Din Rail Mounted Energy Meter
Leading Din Rail Mounted Energy Meter Manufacturer in China
Dadao is a preeminent entity producing Din Rail Mounted Energy Meters in China. We have been in this field for years and are able to offer any and every solution for your energy management needs and much more. Reach us out!

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Dadao's Din Rail Mounted Energy Meter Solution
wide range of Applications
The low Class Ac (1.0 and 2.0 options) and compact applications boost its desirability across a wide range of uses.
CE Documents
The experts are CE documents and 2 year warranty certified and have an average operating time of over 50,000 hours.
Different Configuration Options for System Phases
Different configuration options from Basic, Multi Functional, and Multi Rate single phase or three phase systems.

Smart Systems for Display
Smart systems for Digital integration of Power Management Proprietary Software Integration with automated power management systems.
Easy Assembly Maintenance
Rugged Environmental tolerance from - 10 Degree Celsius to 45 Degree Celsius with 95 percent Humidity and Easy Assembly Maintenance.
Installation constraints vary based on commercial or industrial use
Options based installation constraints as per requirement for both commercial or industrial energy monitoring.
DIN-Rail Mounted Energy Meter (State Grid Type) for sale
DN118Y
DN135
DN175
DN3125


DN118Y
This LCD set meter monitors energy usage while recording electricity data even in case of electricity failure. It can be programed to operate with Modbus-RTU for connecting with billing systems. Suitable for use in residences, harbours, shopping complex, and central business district structures.
- Accuracy: ±1%
- Current: 5(60)A
- Voltage: 220V
- Operating environment: -20℃-55℃.


DN135
This compact, reliable instrument comes with an LCD, parametric adjustments, energy pulse output, and RS485 communication, which allows for seamless automated power management. It is highly accurate and can be installed with ease.


DN175
The display is equipped with the 458 communication interface and is capable of information transfer complying with the DL/T645-2007 (saving default) and RTU-MODBUS provisions. Functions include voltage and current measurement, local IC card prepayment and optionally remote management features.


DN3125
The LCD panel gives instantaneous measurements of current, voltage, power, frequency, and energy. The device works, as factory set, with DL/T645-2007 protocol and also supports R485 communication, optionally it can support RTU-MODBUS. The DN3125Y model has an IC card with prepaid and remote control capabilities.
Technical parameters of Din Rail Energy Meter (State Grid Type)
Items | Specifications |
---|---|
Accuracy Level | Level 1.0, Level 2.0, Active Power 0.5 |
Rated Voltage | 220V, 3X57.7/100V, 3X220/380V |
Current Specifications | 10(40)A, 20(80)A, 3 x 1.5(6)A, 3 x 5(80)A |
Operating Voltage | Normal: 0.9-1.1un, Limit: 0.7-1.2un |
Reference Frequency | 50HZ or 60HZ |
Starting Current | Direct Access: 0.004 the Ib, Access via CT: 0.002 In |
Power Consumption | Voltage Line: ≤5VA/phase, Current Line: < 4VA/phase |
Pulse Output | Pulse Width: 80ms±20ms, Optocoupler isolation, open collector output |
Digital Communication | DL/T645-2007 |
Clock Error | 0.5 s/d or less |
Temperature Range | Normal: -10℃ to +45℃, Limit: -10℃ to +45℃, Storage: -40℃ to +70℃ |
Relative Humidity | ≤95% (no condensation) |
Overall Dimensions (L x W x H) | 76x91x75(mm), 120x100x75(mm) |
Mean Trouble-Free Operating Time | ≥50000 hours |
Technical drawings of Din Rail Mounted Meter (State Grid Type)
DIN-Rail Mounted Energy Meter (IoT Type) for sale
DN175
DN3125


DN175
The modern metering system can accurately track energy flow in a one-way or a two-way direction and is capable of monitoring either single phase or three-phase processes. This technology also boasts multi-tariff capabilities, data accuracy, RS485.c networking protocols for area-based metering, and selector switches. It is effective, customizable, and perfect for multiple energy tracking requirements.


DN3125
An advanced energy meter with 7 customizable parameters, equipped with either NB-IoT, WiFi, or RS485. This energy meter allows remote payment options and supports both prepayment and post payment providing room for flexibility.
Technical parameters of Din Rail Energy Meter (IoT Type)
Items | Technical indicators | ||||
2P | 4P | 7P | |||
accuracy level | Level 1.0 Level 2.0 | Active Power 0.5 | |||
Rated voltage | 220V 3X57.7/100V, 3X220/380V | ||||
Current Specifications | 10(40)A 20(80)A 3 x 1.5(6)A 3 x 5(80)A | ||||
Operating voltage | Normal operating voltage range 0.9-1.1un | ||||
Limit operating voltage range 0.7-1.2un | |||||
Reference frequency | 50HZ or 60HZ | ||||
Starting current | Direct access | 0.004 the Ib | |||
Access via CT | 0.002 In | ||||
Power consumption | Voltage line | ≤5VA/ phase | |||
Current line | < 4VA/ phase | ||||
Pulse output | Pulse width: 80ms±20ms; Optocoupler isolation, open collector output | ||||
Digital communication | DL/T645-2007 | ||||
Clock error | 0.5 s/d or less | ||||
Temperature range | Normal operating temperature -10℃-+45℃ | ||||
Limit working temperature: -10℃-+45℃; Storage temperature: -40℃+70℃ | |||||
Relative humidity | ≤95% (no condensation) | ||||
Overall dimensions (L x W x H) | 76x91x75(mm) | 120x100x75(mm) | |||
Mean trouble-free operating time (h) | ≥50000 |
Technical drawings of Din Rail Mounted Meter (IoT Type)

