retrieval via web portals, handheld terminals, or API-integrated platforms.
• Remote management: Optional RF module enables remote reading and on/off control.

2. Compliance & Measurement Accuracy

• Global standard compliance: Meets STS, IEC 62053-21, IEC 62052-11, and IEC 62055-41 standards.
• High-precision metering: Equipped with international-grade metering chips, Class 1.0 accuracy.
• Comprehensive measurement: Monitors voltage, current, active/reactive power, four-quadrant energy, and neutral current.

• 3. Safety & Anti-Tampering

   
• Physical protection: IP54 rating (dust/water resistance) and thickened flame-retardant shell.
• Electrical safety: Class II insulation, 4kV AC insulation strength, and EMC compliance (8kV impulse voltage, 8kV contact discharge).
• Anti-theft design: Tamper detection and cover opening detection with event logging.
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  4. Intelligent Prepaid Management

   
• STS token recharge: Secure 20-digit token-based top-up, compatible with global prepaid ecosystems.
• Smart control functions: Automatic switch-off when credit is exhausted, low-credit alarming, and bidirectional metering (suitable for solar hybrid systems).
• Flexible tariff setting: Supports up to 8 multi-tariff plans for time-of-use (TOU) billing.
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  5. Design & Installation

   
• Modular plug-and-play structure: Adapts to diverse smart metering needs and simplifies maintenance.
• Easy installation: Fixed triangular positions and hanging hole design on the back.
• Durable & low-power: Component-replaceable architecture (reduces long-term costs) and low power consumption (<2W in voltage circuits).
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  6. Management & Vending System

   
• Multiple recharge methods: Over-the-counter, mobile top-up (M-PESA, Alipay, MTN, Airtel via API), and door-to-door service with mobile vending units.
• Comprehensive data management: Supports management of meters, customers, prices, and transactions; Excel import/export available.
• Secure & customizable: Microsoft SQL Server backend database, sub-account permission control, and customizable reports (receipts, monthly summaries, regional analytics).
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  7. Versatility & Adaptability

   
• Wide operating range: Works with 70%~120%Un voltage (3x230V/400V) and 50-60Hz frequency; 10A basic current, 100A maximum current.
• Broad application scenarios: Suitable for industrial parks, commercial complexes, residential communities, rural areas, SMEs, and smart grids.
• Extreme environment resistance: Operates in -25℃~70℃ (storage: -40℃~85℃) with stable performance.