Product Overview
The DDS3366D-J is engineered to track energy consumption in single-phase AC circuits. Key attributes from the Alibaba listing:
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Accuracy class: 1%
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Measuring energy range: 0 – 999,999.9 kWh
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Supported current ranges: 5(40)A and 10(60)A
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Dimensions: 104.0 × 36.0 × 70.0 mm
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Operating temperature: –10 °C to +50 °C
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Output voltage (auxiliary): 220 V
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Communication: RS-485 (Modbus RTU / DL/T645-2007)
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Installation: DIN-rail 35 mm
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Feature: Safety, lightweight, time display function
It is ideal for metering and monitoring in single-phase circuits such as residential loads, sub-metering, AC charging piles, and industrial panels.
| Product Name | YADA DDS3366D-J AC Energy Meter | |||
| Meter Type | Single Phase AC Energy Meter | |||
| Model No. | DDS3366D-J | |||
| Brand Name | YADA | |||
| Display Type | LCD Display | |||
| Measuring Energy Range | 0-99999.99kWh | |||
| Accuracy Class | Class 0.5/1 | |||
| Operating Temperature | -10℃~ +50℃ | |||
| Relative Humidity | ＜75% (annual average) | |||
| Communication | RS485 communication interfaces, | |||
| ModBus-RTU and DL/T645-2007 Protocol. | ||||
| Installation | 35mm DIN rail | |||
| Rated current | 5(40)A, 10(60)A | |||
| Rated Voltage | AC220V/380V | |||
| Pulse Constant | 1600imp/kWh、800imp/kWh | |||
| Frequency Range | 45Hz~60Hz | |||
| Warranty | 2 Years | |||
| Dimensions & Weight | 104.0mm*36mm*70.0mm, 0.15kg | |||
| Appication | AC EV Charging Pile | |||
Main Function
Key Features & Benefits
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Single-Phase Measurement — Designed for 230 V single-phase AC circuits
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Accurate & Reliable — 1% accuracy class ensures dependable readings
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Multiple Current Options — 5(40)A and 10(60)A models for flexible deployment
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Large Energy Range — Up to 999,999.9 kWh cumulative display
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RS-485 Communications — Supports Modbus RTU / DL/T645 for integration into BMS/EMS systems
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DIN-Rail Mounting — 35 mm standard rail fits most electric distribution panels
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Compact & Lightweight — Slim profile makes installation easy even in dense switchgear
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Digital LCD Display — Real-time parameter visibility including time display
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Durable Design — Built for stable operation from –10 °C to +50 °C
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Ideal for Sub-metering & EV Use — Suitable for AC charging and load monitoring scenarios
Applications
The DDS3366D-J is well suited for:
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Single-phase load monitoring (residential, small commercial)
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AC charging stations / piles requiring meter integration
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Sub-metering in electrical panels
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Energy management systems for low-voltage circuits
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Remote monitoring in IoT / smart building setups
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Retrofit into existing single-phase installations
Why Choose YADA DDS3366D-J?
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Proven Accuracy — 1% accuracy for reliable billing / billing-equivalent applications
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Communication-Ready — RS-485 Modbus RTU / DL/T645 ensures system interoperability
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Flexible Current Ranges — Two models available for different load levels
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Compact & Panel-Friendly — Slim design, ideal for tight installations
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DIN-Rail Compatibility — Easy to mount within standard distribution enclosures
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User-Friendly Display — LCD readout including time/date helps on-site checks
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Built to Last — Stable within –10 °C to +50 °C, safe and lightweight design
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Suitable for Sub-Metering & EV Integration — Great for systems requiring per-load measurement
Dimension & Installation
FAQ
Q: What does “5(40)A / 10(60)A” mean?
A: It indicates the nominal current and the extended current capability (for example, 5A nominal with capacity up to 40A).
Q: What is the communication protocol?
A: It supports RS-485 with Modbus RTU and DL/T645-2007 protocol.
Q: What is the accuracy class?
A: It is class 1 (1 %) per supplier listing.
Q: What is the working temperature range?
A: –10 °C to +50 °C.
Q: What is the mounting method?
A: DIN-rail (35 mm) mounting suitable for standard electrical distribution panels.