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Single Phase UL Energy Meter RS485 Modbus DIN Rail
Instrava Curated Instruments presents a compact and certified Single Phase UL Energy Meter designed for reliable and cost-effective energy monitoring in modern electrical systems.
This RS485 Modbus Digital Input DIN Rail Energy Meter integrates multi-parameter measurement, bidirectional energy tracking, and remote communication, making it ideal for applications such as solar PV systems, EV charging, residential energy monitoring, and industrial sub-metering.
With UL approval and 100A direct connection, it eliminates the need for external CTs, simplifying installation while reducing total system cost.
Key Highlights:
- UL approved single phase energy meter
- Direct connection up to 100A (no CT required)
- RS485 Modbus + pulse output
- Bi-directional energy measurement (import/export)
- DIN rail-mounted compact design (36mm width)
- Digital input for status monitoring
- Backlit LCD display
Applications:
Residential Energy Monitoring | Solar PV Systems | EV Charging | Sub-metering | Smart Buildings
Power Monitoring & Control Description
UL Certified Single Phase Energy Meter Core Advantages
UL Certified Single Phase Energy Meter for Safe & Reliable Monitoring
UL Approved for Compliance and Market Access
This Single Phase UL Energy Meter meets strict UL certification requirements:
- Fully compliant with UL standards
- Suitable for North American markets
- Ensures safety and regulatory compliance
Ideal for projects requiring certified electrical devices
100A Direct Connection Without External CT
- Supports up to 100A direct load
- Eliminates external CT wiring
- Reduces installation cost and complexity
Perfect for residential and small commercial applications
Multifunction Measurement for Complete Energy Visibility
Full Electrical Parameter Monitoring
This Single Phase Energy Meter provides:
- Energy: kWh, kVarh
- Power: W, Var, VA
- Voltage, current
- Power factor, frequency
- Maximum demand
Enables accurate and comprehensive energy analysis
Bi-Directional Energy Measurement for Solar & Grid Systems
- Import and export energy measurement
- Suitable for grid + solar PV systems
- Supports net metering applications
Essential for renewable energy and distributed systems
Compact DIN Rail Energy Meter with Flexible Integration
Space-Saving DIN Rail-Mounted Design
- Standard DIN rail installation
- Ultra-compact 2-module (36mm width)
- Ideal for distribution boards
Optimized for panel space efficiency
Digital Input for Extended Monitoring
- Built-in digital input
- Supports status monitoring (e.g. breaker, switch)
Enhances system visibility and control
UL Certified Single Phase Energy Meter Technical Highlights
RS485 Modbus Energy Meter for Smart Systems
Reliable Communication for Remote Monitoring
This RS485 Modbus Energy Meter supports:
- RS485 communication interface
- Modbus protocol
- Optional DL/T645 compatibility
Easy integration into SCADA, EMS, and IoT platforms
Pulse Output for Energy Data Transmission
- 2 pulse outputs
- Suitable for external data loggers and PLCs
Enables flexible system integration
User-Friendly Display & Operation
Backlit LCD for Clear Data Visualization
- High-contrast LCD display
- Backlight for low-light environments
- Real-time parameter display
Improves user experience and readability
Simple Setup and Configuration
- Easy parameter setting
- Quick installation
- Minimal maintenance
Reduces engineering effort and time
Designed for Modern Energy Applications
Ideal for Solar, EV Charging & Smart Buildings
This Single Phase UL Energy Meter is widely used in:
- Solar PV systems
- EV charging stations
- Residential energy monitoring
- Industrial sub-metering
Supports modern distributed energy systems
Cost-Effective Energy Monitoring Solution
- Combines multiple functions in one device
- Reduces hardware and installation cost
- Long-term reliable performance
Delivers high value at low cost
Power Monitoring & Control Parameter
| Electrical Characteristics | ||
| Type of Measurement | RMS on single phase AC system (1P+N) | |
| Measurement Accuracy | Voltage | |
| Current | ±0.5% | |
| Frequency | ±0.2% | |
| Power Factor | ±0.01 | |
| Active Power | ±1% | |
| Reactive Power | ±1% | |
| Apparent Power | ±1% | |
| Active Energy | Class 1 or 0.5 IEC62053-21 Class B or C EN50470-3:2022 | |
| Reactive Energy | Class 2 IEC62053-23 | |
| Input & Output | |||
| Input | Current
| Rated Current (Ib/Iref) | 10A |
| Max Current(Imax.) | 100A | ||
| Min Current(Imin.) | 0.15A | ||
| Voltage | Operation Voltage | 230V AC | |
| Output | SDM230-P | 2 Pulse Output for imp/exp. energy | |
| SDM230-M | 2 Pulse Output + RS485 Modbus | ||
| SDM230-MB-2T | 2 Pulse Output + M-bus EN13757 + 2 Tariffs (Dual Power Source) | ||
| SDM230-2T | 2 Pulse Output + RS485 Modbus + 2 Tariffs (Dual Power Source) | ||
| SDM230-DI | 2 Pulse Output + RS485 Modbus + Digital Input | ||
| RS485 Modbus Communications | |
| Communication Address | 1~247 |
| Transmission Distance | 1000m Maximum |
| Transmission Speed | 1200bps~115200bps |
| Parity | None (default), Odd, Even |
| Stop Bits | 1 or 2 |
| Data Bits | 8 |
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.
Related Product Recommendations
What is a Single Phase UL Energy Meter?
A Single Phase UL Energy Meter is a certified device that measures electrical energy and parameters in single-phase systems while meeting UL safety standards.
Does this energy meter require an external CT?
No. It supports direct connection up to 100A, eliminating the need for external current transformers.
Can this meter measure solar energy export?
Yes. It supports bi-directional measurement, allowing it to track both imported and exported energy in solar systems.
What communication protocol does this meter support?
It supports RS485 Modbus, and optionally DL/T645, making it suitable for integration into monitoring systems.
What is the benefit of DIN rail mounting?
What is the benefit of DIN rail mounting?
What is the function of digital input in this meter?
Digital input allows monitoring of external device status, such as switches or circuit breakers.
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Why Choose Instrava
Built on Consistency, Not Claims
Focused on Industrial Applications
We specialize in industrial analysis and detection, with a clear understanding of real-world operating environments and requirements.
Strict Product Selection Criteria
Every instrument is evaluated based on performance, stability, and application suitability—not just specifications or pricing.
Reliable Supply & Quality Consistency
We work with trusted manufacturers to ensure stable supply, consistent quality, and dependable delivery.
Practical, Experience-Based Support
Our recommendations are grounded in application understanding, helping customers avoid common issues and achieve reliable results.
Instrava is built to reduce uncertainty—so every decision you make is clearer, safer, and more reliable.
