Product material: ABS
Measuring Range: 0-9999
Accuracy Class: 0.5
Supply Voltage: AC 220V AC 380V AC100V
Operating Temperature: -10 ~+55 ° C
Dimensions: 96*96
Dimension: customized | custom processing: Yes | Measuring range: 0-9999 |
Model NO.: LH-3AA | accuracy class: 0.5 | Installation: embedded |
Usage: high precision measurement of three phase AC ampere | Auxiliary power supply: DC 80V-270V, DC48V, DC24V, AC220V |
Perfomance Characteristics |
High precision measurement measurement of three phase AC current |
Provide the digital tube display, local data query |
Programmable voltage ratio |
Support for RS-485 communication, Modubus-RTU protocol |
Support for switching input, output, analog quantity transmitting output |
Auxiliary power supply: AC/DC 80V~270V, AC220V, AC380V, AC100V, DC48V, DC 24V |
A variety of shapes, to meet the different requirements of the cabinet body electric circuit |
Technical Index |
Accuracy of measurement | Electric current 0.5 |
Singal input | Connection mode of three phase four wire, three phase three line |
| Rated current of AC 1A, AC 5A |
| Over load 1.2 times ( Continued ), 2 times / second ( instantaneous ) |
| Power consumption < 0.4VA/phase |
| Impedance < 20mΩ |
| The frequency of 45~65Hz |
Auxiliary power supply | AC/DC 80V~270V, AC220V, AC380V, AC100V |
| Power consumption < 4VA |
Function module | Communication interface 1 way RS-485 communication, Modbus-RTU protocol |
| Baud rate: 1200~9600bps, the default 2400bps |
| Switch input support 4 stem node input |
| The switch output support 3 relay output, capacity: AC 250V/5A, DC 30V/5A |
| Transmission output support 3 analog output: 0/4~20mA or 0~5/10V |
Environment | Working temperature: -10° C ~+55° C |
| Storage temperature: -25° C ~+70° C |
| Relative humidity is less than 93%, no corrosive gas |
| Elevation≤ 2500m |
Safety | Insulation resistance > 100MΩ |
| AC withstand voltage AC 2KV |
Electromagnetic compatibility | ESD level 4 |
| Electrical fast transient burst level 4 |
Selcction of Specification |
Digital Three phase AC Current Meter(9999 display programmable) |
Model NO. | Display | Frame size(mm) | Hole size(mm) | Remark |
LH-3AA1Y | LCD | 160*80 | 152*76 | * |
LH-3AA2Y | LCD | 120*120 | 111*111 | * |
LH-3AA3Y | LCD | 96*96 | 92*92 | * |
LH-3AA4Y | LCD | 120*60 | 114*56 | * |
LH-3AA5Y | LCD | 96*48 | 92*45 | * |
LH-3AA6Y | LCD | 72*72 | 68*68 | * |
LH-3AA7Y | LCD | 80*80 | 76*76 | * |
Extended Modules: |
AC/DC power supply(switching power supply)$4 |
Modbus-RTU RS485 comm: $5 |
AO: $7 more for each stem node |
DI: $4 more for each stem node |
DO: $4 more for each stem node |
" *" means unconventional products of our corporation |
Order notes: Please write clearly the requested types, input signal and the functional modules, etc when purchasing. |
Others: Factory default settings (Use default setting if no instruction). |
Our company supplys different kinds of products. High quality and favaroble price. We're pleased to get your Inquiry and we will come back to as soon as possible. We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective. To perfect our service, we provide the products with good quality at the reasonable price.