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2026
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07
Acrel New Product: ADW300A UL Wireless Energy Meter
Acrel Launches Upgraded ADW300A UL Wireless Energy Meter for Latin American Market

Three Key Upgrades for Enhanced Field Performance
1. Dot-Matrix LCD with Customizable English Interface
2. Intelligent Phase Sequence Detection & Correction
3. Dedicated Latin America 4G Variant (4GLA) with Regional Certifications

Comprehensive Metering for Diverse Applications
- Three-phase full electrical parameter measurement: Voltage, current, active/reactive/apparent power, power factor, frequency, and energy metering
- Multiple connectivity options: RS485 (Modbus RTU), LoRaWAN, Wi-Fi, and 4G cellular to suit any site infrastructure
- External CT sampling: Support for standard current transformers for flexible installation in existing distribution cabinets
- Extended I/O & monitoring: Optional 4-channel digital inputs, 2-channel digital outputs, temperature monitoring, and residual current measurement for comprehensive power quality and safety oversight
- Time-of-use tariff & demand management: Built-in TOU billing and peak demand recording for energy cost optimization
- Historical data logging: Local storage of energy statistics and freeze records for compliance reporting
Ideal for Colombia's Industrial & Distributed Energy Projects
- Seamless Siemens PLC integration: Native Modbus RTU/TCP compatibility enables direct data integration with SCADA systems and factory automation platforms
- RETIE compliant installation: The no-power-outage phase correction feature aligns perfectly with Colombian RETIE electrical safety regulations for live plant modifications
- Distributed PV monitoring: Perfect for rooftop solar installations requiring bidirectional energy metering and remote data transmission
- Sub-metering for facility management: Ideal for factory zones, commercial buildings, data centers, and logistics parks requiring granular energy consumption tracking
| Item | Specifications |
|---|---|
| Rated Voltage Input | 3 × 57.7/100V, 3 × 220/380V, 3 × 230/400V, 3 × 277/480V, 3 × 380/660V, 3 × 400/690V, 3 × 462/800V, 3 × 100V, 3 × 380V, 3 × 480V, 3 × 660V, 3 × 690V, 3 × 800V |
| Reference Frequency | 50Hz or 60Hz |
| Power Dissipation per Voltage Phase | <0.5 VA |
Current Input Range ADW300A (Direct Connection) | 0.01–0.05(6)A |
Current Input Range ADW300A-CT (Split CT) | D10: 0.01–0.05(6)A D16: 0.2–1(100)A D24: 0.8–4(400)A D36: 1.2–6(600)A |
| Starting Current | Grade C: 1 ‰ Ib Grade B: 4 ‰ Ib |
| Power Dissipation per Current Phase | <1 VA |
| Auxiliary Power Supply | AC 85–265V, AC 110–415V, DC 9–30V |
| Total Power Consumption of Device | <2W |
| Compliance Standard | GB/T 17215.321-2021, GB/T 17215.211-2021 |
Active Energy Accuracy ADW300A | Class C |
Active Energy Accuracy ADW300A-CT | Class B |
| Temperature Measurement Precision | ± 2 ℃ |
| Pulse Width | 80 ± 20ms |
Pulse Constant Standard ADW300A | 10000imp/kWh, 400imp/kWh |
Pulse Constant ADW300A-CT Series | D10: 10000imp/kWh D16: 400imp/kWh D24: 100imp/kWh D36: 60imp/kWh |
| Wireless Communication Transmission | LoRa transmission range: 1km in open areas; supports 4G & Wi-Fi |
| RS485 Cable Type | STP (Shielded Twisted Pair) |
| Supported Communication Protocols | MODBUS-RTU |
Availability
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