SENTOP RM-3AA3Y Series
Three-Phase Intelligent Digital Ammeter | 96×96mm High-Precision Monitoring
Intelligent Current Monitoring Solution
The SENTOP RM-3AA3Y is a professional-grade three-phase intelligent digital ammeter designed for high-density power distribution systems. It provides simultaneous real-time measurement of three-phase currents (Ia, Ib, Ic) with high precision. Featuring a 96x96mm standard industrial footprint, the meter is equipped with a 3-line bright LED display and an RS485 communication interface. It supports programmable Current Transformer (CT) ratios, allowing for seamless adaptation to various industrial loads and integration into automated energy management systems.
Technical Specifications
| Performance Category | Detailed Technical Parameters |
|---|---|
| Model Number | RM-3AA3Y (96×96mm Panel) |
| Measurement Parameters | Three-phase Alternating Current (Ia, Ib, Ic) |
| Accuracy Class | Class 0.5 (±0.5% F.S) |
| Signal Input | Rated Current: AC 1A or AC 5A (Programmable CT Ratio) |
| Overload Performance | Continuous: 1.2x Rated; Instantaneous: 10x Rated (5 seconds) |
| Frequency Range | 45 – 65Hz |
| Power Supply | AC/DC 85V – 265V or AC 220V; Consumption ≤ 5VA |
| Communication Interface | RS485, Modbus-RTU Protocol; Baud rate up to 9600 bps |
| Display Mode | Three lines of 0.56-inch high-brightness red LED tubes |
| Isolation Voltage | Input/Power/Output: ≥ AC 2kV / 1 min; Insulation Res: ≥ 100MΩ |
| Panel Dimensions | 96 x 96 mm (Cutout: 92 x 92 mm) |
| Working Environment | Temperature: -10°C ~ +55°C; Humidity: ≤ 93% RH |
Superior Sensing & Data
- True RMS Measurement: Provides accurate readings for non-linear loads with high harmonic content.
- Modbus Integration: Industry-standard RS485 communication for remote telemetry and SCADA systems.
- High Current Handling: Designed to work with standard 5A CTs, supporting massive industrial current monitoring.
Industrial Reliability
- Flame Retardant Materials: High-grade ABS+PC housing for enhanced electrical and thermal safety.
- EMC Shielding: Optimized circuitry for high electromagnetic compatibility in substation environments.
- Easy Installation: Standard 96×96 panel mount with secure snap-in clips for fast deployment.
Industry Applications
🏭 Distribution Switchgear
Standard 3-phase current monitoring for GGD, GCK, and other LV cabinets.
🏗️ Infrastructure Projects
Reliable load tracking for high-rise buildings, commercial centers, and malls.
🔋 Energy Management
Essential data point for balancing phase loads and optimizing factory power usage.
Looking for a Detailed Quote or Custom Configuration?
SENTOP provides professional technical support and bulk wholesale pricing for high-precision 96×96 panel meters.





