SENTOP RM-3D3Y Series
Three-Phase Intelligent Multi-functional Meter | Full Electrical Parameter Monitoring
Comprehensive Power Monitoring
The SENTOP RM-3D3Y is a high-end intelligent three-phase multi-functional meter designed for comprehensive monitoring of power distribution systems. It is capable of measuring over 30 electrical parameters, including three-phase voltage, current, frequency, power factor, active power, reactive power, and cumulative energy. Equipped with high-brightness LED tubes and RS485 communication, it serves as an essential data terminal for smart grids, building automation, and industrial energy management systems.
Technical Specifications
| Performance Category | Detailed Technical Parameters |
|---|---|
| Measurement Parameters | Ua, Ub, Uc (Phase V); Uab, Ubc, Uca (Line V); Ia, Ib, Ic (Current); Total/Phase P, Q, S; PF, Hz, kWh, kVarh |
| Accuracy Level | Voltage/Current: Class 0.5; Power: Class 0.5; Active Energy: Class 0.5S; Reactive Energy: Class 2.0 |
| Signal Input | Network: 3-phase 3-wire / 3-phase 4-wire; Rated Voltage: AC 100V, 400V; Rated Current: AC 1A, 5A |
| Overload Capacity | Voltage: Continuous 1.2x, Instantaneous 2x (1s); Current: Continuous 1.2x, Instantaneous 10x (5s) |
| Input Impedance | Voltage Input: ≥ 300kΩ; Current Input: ≤ 20mΩ |
| Power Supply | Universal AC/DC 85 – 265V or AC 220V; Power Consumption ≤ 5VA |
| Communication | RS485 Interface, Modbus-RTU Protocol; Baud rate: 2400, 4800, 9600 bps |
| Display Mode | Three rows of high-brightness red LED digital tubes |
| Isolation Voltage | Input/Output/Power Supply: ≥ AC 2kV / 1 min; Insulation Resistance: ≥ 100MΩ |
| Dimensions & Cutout | Panel: 96x96mm, 80x80mm, 72x72mm; Standard Cutout required |
| Working Environment | Temperature: -10°C ~ +55°C; Humidity: ≤ 93% RH (non-condensing) |
Advanced Data Integration
- Modbus Connectivity: Fully compatible with industrial automation and monitoring software.
- Programmable Ratios: PT and CT ratios can be set directly via the front panel keys.
- Bidirectional Energy: Precise metering of both active and reactive energy imports/exports.
Industrial-Grade Design
- Superior EMC: Excellent electromagnetic compatibility ensures stability in substation environments.
- High Dielectric Strength: Reinforced insulation provides safety during unexpected voltage surges.
- Modular Mounting: Fast and secure snap-on clips for standard electrical cabinets.
Industry Applications
🏭 Distribution Cabinets
Standard monitoring terminal for GGD, GCK, and other LV switchgear systems.
🏢 Smart Buildings
Critical data collection for HVAC, lighting, and internal power billing systems.
☁️ Data Centers
Reliable phase-load tracking to maintain server room power balance and uptime.
Request a Detailed Quote or Custom Configuration
SENTOP provides professional technical support and bulk wholesale pricing for high-precision digital meters.
