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0102030405

High-Quality LA-10 Type Current Transformer from China Suppliers | Reliable Factory for 10kV AC Power Systems

The LA-10 type current transformer is designed for AC power systems featuring a rated frequency of 50Hz or 60Hz and a rated voltage of 10kV. This essential device is ideal for electric energy metering, voltage measurement, and relay protection. Adhering to high-quality standards, it complies with GB20840.1-2010 and GB20840.2-201As a leading supplier and manufacturer in China, our factory ensures the production of reliable and efficient current transformers to meet the needs of power systems globally

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Outline and Installation Dimension Drawing

Model and its meaning

Summarize

🔧 Designed with user convenience in mind, requiring virtually no maintenance, significantly reducing ongoing costs and maintenance workload.
🛡️ Safety fully guaranteed — equipped with a grounding bolt for convenient and safe grounding operation.
🔩 Four mounting holes allow for flexible installation based on actual needs, enhancing ease of installation and adaptability.
⚡ A high-quality product combining safety, reliability, and durability, suitable for a wide range of power systems.

Normal Service Condition

🏢 Installation Location: This series of current transformers is designed for indoor use and is suitable for use in various power facilities and industrial locations. Its structure and material selection ensure stable operation in indoor environments, preventing external factors from affecting device performance.

🌡️ Ambient Temperature: Maximum 40℃ | Minimum -25℃ | Daily average should not exceed 30℃.

🌤️ Atmospheric Conditions: There is no severe pollution in the atmosphere.

Technical Parameters

Product Model	Rated Primary Current (A)	Accuracy Level Combination	Rated Output (VA)	Rated Short-term Thermal Current (kA)	Rated Dynamic Stability Current (kA)
LA-10	10	0.2/0.5 0.5/10P10 0.2/10P10	15/15 15/15 15/15	0.9	2
	15			1.35	3
	20			1.8	4
	30			2.7	6
	40			3.6	8
	50			4.5	10
	75			6.75	15
	100			9	20
	150			13.5	30
	200			18	40
	300			24.5	45
	400			24.5	45
	500			32	59
	600			32	59

⚡ Secondary Current: 5A / 1A 🔌 Rated Insulation Level: 12 / 42 / 75 kV

Structure and Characteristics

🏗️ Features a pillar-type structural design, offering excellent mechanical strength and stability.
🧱 The housing is fully enclosed in epoxy resin, ensuring reliability across a wide range of environmental conditions.
💧 Excellent resistance to pollution and moisture, effectively withstanding high temperatures and humidity in tropical regions.
🌍 Ensures normal operation in harsh environments, making it a versatile solution for demanding power applications.

Frequently Asked Questions (FAQ)

Q What is the rated insulation level of the LA-10 current transformer?

The LA-10 current transformer has a rated insulation level of 12/42/75 kV, making it suitable for medium-voltage indoor power applications with reliable dielectric performance.

Q What accuracy level combinations are available for the LA-10 series?

The LA-10 series offers three accuracy level combinations: 0.2/0.5, 0.5/10P10, and 0.2/10P10, catering to both metering and protection requirements in power systems.

Q What is the operating temperature range for the LA-10 current transformer?

The LA-10 is designed to operate in ambient temperatures ranging from -25℃ to +40℃. The daily average temperature should not exceed 30℃ to ensure optimal performance.

Q Is the LA-10 current transformer suitable for outdoor installation?

No, the LA-10 series is specifically designed for indoor use. It is suitable for various indoor power facilities and industrial locations where the environment can be controlled and external weather factors are not a concern.

Q What are the structural features that make the LA-10 reliable in harsh environments?

The LA-10 adopts a pillar-type structure fully encapsulated in epoxy resin, which provides excellent resistance to pollution, moisture, high temperatures, and humidity — including tropical climate conditions — ensuring long-term stable operation.

Q How is the LA-10 current transformer installed and grounded?

The LA-10 is equipped with four mounting holes for flexible installation to suit various site requirements, and includes a dedicated grounding bolt to ensure safe and convenient grounding during operation.