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Power Monitoring & Control
UL Energy Meter CT Operated RS485 Modbus Din Rail Three Phase
Instrava Curated Instruments presents a high-performance UL Energy Meter engineered for precise monitoring in complex three-phase power systems.
This CT Operated RS485 Modbus Din Rail Three Phase Energy Meter is designed for industrial-grade applications, delivering high-accuracy measurement, flexible installation, and reliable communication for modern energy management systems.
With UL 61010 certification, bi-directional energy tracking, and multi-parameter monitoring, it is an ideal solution for industrial facilities, commercial buildings, utilities, and renewable energy systems.
Key Highlights:
- UL certified (UL 61010 compliant)
- CT & PT operated for high-current systems
- RS485 Modbus RTU communication
- Bi-directional energy measurement
- Multi-parameter monitoring (kWh, PF, Hz, etc.)
- 2 pulse outputs for system integration
- DIN rail mounted (72mm, 4 module)
- Supports multiple wiring systems
Power Monitoring & Control Description
Energy Meter Core Advantages
UL Certified Energy Meter for Industrial Safety & Compliance
UL 61010 Certified for Reliable Operation
This UL Energy Meter complies with strict safety standards:
- Certified under UL 61010
- Suitable for global industrial markets
- Ensures safe operation in demanding environments
Ideal for regulated industries and critical infrastructure
CT Operated Design for High Current Measurement
- Supports 1A / 5A CT secondary input
- CT primary range: 1–9999A
- Eliminates need for direct high-current wiring
Provides safe, scalable, and flexible deployment
Advanced Multifunction Measurement Capabilities
Full Electrical Parameter Monitoring
This Three Phase UL Energy Meter measures:
- Voltage & current (RMS including harmonics)
- Active / reactive / apparent power
- Power factor & frequency
- Demand (DMD)
- Energy (kWh, kVarh)
Enables complete system visibility and diagnostics
Bi-Directional Energy Measurement
- Tracks import and export energy
- Supports renewable and grid-tied systems
Essential for solar PV and smart grid applications
High Accuracy and Stability
Precision Measurement Performance
- Voltage: ±0.5%
- Current: ±0.5%
- Frequency: ±0.2%
- Power: ±1%
- Energy: Class 0.5S
Ensures billing-grade accuracy and long-term reliability
Energy Meter Technical Highlights
RS485 Modbus Energy Meter for Reliable Communication
Industrial Standard Modbus RTU Protocol
This UL Energy Meter features:
- RS485 Modbus RTU interface
- Communication distance up to 1000m
- Address range: 1–247
- Baud rate: 2400–38400bps
Provides stable and cost-effective communication
Seamless Integration with Control Systems
- Compatible with SCADA, PLC, and EMS
- Supports remote monitoring and configuration
- Enables centralized energy management
Ideal for automation and industrial networks
Flexible Installation & System Compatibility
Multiple Wiring Configurations Supported
- 1P2W
- 1P3W
- 3P3W
- 3P4W
One meter fits multiple grid structures
Wide Voltage & Current Input Range
- Voltage:
- 100–277V (L-N)
- 173–480V (L-L)
- Current: CT-based measurement
Suitable for diverse industrial environments
Expandable Output & Communication Options
Multiple Output Interfaces Available
- Standard:
- 2 Pulse outputs + RS485 Modbus
- Optional versions:
- M-Bus (EN13757)
- LoRaWAN
- Dual power supply (2T)
Flexible for different system architectures
DIN Rail Compact Design
- 4 module (72mm width)
- Easy panel installation
- Space-efficient
Optimized for distribution cabinets
Power Monitoring & Control Parameter
| Input & Output | |||
| Input | Current
| CT Secondary | 1A/5A |
| CT Primary | 1-9999A | ||
| Min Current | 0.05A | ||
| Starting Current | 5mA | ||
| Voltage | Rated Voltage (Un) | 3 x 230/400V AC | |
| Voltage Range | 100-277V AC (L-N) 173-480V AC (L-L) | ||
| Output | SDM630MCT/ MT | 2 Pulse Outputs + RS485 Modbus | |
| SDM630MCT-2T | 2 Pulse Outputs + RS485 Modbus + 2T (Dual Power Source) | ||
| SDM630MCT-MB | 2 Pulse Outputs + M-bus EN13757 | ||
| SDM630MCT-MB-2T | 2 Pulse Outputs + M-bus EN13757 + 2T (Dual Power Source) | ||
