LZW32-24(3Current Transformer - High-Performance, Silicone Encapsulated, China Suppliers & Factory
Product Functions
Accurate Current Sensing & Protection
Primarily functions to accurately measure and convert primary system currents for relay protection purposes, featuring a 10P10 accuracy class to ensure reliable circuit breaker tripping under fault conditions.
Versatile Configuration
Designed to meet specific user requirements, offering flexible configurations including dual-winding setups and selectable multi-ratio options from a single unit, enhancing application adaptability.
Signal Isolation & Conditioning
Provides safe, reliable electrical isolation between high-voltage primary circuits and low-voltage secondary control/protection equipment, delivering a standardized current signal.
Applicable Environment
Primary Application
Dedicated for use in medium-voltage outdoor switchgear, specifically with ZW32(43)-24kV and 40.5kV vacuum circuit breakers in distribution networks.
Industrial & Utility Settings
Ideal for substations, renewable energy plants, industrial power feeders, and other distribution systems requiring dependable current measurement at 24kV or 35kV levels.
Harsh Operating Conditions
Built for demanding environments with an extended operational temperature range of -40°C to +50°C. It can be specifically manufactured to perform reliably at high altitudes per customer specifications.
Product Highlights
Robust Silicone Rubber Encapsulation
Features a sealed silicone rubber shell that provides superior insulation, excellent weather resistance, UV protection, and durability against moisture and pollution for long service life outdoors.
Flexible and Customizable Design
Supports multiple winding specifications, offering extremely high flexibility. High-precision products can be customized according to specific parameters to meet specific project needs.
High Performance & Compact Efficiency
Delivers high protection accuracy (10P10) with a very low rated burden (2.5~10VA), reducing energy loss and allowing for the use of smaller, more economical secondary cables and devices.
Dedicated Compatibility & Compliance
Engineered for seamless integration with specified vacuum circuit breaker models, ensuring optimal fit and performance. Manufactured in full compliance with the international benchmark GB/T 20840.2-2014.
Frequently Asked Questions
Q What is the primary function and accuracy class of this current transformer?
The product is designed to accurately measure and convert primary system currents for relay protection, featuring a 10P10 accuracy class to guarantee dependable breaker tripping during fault events.
Q Which equipment and voltage levels is this unit compatible with?
It is specifically engineered for medium-voltage outdoor switchgear, seamlessly integrating with ZW32(43)-24kV and 40.5kV vacuum circuit breakers in distribution networks, substations, and industrial feeders at 24kV and 35kV levels.
Q What operating temperatures and ambient conditions can it handle?
It operates effectively within an extended temperature range of -40°C to +50°C. Additionally, specialized configurations are available to support high-altitude environments according to project requirements.
Q What encapsulation material is used for environmental protection?
It features a fully sealed silicone rubber shell that delivers outstanding insulation, UV protection, weather resistance, and moisture/pollution defense for outdoor longevity.
Q Can this product be customized with multi-ratio or dual-winding options?
Yes, it offers versatile configurations including dual-winding setups, selectable multi-ratios, and parameter-specific custom designs tailored to exact project specifications.
Q What standard does this current transformer comply with, and what is its rated burden?
The product is manufactured in full compliance with GB/T 20840.2-2014 standards and operates with a low rated burden of 2.5~10VA for superior energy efficiency and cable cost reduction.













