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
Tailored Sourcing & Customization: Getting You the Exact Product You Need
As your trusted supplier and sourcing partner, we bridge the gap between your custom requirements and China’s vast manufacturing capabilities.
Finding the right product in a massive supply chain can be challenging. That is where we step in.
As a curated industrial supplier, our core value is simple: we stand in your shoes to help you procure the most optimal products. Whether you are an EPC contractor needing specialized technical compliance, an OEM equipment manufacturer looking for custom branding, or an industrial distributor/trader seeking competitive edge, we customize and tailor products to fit your exact procurement needs.
How We Customize to Fit Your Procurement Needs
For EPC Contractors & Engineers: We custom-configure instruments and devices to match your precise datasheets—tailoring process connections, exotic materials, signal protocols, and managing third-party calibration and testing so you get project-ready solutions.
For OEM Equipment Manufacturers: We provide comprehensive OEM/ODM customization, including custom housing, labeling, branding (private labeling), and tailored technical specifications to seamlessly integrate with your machinery.
For Industrial Distributors & Traders: We offer flexible customization in packaging, product ranges, and technical parameters, helping you differentiate your portfolio and win more local bids.
Why Partner with Us for Custom Sourcing?
One-Stop Engineering Alignment: You don’t have to deal with multiple factories. We translate your technical requirements into precise manufacturer blueprints.
Strict Quality & Compliance Safeguard: We oversee the entire customization and production process in China, ensuring the final customized product meets your local standards and certifications.
Our Ultimate Value: We don’t just sell what’s on the shelf. We find, customize, and deliver the most suitable and cost-effective product for your unique application.
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
Why Trust Instrava?
We select manufacturers from a neutral, impartial standpoint, always with your best interests in mind.
Our very existence depends on helping you source the products that are the perfect fit for your needs.
Based in China, we are able to conduct on-site inspections of production environments and product quality firsthand.
We help you avoid intermediaries posing as factories.
We facilitate smoother after-sales support, eliminating time zone issues and the delays often associated with dealing directly with factories.
Our multilingual team ensures effective communication.
For a trading startup, every interaction with a client is a precious opportunity—a sign that you are willing to place your trust in us and give us the chance to prove ourselves.
In the digital age, while information is easily accessible, misconceptions often cloud the trust between people.
Instrava relies entirely on trust; it is our core philosophy and the foundation of our existence in society. It is the fundamental basis for our long-term growth and our commitment to serving the community.
Please place your trust in us.
