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LMK Type Low Voltage Current Transformer

  • Frequency:50/60Hz
  • Rated Input:1A-5000A
  • Measuring range:5%In-120%In
  • Rated Output:1A,5A
  • Ratio Voltage:0.72KV (AC)
  • Dielectric strength:3.0KV/1mA/1min
  • Insulation Resistance:DC500V/100MΩ min
  • Case:PC/UL94-V0
  • Bobbin:PBT
  • Core:Silicon steel

Low Voltage Current Transformer of LMK type: Accurate Measurement and Reliable Performance for a Wide Range of Applications.

The LMK low voltage Current Transformer is specifically designed for low voltage applications, offering precise current measurement across a wide range of ratios, from 5A to 4000A. Its exceptional features make it an ideal choice for various applications.

Featuring high accuracy and a compact design, the LMK low voltage current transformer ensures reliable measurements even in demanding environments. Its robust construction and advanced winding technology provide enhanced performance and durability.

The LMK low voltage current transformer is suitable for diverse applications, including energy management systems, electrical distribution networks, power monitoring and control, renewable energy installations, motor control centers, building automation, and industrial process monitoring.

Whether used in commercial buildings, manufacturing facilities, or renewable energy projects, the LMK low voltage current transformer delivers accurate current measurement, enabling precise monitoring, protection, and efficient energy management.

Choose the LMK Low Voltage Current Transformer for its accuracy, reliability, and versatility, and experience optimal performance in a wide range of low voltage applications.

Its accuracy and wide ratio range (5A to 4000A), the LMK Current Transformer offers several notable features. Its compact and lightweight design makes installation and integration into existing systems hassle-free. The LMK Current Transformer is equipped with high-quality insulation materials that ensure excellent electrical insulation and safety.

The LMK Current Transformer’s high linearity and low phase angle ensure minimal distortions and accurate current measurements even under varying load conditions. Its excellent transient response enables reliable detection and monitoring of fast-changing currents.

With its versatile mounting options, such as panel or DIN rail mounting, the LMK low voltage Current Transformer provides flexibility for installation in different setups. Its robust construction ensures long-term durability and reliable performance in demanding environments.

The LMK Current Transformer finds extensive application in energy management systems, load monitoring, power quality analysis, submetering, and various industrial processes requiring precise current measurement. Its compatibility with modern communication protocols allows seamless integration with data acquisition systems for real-time monitoring and analysis.

Experience the reliability, accuracy, and versatility of the LMK Low Voltage Current Transformer, a trusted solution for low voltage current measurement in a wide range of applications, providing precise data and enabling effective energy management and system protection.

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 Parameter Mechanical Parameter
Frequency 50/60Hz Case PC/UL94-V0
Rated Input 1A-5000A Bobbin PBT
Measuring range 5%In-120%In Core Silicon steel
Rated Output 1A,5A Construction Screw
Ratio Voltage 0.72KV (AC) Operating Temp -25℃~+75℃
Dielectric strength 3.0KV/1mA/1min Operating Humidity ≤85%
Insulation Resistance DC500V/100MΩ min Output Connection Terminal
Model Primary / Secondary Busbar Hole Dimensions(mm) Rated Burden (VA) Accuracy Class Rated Voltage
LMK-20 75/5A~200/5A ø=20mm 2.5~5 0.5S / 0.5 0.72KV(AC)
LMK-30 150/5A~500/5A ø=30mm 5~10 0.5S / 0.5 0.72KV(AC)
LMK-40 150/5A~1000/5A ø=40mm 5~10 0.5S / 0.5 0.72KV(AC)
LMK-50 300/5A~1200/5A ø=50mm 10~20 0.5S / 0.5 0.72KV(AC)
LMK-60 500/5A~1500/5A ø=60mm 10~20 0.5S / 0.5 0.72KV(AC)
LMK-80 500/5A~2500/5A ø=80mm 10~40 0.5S/ 0.5 0.72KV(AC)
LMK-100 800/5A~2500/5A ø=100mm 10~40 0.5S / 0.5 0.72KV(AC)
LMK-120 1000/5A~4000/5A ø=120mm 10~40 0.5S / 0.5 0.72KV(AC)
Type Ratio(A) Burden(VA) Frequency(Hz)
class:0.5 class:1.0
LMK-20 75/5A 2.5 50/60
100/5A 5 50/60
150/5A 5 10 50/60
200/5A 5 10 50/60
Type Ratio(A) Burden(VA) Frequency(Hz)
class:0.5 class:1.0
LMK-30 150/5A 5 10 50/60
200/5A 5 10 50/60
250/5A 5 10 50/60
300/5A 10 10 50/60
400/5A 10 10 50/60
500/5A 10 10 50/60
Type Ratio(A) Burden(VA) Frequency(Hz)
class:0.5 class:1.0
LMK-40 150/5A 5 10 50/60
200/5A 5 10 50/60
250/5A 5 10 50/60
300/5A 10 10 50/60
400/5A 10 10 50/60
500/5A 10 10 50/60
600/5A 10 10 50/60
750/5A 10 10 50/60
800/5A 10 10 50/60
1000/5A 10 10 50/60
Type Ratio(A) Burden(VA) Frequency(Hz)
class:0.5 class:1.0
LMK-50 300/5A 10 10 50/60
400/5A 10 10 50/60
500/5A 10 10 50/60
600/5A 10 10 50/60
750/5A 10 10 50/60
800/5A 10 10 50/60
1000/5A 10 10 50/60
1200/5A 20 20 50/60
Type Ratio(A) Burden(VA) Frequency(Hz)
class:0.5 class:1.0
LMK-60 500/5A 10 10 50/60
600/5A 10 10 50/60
750/5A 10 10 50/60
800/5A 10 10 50/60
1000/5A 10 10 50/60
1200/5A 20 20 50/60
1500/5A 20 20 50/60
Type Ratio(A) Burden(VA) Frequency(Hz)
class:0.5 class:1.0
LMK-80 500/5A 10 10 50/60
600/5A 10 10 50/60
750/5A 10 10 50/60
800/5A 10 10 50/60
1000/5A 10 10 50/60
1200/5A 20 20 50/60
1500/5A 20 20 50/60
2000/5A 40 40 50/60
2500/5A 40 40 50/60
Type Ratio(A) Burden(VA) Frequency(Hz)
class:0.5 class:1.0
LMK-100 800/5A 10 10 50/60
1000/5A 10 10 50/60
1200/5A 20 20 50/60
1500/5A 20 20 50/60
2000/5A 40 40 50/60
2500/5A 40 40 50/60
Type Ratio(A) Burden(VA) Frequency(Hz)
class:0.5 class:1.0
LMK-120 1000/5A 10 10 50/60
1200/5A 20 20 50/60
1500/5A 20 20 50/60
2000/5A 40 40 50/60
2500/5A 40 40 50/60
3000/5A 40 40 50/60
4000/5A 40 40 50/60

Diagram

LMK-30

LMK Type Low Voltage Current Transformer-heyi

LMK-40

LMK Type Low Voltage Current Transformer-heyi

LMK-50

LMK Type Low Voltage Current Transformer-heyi

LMK-60

LMK Type Low Voltage Current Transformer-heyi

LMK-80

LMK Type Low Voltage Current Transformer-heyi

LMK-100

LMK Type Low Voltage Current Transformer-heyi

LMK-120

LMK Type Low Voltage Current Transformer-heyi

Accuracy Test

LMK Type Low Voltage Current Transformer-heyi

Install Method

LMK Type Low Voltage Current Transformer-heyi

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