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Home > SMD Type Zero Phase Current Transformer > Ring Type Zero Phase Transformer Lzck2500-10 Split Core Current Transformer
Ring Type Zero Phase Transformer Lzck2500-10 Split Core Current Transformer
Ring Type Zero Phase Transformer Lzck2500-10 Split Core Current Transformer
Ring Type Zero Phase Transformer Lzck2500-10 Split Core Current Transformer
Ring Type Zero Phase Transformer Lzck2500-10 Split Core Current Transformer
Ring Type Zero Phase Transformer Lzck2500-10 Split Core Current Transformer
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Ring Type Zero Phase Transformer Lzck2500-10 Split Core Current Transformer
Ring Type Zero Phase Transformer Lzck2500-10 Split Core Current Transformer
Ring Type Zero Phase Transformer Lzck2500-10 Split Core Current Transformer
Ring Type Zero Phase Transformer Lzck2500-10 Split Core Current Transformer
Ring Type Zero Phase Transformer Lzck2500-10 Split Core Current Transformer

Ring Type Zero Phase Transformer Lzck2500-10 Split Core Current Transformer

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Product Description

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Basic Specifications

Model NO.
LZCK2500-10
Installation
Hanging
Housing
UPR
Rated Primary Current
50-2000A
Rated Load
≤25va
Rated Frequency
50Hz or 60Hz
Transport Package
Wooden Box
HS Code
9107000000
Capacity
1000 Units
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Product Description

LZCK2500-10 | 50/5A Clamp Split Core Zero Phase CT

The Model LZCK2500-10 zero phase CT is a ring type resin casting split core current transformer, often referred to as TTCC. This model is engineered for both measurement and microcomputer protection of electrical equipment in 11KV and 35KV AC power systems, particularly for ring network switchgears and cable distribution boxes.

Constructed with imported silicon materials and advanced production technology, this transformer ensures excellent linearity and a service life exceeding 20 years. The semicircular ring core and secondary windings are vacuum poured with insulated resin, strictly complying with international standards including IEC60044-1, IEC 61869-2, ANSI/IEEE C57.13, and NTC 2205.

LZCK2500-10 Split Core CT 1 LZCK2500-10 Split Core CT 2 LZCK2500-10 Split Core CT 3 LZCK2500-10 Split Core CT 4 LZCK2500-10 Split Core CT 5
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Features & Applications

✔ Application: Power Meters, MV switchgears, Air switch cabinets, and Distribution boxes.
✔ High Precision: Accuracy class 0.5S or 0.5 with long-term stability.
✔ Design: Split core design for easy installation with mounting brackets.
✔ Durability: Vacuum poured resin insulation with over 20 years of service life.
✔ Versatility: Supports dual ratio and holds wire diameters of φ120mm, 140mm, or 160mm.
✔ Monitoring: Ideal for current load monitoring and distribution transformer systems.
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Technical Parameters

Mechanical & Working Conditions
StandardsIEC60044-1; IEC 61869-2; ANSI/IEEE C57.13
Rated Primary Current50-2000A
Rated Secondary Current5A or 1A
Rated Load≤25VA
Short-time Thermal Current40kA, 1S
Insulation ClassE
Dimensions (mm)φ120 x φ185 x 100
Jaw Cable Diameter (mm)120, 140, 160
Operating Temperature-40°C to +70°C
Altitude<3500 meters
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Selection Guide

Model Primary Current Rated Load Aperture (mm) Description (mm) Weight (kg)
LZCK310-10300-1000A≤10VAφ50φ50 x φ110 x 321
LZCK322-1030-1000A≤10VAφ50φ50 x φ110 x 521.6
LZCK350-1030-1000A≤25VAφ50φ50 x φ110 x 1053.1
LZCK720-1030-1000A≤25VAφ80φ80 x φ110 x 502.1
LZCK2500-1030-3000A≤30VAφ120,140,160φ120 x φ185 x 1007
LZCG930-1030-1500A≤25VAφ60φ60 x φ155 x 603.6
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Frequently Asked Questions

What is the main application of the LZCK2500-10 CT?
It is primarily used for zero-phase current measurement and microcomputer protection in 11KV and 35KV AC power systems, suitable for ring network switchgears and cable distribution boxes.
Is this current transformer easy to install?
Yes, the LZCK2500-10 features a split core design and comes with a mounting bracket, allowing for easy installation without the need to disconnect primary cables.
What accuracy classes are available?
This model supports high-precision measurement with accuracy classes of 0.5S or 0.5, ensuring reliable data for power monitoring.
What is the expected service life of this CT?
Thanks to the high-quality silicon steel materials and vacuum-poured resin insulation, it has a service life of more than 20 years.
Does it comply with international standards?
Absolutely. All units are strictly compliant with IEC60044-1, IEC 61869-2, ANSI/IEEE C57.13, and other relevant global standards.
What are the supported cable diameters?
The LZCK2500-10 model can accommodate cable diameters of 120mm, 140mm, and 160mm depending on the specific selection.

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