| Customization: | Available |
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| After-sales Service: | 2 Year |
| Warranty: | 2 Year |
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DTSD1352 three phase din rail electric meter is a smart meter designed for power supply system,industrial and mining enterprises and utilities to calculate the electricity consumption and manage the electric demand. It features the high precision, small size and simple installation.
It integrates the measurement of all electrical parameters with the comprehensive electricity metering and management provides various data on previous 12 months, checks the 31st harmonic content and the total harmonic content, realizes the remote communication and the remote control with switching input and relay output and boasts the alarm output.
It is fitted with RS485 communication port and adapted to MODBUS-RTU protocol. All meters meet the related technical requirements of electronic power meter in the IEC62053-21,IEC62053-22 standards.
| Voltagespecification | Instrument model | Current specification | Matching current transformer | note |
| 3x220/380V | DTSD1352-xSyD | 3×250A | AKH-0.66/W-20Y Class 0.2 | For three-phase |
| 3×100A | AKH-0.66/Z-15Y Class 0.2 | |||
| 1×100A | AKH-0.66/W-12Y Class 0.2 |
Parameter
| Auxiliary Power Supply | AC/DC 85~265V; Power Consumption≤10VA | |||
| Input Single | Frequency | 45~65Hz | ||
| Voltage | Rated value: AC 3×220V/380V | |||
| Overload:1.2 times rated value(continuous) | ||||
| 2 times rated value/1 second | ||||
| Power consumption:≤ 0.5VA(per channel) | ||||
| Input signal | Current | Rated value:AC 250A,100A;(external closed port transformer) | ||
| Overload:1.2 times rated value(continuous) | ||||
| 10times rated value/1 second | ||||
| Power consumption ≤ 0.5VA(per channel) | ||||
| Measurement accuracy | Frequency 0.05Hz,voltage and current class 0.5, active energy class 1,.reactive energy class 2 |
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| 2-31st harmonic accuracy:±1% | ||||
| Function | Pulse output | Output mode: optocoupler pulse with the open collector(one out of two with active input) | ||
| Function | Communication | RS485 interface, Modbus-RTU protocol/QZTT 1017-2015 | ||
| technical specification for China Tower smart meter | ||||
| Baud rate 1200~38400 | ||||
| Switch-value | Input | 4-channels passive dry contact input, built-in power supply | ||
| 2-channels active wet node input, identify engine oil and power connection(or pulse output) | ||||
| output | Output mode: relay normally open contact output | |||
| Contact rating: AC 250V/3A DC 30V/3A | ||||
| Security | Power frequency withstands voltage | >AC 2kV/1min | ||
| Insulation resistance | Input and output end to housing | |||
| Environment | Working temperature:-20ºC~+60 C | |||
| Storage temperature:-40ºC~+70ºC | ||||
| Relative humidity≤95% no condensation | ||||
| Altitude≤2500m | ||||
| Electromagnetic compatibility | Better than level 3 | |||
Function
| Function | Description |
| Measurement of energy | All electrical parameters of x-channel three-phase andy-channel single-phase circuits are measured |
| Electrical parameters | U,1,F,P,Q,S,PF |
| Harmonic | 2-31st voltage and current harmonic |
| Extreme value record | U, I, P |
| Alarm output | Overvoltage, Over current, Phase break, DI linkage |
| Rate setting | 4 rate time zone 14 |
| Pulse output | Output mode: optocoupler pulse with open-collector(one out of two with active input) |
| communication | RS485 interface, Modbus-RTU, Baud rate 1200~38400 |
| DI | 4-channels passive dry contact input, built-in power supply2-channels active wet node input, identify engine oil and power connection(or pulse output) |
| DO | Output mode: relay normally open contact output Contact rating: AC 250V/3A DC 30V/3A; |
DTSD1352-4S Matching current transformers
| Type | Ratio | Line Length | Accuracy | Installation Method |
| AKH-0.66/W-12NY 100A/50mA | 100A/50mA | (1+0.2)m | 0.2 class | Closed type, crystal head interface |
| AKH-0.66/K-16N 100A/50mA | 100A/50mA | (1+0.2))m | 0.5 class | Open type, crystal head interface |
| AKH-0.66/W-20Y 200A/50mA | 200A/50mA | (1+0.5)m | 0.2 class | Closed type, crystal head interface |
| AKH-0.66/K-24N 200A/50mA | 200A/50mA | (1+0.5)m | 0.5 class | Open type, crystal head interface |
| AKH-0.66/W-30NY 250A/50mA | l250A/50mA | (1+0.5)m | 0.2 class | Closed type, crystal head interface |
| AKH-0.66/K-24N 250A/50mA | l250A/50mA | (1+0.5))m | 0.5 class | Open type, crystal head interface |
| AKH-0.66-TD-OD60-NY | 400A/50mA | (1+0.5)m | 0.2 class | Closed type, crystal head interface |
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