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Current Transformer LMK
    Publish time 2020-04-21 16:20    

In order to protect equipment from damage, LMK3 series current transformers are used in AC circuits with a rated voltage below 720V and a frequency of 50-60Hz.
This product can also be used in matching mine transformers.

Current Transformer LMK


Current Transformer LMK


Introduce:

In order to protect equipment from damage, LMK3 series current transformers are used in AC circuits with a rated voltage below 720V and a frequency of 50-60Hz.
This product can also be used in matching mine transformers.

 

Features:

  • Safe, easy to install, portable.

  • Wide inner window, allowing clamping of big cables or bus-bars.

  • Wide range of sizes to accommodate all the existing installations.

Applications:

  • Current measurement, monitoring and piotection for electrical wiring and equipment.

  • Current and power measurement for electric motors,lighting,air compressor,heating and ventilation system,air-condition equipment and automation-control system.

  • Current,power and energy monitoring device.

  • Relay protection device.


Electrical ParameterMechanical Parameter
Frequency50/60HzCasePC/UL94-V0
Rated Input1A-5000ABobbinPBT
Measuring range5%In-120%InCoreSilicon steel
Rated Output1A,5AConstructionScrew
Ratio Voltage0.72KV (AC)Operating Temp－25℃～＋75℃
Dielectric strength3.0KV/1mA/1minOperating Humidity≤85%
Insulation ResistanceDC500V/100MΩ minOutput ConnectionTerminal
TypeRatio(A)Burden(VA)Frequency(Hz)
class:0.5class:1.0
LMK-2075/5A–2.550/60
100/5A–550/60
150/5A51050/60
200/5A51050/60
TypeRatio(A)Burden(VA)Frequency(Hz)
class:0.5class:1.0
LMK-30150/5A51050/60
200/5A51050/60
250/5A51050/60
300/5A101050/60
400/5A101050/60
500/5A101050/60
TypeRatio(A)Burden(VA)Frequency(Hz)
class:0.5class:1.0
LMK-40150/5A51050/60
200/5A51050/60
250/5A51050/60
300/5A101050/60
400/5A101050/60
500/5A101050/60
600/5A101050/60
750/5A101050/60
800/5A101050/60
1000/5A101050/60
TypeRatio(A)Burden(VA)Frequency(Hz)
class:0.5class:1.0
LMK-50300/5A101050/60
400/5A101050/60
500/5A101050/60
600/5A101050/60
750/5A101050/60
800/5A101050/60
1000/5A101050/60
1200/5A202050/60
TypeRatio(A)Burden(VA)Frequency(Hz)
class:0.5class:1.0
LMK-60500/5A101050/60
600/5A101050/60
750/5A101050/60
800/5A101050/60
1000/5A101050/60
1200/5A202050/60
1500/5A202050/60
TypeRatio(A)Burden(VA)Frequency(Hz)
class:0.5class:1.0
LMK-80500/5A101050/60
600/5A101050/60
750/5A101050/60
800/5A101050/60
1000/5A101050/60
1200/5A202050/60
1500/5A202050/60
2000/5A404050/60
2500/5A404050/60
TypeRatio(A)Burden(VA)Frequency(Hz)
class:0.5class:1.0
LMK-100800/5A101050/60
1000/5A101050/60
1200/5A202050/60
1500/5A202050/60
2000/5A404050/60
2500/5A404050/60
TypeRatio(A)Burden(VA)Frequency(Hz)
class:0.5class:1.0
LMK-1201000/5A101050/60
1200/5A202050/60
1500/5A202050/60
2000/5A404050/60
2500/5A404050/60
3000/5A404050/60
4000/5A404050/60