19D-37D Three Din-rail 30 Amp Kwh 3 Phase Smart Prepaid Electric Energy Meter Sub-meter
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19D-37D Three Din-rail 30 Amp Kwh 3 Phase Smart Prepaid Electric Energy Meter Sub-meter
Description
19D series meter is designed for DIN-RAIL mounting, suitable for residential energy metering and smart energy project. The Modbus-RTU and pulse output communication allow seamless integration with data acquisition systems. Various sub-models are available, and prepaid (IC card) is optional. 19D series can transmit data by wireless (4G/5G, Rolar etc.). Moreover, extension modules are available in built-in and external these two versions.
The 19D-37D three-phase rail energy meter is an intelligent device for medium and low voltage systems (6-35KV and 0.4KV). It integrates data acquisition and control functions, adopts segment code LCD screen, and has functions including three-phase AC power measurement and calculation, Electricity accumulation, RS485 communication. In addition, the device can also be equipped with functions such as multi-rate energy metering, maximum demand metering, and 1 channel relay alarm output. The device also provides a communication interface to connect with the computer monitoring system, and supports the RS485 interface MODBUS-RTU or DL/T645-2007 communication protocol.
Features
l 35mm DIN-rail install
l Tamper-proof design approved for revenue applications
l 10-400Vac direct voltage input, optional VTs connect
l 80A current direct input, 0.04A start current.
l Optional Multiple types CTs input: 5A/1A, 333mV, 100mA
l Compatible with both 50Hz and 60Hz systems
l Large LCD screen with backlight
l Built-in energy pulse output and alarm output
l RS-485 port built-in with Modbus-RTU
l Optional multiple tariffs and prepaid billing function
l Optional 1 channel relay output
l Utility Revenue Grade Accuracy
IEC 62053-21 1.0 Class / IEC 62053-22 0.5 Class
Application
l Replace mechanical electric meter
l Tenant sub-billing
l Cost allocation
l Energy efficiency & benchmarking
l Procurement optimization
l Power availability
l Demand response / load curtailment
Specification
Measurement Signal Input | |
Voltage | AC110V, 220V, 380V |
Current | 10A, 20A, 40A, 80A |
Overload | 1.2 times rated continuous; |
10sec @2 times of rated voltage | |
1sec @10 times of rated current | |
Accuracy | Current: 0.5%, RMS |
Voltage: 0.5%, RMS | |
Active power: 1% | |
Reactive power: 2% | |
Load Resistance | Voltage>1MΩ |
Current<10mΩ | |
Power consumption | Voltage<0.1VA |
Current<0.4VA | |
Frequency | 40~65Hz |
Auxiliary power supply | |
Range | AC 85-465V |
Consumption | ≤4VA |
Operating conditions | |
Operation Temperature | -10~55°C |
Storage Temperature | -30~70°C |
Altitude | ≤2000m |
Operation Humidity | 93%RH (Noncondensing) |
Isolation capacity | |
Withstand Voltage | Input and AUX >2KV |
Input and output >2kV | |
Aux and output >2kV | |
Isolation | Input/ output>5MΩ |
Outputs (pulsed) | |
Pulse | 1600 imp/kwh |
1 channel active energy pulse output | |
Communication | |
Interface | Modbus-RTU |
RS-485 | |
Optional: DL/T645-2007 protocol | |
Physical parameters | |
IP Protection | IP40 front panel and IP20 casing |
Module Width | 7 module (1 module is 17.5mm) |
Weight | 310g |
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