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Current Transformer (For Ring Network Cabinet).jpg

High-Precision Current Transformer for Ring Network Cabinet - China Suppliers & Factory for 35kV and 10kV Systems

The LMZC(1,2,3)-10 is a top-tier current transformer designed specifically for Ring Main Units (RMUs) operating in AC systems up to 35kV and 10kV. This high-precision device ensures reliable current measurement and protection, all within a compact, toroidal framework. Manufactured in China, our current transformer utilizes advanced composite alloy and silicon steel cores, encapsulated in vacuum-cast epoxy for exceptional accuracy and stability. Installation is straightforward: simply pass the primary cable through the central hole. As a leading supplier and factory of electrical components, we pride ourselves on delivering high-quality solutions for modern power systems

Product Details

Product Model

Current Transformer For Ring Network Cabinet

Technical Parameters

The double winding parameters and capacity can be confirmed with the merchant, and the product shape can be heightened according to demand.

Model	LMZC1、2、3-10
	Measuring Current Transformer			Protection Current Transformer
	Accuracy Class & Rated Load			Accuracy Class & Rated Load
	0.2S	0.2	0.5	10P15	10P10	10P5
40/1(5)						1
50/1(5)		1	1		1	1
75/1(5)		1	1	1	1	2.5
100/1(5)		2.5	2.5	1	1	3.75
150/1(5)	2.5	3.75	3.75	1	2.5	5
200/1(5)	3.75	5	5	2.5	3.75	7.5
300/1(5)	5	7.5	7.5	3.75	5	12.5
400/1(5)	7.5	10	10	5	7.5	15
500/1(5)	10	12.5	12.5	5	10	20
600/1(5)	12.5	15	15	7.5	12.5	25

Outline Dimension

Frequently Asked Questions

Q What is the LMZC1/2/3-10 current transformer used for?

The LMZC1/2/3-10 series current transformer is designed for use in ring network cabinets and supports both measuring and protection functions. It is suitable for medium-voltage power distribution systems operating at up to 10kV.
Q What accuracy classes are available for the measuring current transformer?

The measuring current transformer is available in accuracy classes 0.2S, 0.2, and 0.5, each with varying rated loads depending on the current ratio selected.
Q What accuracy classes are available for the protection current transformer?

The protection current transformer is available in accuracy classes 10P15, 10P10, and 10P5. These classes ensure reliable performance under fault conditions in the ring network cabinet.
Q Can the double winding parameters and capacity be customized?

Yes. The double winding parameters and capacity can be confirmed and customized in consultation with the merchant. The product shape can also be heightened according to specific project requirements.
Q What current ratio options are available for this transformer?

The available current ratios include 40/1(5), 50/1(5), 75/1(5), 100/1(5), 150/1(5), 200/1(5), 300/1(5), 400/1(5), 500/1(5), and 600/1(5), covering a wide range of application scenarios.
Q How do I select the right current transformer model for my ring network cabinet?

Selection depends on your system's rated current, the required accuracy class (measuring or protection), and the rated load (VA). Refer to the technical parameter table above to match the appropriate model, or contact the merchant for professional guidance on double winding configurations.