| SDM630MCT-LR | 2 Pulse Outputs + LoraWAN | ||
| RS485 Modbus Communications | |
| Communication Address | 1~247 |
| Transmission Distance | 1000m Maximum |
| Transmission Speed | 2400bps~38400bps |
| Parity | None (default), Odd, Even |
| Stop Bits | 1 or 2 |
| Response Time | <100 mS |
| M-Bus EN13757-3 Communications | |
| Communication Address | 1~250 |
| Transmission Distance | 1000m Maximum |
| Baud Rate | 300bps~9600bps |
| Parity | None (default), Odd, Even |
| Stop Bits | 1 or 2 |
| LoRaWAN Communications | |
| Communication Frequency | EU868/ AS923/ AU915/ US915, etc. |
Instrava OEM/ODM
Reliable Instruments. Solutions That Fit Your Application.
Instrava is focused on delivering reliable industrial solutions through carefully curated products, application-driven optimization, and flexible customization. We select proven instruments from trusted manufacturers to ensure consistent quality, optimize solutions based on real working conditions to solve practical challenges, and provide tailored configurations to meet specific application needs.
By combining selection expertise with application understanding, Instrava helps customers reduce risk, improve efficiency, and achieve dependable results in complex industrial environments.
What is a UL Energy Meter and why is UL certification important?
A UL Energy Meter is a power monitoring device that has been tested and certified under UL safety standards such as UL 61010. This certification ensures the meter meets strict requirements for electrical safety, insulation, and operational reliability.
For users, this means:
- Reduced risk in electrical installations
- Compliance with North American regulations
- Higher trust in industrial and commercial projects
Why choose a CT operated energy meter instead of direct connection?
A CT operated energy meter is designed for applications where current levels are too high for direct measurement. Instead of passing the full load current through the meter, it uses current transformers to scale the signal.
Advantages include:
- Safer installation in high-current systems
- Reduced wiring complexity
- Flexibility to adapt to different load capacities
How does RS485 Modbus communication benefit energy monitoring systems?
RS485 Modbus RTU is widely used in industrial environments due to its stability and long-distance capability.
Key benefits:
- Communication distance up to 1000 meters
- Reliable data transmission in noisy environments
- Easy integration with PLC, SCADA, and EMS systems
This makes it ideal for distributed energy monitoring networks
Can this UL Energy Meter be used in renewable energy systems?
Yes. With bi-directional measurement capability, this meter can accurately track both energy consumption and energy generation.
It is commonly used in:
- Solar PV systems
- Net metering applications
- Microgrid and distributed energy systems
What parameters can this Three Phase Energy Meter measure?
This multifunction UL Energy Meter provides a complete set of electrical measurements, including:
- Voltage and current (true RMS)
- Active, reactive, and apparent power
- Power factor and frequency
- Energy consumption (kWh, kVarh)
- Maximum demand
This enables full energy analysis, diagnostics, and optimization
How do you select the right Three Phase Energy Meter for your application?
When selecting a Three Phase Energy Meter, consider:
- Current level → choose CT operated for high current
- Communication → RS485 for industrial networks
- Accuracy class → Class 0.5S for precise monitoring
- Certification → UL required for compliance
- System type → ensure compatibility with wiring configuration
👉 This ensures optimal performance and long-term reliability
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Focused on Industrial Applications
We specialize in industrial analysis and detection, with a clear understanding of real-world operating environments and requirements.
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Every instrument is evaluated based on performance, stability, and application suitability—not just specifications or pricing.
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