High precision measurement of single phase AC/DC current
Provide the digital tube display, local data query
Programmable CT ratio
Support for RS-485 communication, modbus-RTU protocol
Auxiliary power supply: AC/DC 80-270V,AC 220V,AC 380V,AC 100V
A variety of dimensions to meet the different requirements of the electric distribution box.
Current: level 0.5
High precision measurement of single phase AC/DC current
Provide the digital tube display, local data query
Programmable CT ratio
Support for RS-485 communication, modbus-RTU protocol
Support for switch input, output, analog transmitting output
Auxiliary power supply: AC/DC 80-270V,AC 220V,AC 380V, AC 100V
Connection Mode: signal phase two wires
Rated Current: AC 1A, AC 5A, DC 20mA, DC 1A, DC 5A, DC 75mV
Overload:1.2 times(continued),10 times/5second(instantaneous)
Power Consumption:<0.4VA per phase
Impedance:<20mΩ
Frequency:45~60Hz
Working Range: AC/DC 80-270V,AC 220V,AC 380V, AC 100V
Power Consumption:<4VA
Communication Interface:1 way RS-485 communication,
modbus-RTU protocol
Baud Rate:2400~9600bps,the default is 9600bps
Switch Input:4 ways
Switch Onput:3 ways(capacity:AC 250V/1A,DC 30V/5A)
Transmission Onput:3 ways(analog Onput:0/4~20mA or 0~5/10V)
Insulation Resistance:>100MΩ
Ac Electric:AC 2KV
ESD Electrostatic Discharge: class 4
Electrical Fast Transient Burst: class 4
Surge(impact):class 4
Frame Size(mm):120120,9696,8080,7272
Hole Size(mm):111111,9292,7676,6868
Function | Measurement | Extended Function | Display | Hole Size(mm) | |||||
Molel NO. | AC Current | DC Current | Switching Input | Switching Output | Analog Output | Communi cation interface | LED | LCD | |
LST12-A | √ | ─ | 2 | 2 | 1 | 1 | √ | ─ | 111*111 |
LST12-DA | ─ | √ | 2 | 2 | 1 | 1 | √ | ─ | |
LST96-A | √ | ─ | 2 | 2 | 1 | 1 | √ | ─ | 92*92 |
LST96-DA | ─ | √ | 2 | 2 | 1 | 1 | √ | ─ | |
LST96H-A | √ | ─ | 2 | 2 | 1 | 1 | √ | ─ | 92*45 |
LST96H-DA | ─ | √ | 2 | 2 | 1 | 1 | √ | ─ | |
LST80-A | √ | ─ | 2 | 2 | 1 | 1 | √ | ─ | 76*76 |
LST80-DA | ─ | √ | 2 | 2 | 1 | 1 | √ | ─ | |
LST72-A | √ | ─ | 2 | 2 | 1 | 1 | √ | ─ | 68*68 |
LST72-DA | ─ | √ | 2 | 2 | 1 | 1 | √ | ─ | |
LST48-A | √ | ─ | 2 | 2 | 1 | 1 | √ | ─ | |
LST48-DA | ─ | √ | 2 | 2 | 1 | 1 | √ | ─ | 45*45 |