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0102030405

10kV Indoor Cast Resin Current Transformer LZZ-10 from China Suppliers and Factory for Energy Measurement and Protection

The LZZ-10 type current transformer is designed for use in AC power systems operating at a rated frequency of 50Hz or 60Hz and a rated voltage of 10kV. This high-quality transformer is essential for electric energy metering, voltage measurement, and relay protection, making it a vital component for efficient energy management. Manufactured in China, this product adheres to stringent execution standards, specifically GB20840.1-2010 and GB20840.2-201As a leading supplier in the industry, our factory ensures that each LZZ-10 current transformer meets the highest quality and reliability standards, serving the needs of power distribution systems globally

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Outline and Installation Dimension Drawing

Model and its meaning

LZZ-10 Current Transformer Model Diagram

Summarize

The LZZ-10 current transformer features a column-type construction, enhancing mechanical stability and overall efficiency. Its fully enclosed design, cast in epoxy resin, ensures the transformer's resistance to environmental factors such as pollution and moisture. This feature is particularly beneficial for installations in tropical regions, where humidity and pollutants can severely impact the performance and lifespan of electrical equipment. Designed to withstand harsh conditions, the LZZ-10 current transformer ensures long-term reliable operation.

Among the many products on the market, the LZZ-10 current transformer stands out for its robust design and superior performance. Designed for AC power systems with a rated frequency of 50Hz or 60Hz and a rated voltage of 10kV, it is ideal for energy metering, voltage measurement, and relay protection.

Normal service condition

Installation Site

Indoor installation

Ambient Temperature

Max: +40℃ | Min: -25℃ (Daily average ≤ +30℃)

Atmospheric Conditions

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)
LZZ-10	10	0.2, 0.5	10, 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

This series of current transformers adopt a pillar structure and are fully enclosed with epoxy resin by epoxy casting. They are resistant to pollution and moisture and are also suitable for use in tropical regions. The transformers do not require special maintenance and are safe and reliable. The product body is equipped with grounding bolts and four installation holes for installation.

Frequently Asked Questions

What are the primary applications of the LZZ-10 current transformer?

The LZZ-10 current transformer is designed for AC power systems with a rated frequency of 50Hz or 60Hz and a rated voltage of 10kV. It is primarily used for energy metering, voltage measurement, and relay protection.

Is the LZZ-10 transformer suitable for humid or tropical climates?

Yes, its fully enclosed epoxy resin cast design provides excellent resistance to pollution and moisture, making it highly suitable for operation in tropical and humid environments.

What are the allowable ambient temperature conditions?

The normal service condition permits a maximum ambient temperature of +40℃, a minimum temperature of -25℃, and a daily average temperature not exceeding +30℃.

What rated secondary current options are available?

The secondary current options available for the LZZ-10 current transformer are 5A and 1A, with a rated insulation level of 12/42/75 kV.

Does the LZZ-10 current transformer require regular maintenance?

No, thanks to its robust column-type construction and fully enclosed epoxy casting, the transformer does not require special maintenance and offers safe, reliable long-term service.

How is the LZZ-10 transformer mounted and grounded?

The product body is designed for indoor installation and is equipped with four installation mounting holes and dedicated grounding bolts for secure grounding.