why choose Dadao Factory's Din Rail Mounted Power Meter
All energy meters from Da’dao Factory are highly precise and measurement is done according to international standards, for example active energy measurement accuracy is at grade one of one standard percent deviation. This makes them suitable for use on residential, commercial, and industrial premises as they are highly dependable.
Key Parameters:
- Accuracy: ±1% active energy.
- Energy Pulse Output:800pulses/kWh ensures the requirement of additional monitoring devices is minimized.
- Certification: IEC62053-21 complied and IEC62052-11
- These specifications increase the appeal of the Da’dao meters to users with ever increasing energy consumption precision requirements.
Energy Meters that support rapid installation of meters are purchased by buyers such as Smart City that operate in space constraint regions. They also note that the design of the Da’dao meters enables even 35 mm din rails making installation simpler.
Key Parameters:
- Model DDM730 Dimensions/Dimensions . 3.46 ” x 2.95 ” x 2.87 ” Model LCD Display Meter 36mm x 63mm x 90mm Weight 1.0 ” (easy mobility) Mounting: DIN EN50022 standard compatible universal mounting
- It has been noted by foreign buyers that installation only requires simple tools and as the dimensions of the meter are within a compact range it becomes easy to fit the meter in small areas or smart switch cabinets.
Systems incorporating features like RS485 communication and support for the Modbus-RTU protocol can communicate with cloud services or be a part of AMR systems.
Key Features:
Remote data retrieval using RS485 Interface. Cloud infrastructure compatibility for data collection and computational analysis. Energy Pulse Width (e.g. 80 +-20%) guarantees the accuracy of message transmission. Foreign real estate managers as well as industrial clients are able to view energy metrics of their assets on the PC, mobile phone or centralized servers anytime leading to a suitable energy management solution for them.
One more reason for increasing popularity of Dadao meters is their reasonable pricing without sacrificing on the quality. Price-wise, there are viable options for bulk purchase, making these units very convenient for sub metering projects.
Key Features:
Cost estimates:Basic models of single-phase energy meters can be bought for $20-$60 a piece, while the more advanced systems are more expensive. Durability helps minimize the need for replacement a lot saving the replacement costs in the long run.
Dadao devices help reduce costs in real estate management by allowing for accurate energy waste monitoring and billing leading to a higher ROI on the property.
When it comes to safety and optimum functionality, international buyers will always utilize global benchmarks. The Dadao offers energy meters which hold certifications such as LC, CE, ISO and other benchmarks like IP54 (panel protection) as well.
Key Parameters:
- Voltage Ratings:There are 120/240V or 230V configurations available
- Currents:The Direct input are up to 100A
- Power Surge:Protection up to 4kV for better handling
- Capable to operate on frequency of 50/60Hz
Welcome to Dadao's Din Rail Power Meter factory
Look no further than Dadao’s Factory for dependable Din Rail Power Meters. The units are built to be precise and durable, capable of being used in both residential and industrial energy monitoring systems.
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Frequently Asked Questions
Q: Explain what a din rail mounted energy meter is.
A: A din rail mounted energy meter is an equipment which is used to measure and monitor the energy consumed by a device. They are mostly used in industries and buildings in order to keep track of their energy consumption practices.
Q: What is the Working Principle of a din rail energy meter?
A: The operation of din rail energy meter is quite simple. Firstly, it measures the electric current and electric voltage and then it computes the amount of energy consumed over a given period of time. It is capable of converting the readings into the unit of kilowatt-hours apart from capturing other information such as voltage and current levels along with active power values.
Q: Describe application areas of din rail energy meters.
A: Din rail energy meters have a large range of applications including energy management, building automation systems, domestic and commercial housing energy measurement, power monitoring etc. They are also used for load control and monitoring to improve energy efficiency and reduce cost.
Q: Do single-phase and three-phase din rail energy meters have any differences?
A: Single phase din rail energy meter is best suited for single phase energy systems that could be found in households. On the other hand, three-phase din rail energy meter is intended for three-phase systems and is mainly utilized in industrial and commercial facilities as it provides robust power monitoring systems.
Q: In what ways do analog and digital energy meters differ?
A: A digital energy meter offers a wide range of functionalities in addition to providing accurate energy readings. Digital energy meters generally come equipped with data logging, remote monitoring, and some communication capabilities. An analog meter displays energy usage through mechanical means, and as a result, may fall short of the same level of accuracy or extra features.
Q: A din rail mounted energy meter, can it measure kWh consumption accurately?
A: Yes, a din rail mounted energy meter is designed to accurately measure kWh consumption. This is done while ensuring these meters are of high quality and well calibrated with the aid of some features, which facilitate effective monitoring and management of expenses.
Q: What advantages does a din rail energy meter has over say an ordinary meter which is not mounted?
A: Benefits of using a din rail mount energy meters include, quick and easy installation, reduced compactness, link up with existing electrical panels, and the ability to put up multiple devices on one rail. This kind of setup is benefit for looking out for space and page maintenance in an upgrade.
Q: What benefits do you gain from implementing a 3 phase digital energy meter?
A: The advantage of installing a 3 phase digital energy meter is that it assists in fully monitoring the consumption of energy in all three phases of the electrical system. This allows the user to balance out power, optimize its use, and avoid wastage of energy enhancing efficiency of energy systems.