Single Phase Voltage Transmitter with RS485 Modbus for DIN Rail Power Monitoring
Instrava Curated Instruments — Reliable Single Phase Voltage Measurement Starts Here
At Instrava, we go beyond simply supplying instruments. Through our Curated Instruments approach, each single phase voltage transmitter is carefully evaluated and selected from trusted manufacturers—ensuring stable performance, consistent accuracy, and long-term reliability.
Designed for modern electrical systems, this DIN rail single phase voltage transmitter with RS485 Modbus output delivers precise measurement and seamless integration into industrial automation, power monitoring, and smart energy platforms.
With our Optimized Solutions philosophy, we help customers deploy voltage measurement devices that perform reliably in real-world environments—enhancing operational efficiency, data accuracy, and system intelligence.
Power Monitoring & Control Description
High-Accuracy DIN Rail Single Phase Voltage Transmitter for Industrial Applications
Engineered for precision and durability, this single phase AC voltage transmitter converts electrical voltage signals into standard analog outputs (4–20mA / 0–5V) or digital signals via RS485 Modbus RTU.
Key Features & Benefits
- ±0.5% High Accuracy Measurement
Ensures reliable voltage monitoring for industrial control systems and energy management. - Dual Output Capability (Analog + RS485 Modbus)
Supports voltage to 4-20mA converter functionality and digital communication for SCADA/PLC integration. - Wide Voltage Input Compatibility
Designed for AC 100V / 220V / 400V single phase systems, suitable for diverse electrical networks. - Fast Data Update Rate (1s)
Enables near real-time monitoring for critical systems. - DIN Rail Mount Design
Easy installation in distribution panels and control cabinets.
Typical Applications
- Single phase power monitoring systems
- Industrial automation panels
- Smart energy management systems
- Building electrical monitoring
- Data center auxiliary power systems
Built for Harsh Environments & Smart Monitoring Systems
This RS485 Modbus single phase voltage transmitter is designed to perform reliably in demanding industrial environments while supporting digital transformation.
Advanced Performance Highlights
- Wide Operating Temperature (-40°C to 70°C)
Ensures stable operation in extreme environments. - Strong EMC Performance (Above Level III)
Excellent resistance to electromagnetic interference. - High Insulation Protection (≥2kVAC)
Guarantees electrical safety and signal stability. - Flexible Power Supply Range
Supports AC/DC wide voltage input for industrial adaptability.
Smart System Integration
- Compatible with PLC, SCADA, and IoT gateways
- Enables remote monitoring via Modbus RTU RS485
- Provides reliable data for AI-driven energy analytics and predictive maintenance
Power Monitoring & Control Parameter
| Parameter | Specification |
|---|---|
| Accuracy | ±0.5% |
| Data Update Rate | 1s |
| Input Current | AC 1A / 5A |
| Input Voltage | AC 100V / 220V / 400V |
| Frequency | 45–65Hz |
| Overload Capacity | 2× continuous rated value |
| Power Supply | AC 80–270V / DC 100–350V |
| Power Consumption | ≤5VA |
| Analog Output | 4–20mA (≤350Ω), 0–5V (≥20kΩ) |
| Communication | RS485, Modbus RTU, 2-wire, up to 9600bps |
| Operating Temperature | -40°C to 70°C |
| Storage Temperature | -40°C to 85°C |
| Humidity | ≤93%RH |
| Insulation | ≥2kVAC |
| Installation | DIN Rail |
| Altitude | ≤2500m |
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 single phase voltage transmitter?
A single phase voltage transmitter is a device that measures AC voltage in a single-phase system and converts it into standardized analog signals (4–20mA, 0–5V) or digital outputs like RS485 Modbus for monitoring and control.
How does a DIN rail voltage transmitter work?
A DIN rail mounted voltage transmitter is installed inside an electrical panel, where it continuously measures voltage and transmits data to PLC or SCADA systems via analog or digital signals.
What is the advantage of RS485 Modbus in voltage transmitters?
RS485 Modbus enables long-distance, noise-resistant communication, allowing multiple devices to connect in industrial networks for centralized monitoring and smart energy systems.
Can this voltage transmitter output both analog and digital signals?
Yes, this model supports dual output, including analog signals (4–20mA or 0–5V) and digital communication via RS485 Modbus RTU.
What environments are suitable for this voltage transmitter?
With an operating range of -40°C to 70°C and strong EMC performance, it is suitable for harsh industrial environments, including factories, outdoor installations, and energy systems.
What is the difference between a current transducer and a current transmitter?
A current transducer is a broad term for devices that convert electrical current into measurable signals, which can include analog outputs (such as 4–20mA or 0–10V) or digital signals (such as Modbus or Ethernet). It is commonly used in energy monitoring, automation systems, and data acquisition applications.
A current transmitter, on the other hand, is a specific type of current transducer designed to output standardized industrial signals, typically 4–20mA, for integration with PLC or DCS control systems. It focuses on stable signal transmission in process control environments.
In modern applications such as AI data centers, current transducers are more widely used due to their flexibility, digital communication capabilities, and compatibility with SCADA, DCIM, and cloud-based monitoring systems.
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.
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