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| Warranty: | 2 Years |
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DTSD1352-xSyD series rail type multi-loop power meters are mainly used for measuring the full electric parameters of multiple three-phase circuits, Up to X three-phase loop and Y one-phase loop, current inputs can be connected simultaneously.
It Can measure voltage and current, power, power factor, phase angle, unbalance, harmonic and other parameters.
| 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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