Customization: | Available |
---|---|
After-sales Service: | Available |
Warranty: | Two Years |
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LNF53 | LNF56 | LNF66 | ||
Dimension (mm) |
72×72×44.5
|
96×96×34
|
96×96×96
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|
Real-time measurement |
U/I/P/Q/S/FPF | Yes | Yes | Yes |
Demand | Yes | Yes | Yes | |
Energy metering |
Bi-directional energy
|
Yes | Yes | Yes |
Four-quadrant reactive energy
|
Yes | Yes | Yes | |
Power quality monitoring | Unbalance | Yes | Yes | Yes |
THD | NO | NO | Yes | |
2nd-15th harmonic content | NO | NO | Yes | |
Input & Output | Energy pulse | 1 | 1 | 2 |
RS485 communication interface | 1 | 1 | 1 | |
Digital input | NO | NO | Optional | |
Relay output | NO | NO | Optional |
Item | |||
Accuracy |
Voltage, current: 0.2%; Power: 0.5%; Frequency: ±0.01Hz; Active energy: 0.5S
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Display date update time | 1s | ||
Signal Input | Voltage | Rated voltage | AC110V/AC380V |
Overload | Continuous: 1.2Un. instantaneous:2Un/1min | ||
Energy consumption | ≤0.1VA | ||
Current | Rated voltage | 1A/5A | |
Overload | Continuous: 2ln. instantaneous:10ln/5s | ||
Energy consumption | ≤0.2VA | ||
Frequency |
45~65Hz
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Communication |
RS485 interface
|
Modbus-RTU protocol, baud rate up to 9600bps
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|
Energy pulse |
Optocoupler isolation, pulse width 80ms±20%
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Digital input |
Optocoupler isolation, passive dry contact
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Relay output |
Contact capacity AC250V 5A or DC 30V 5A
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Auxiliary power supply | Working range |
AC/DC 80~270V
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|
Energy comsumption |
≤5VA
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Environment condition | Working temperature |
-10ºC~55ºC
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|
Storage temperature |
-25ºC~70ºC
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Relative humidity |
≤93%RH
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Altitude |
≤2500m
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||
Safety condition | Insulation |
Signal, power supply, output terminals to case resistance≥100MΩ
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|
Withstand voltage |
Power supply, input and output≥2kV
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||
Protection level |
IP54
|
Networks | Communication | Accuracy | Power Quality |
-TH,TT,IT networks | -Interface:RS485 -Protocol: Modbus-RTU |
-Energy:0.5S -Voltage :0.2% -Current:0.2% |
-THD -Harmonics up to 15th -Unbalance |
Dimensions
Typical Wiring