High Quality LZW32-10 Current Transformer from China Suppliers - Ideal for ZW32-10 Vacuum Circuit Breakers
High Quality LZW32-10 Current Transformer from China Suppliers - Ideal for ZW32-10 Vacuum Circuit Breakers
Product Functions
- Protection-Grade Current Measurement: Accurately converts primary system current to a standardized 5A secondary signal for protective relaying and fault detection.
- Circuit Breaker Integration: Provides essential current sensing for the operation and protection functions of ZW32-10 series vacuum circuit breakers.
- System Monitoring: Supplies reliable current data for basic load monitoring and control systems within the switchgear.
- Electrical Isolation: Ensures safe separation between the high-voltage primary circuit and the low-voltage secondary control circuits.
Applicable Environment
- Primary Application: Dedicated for installation within ZW32-10 type outdoor vacuum circuit breaker cabinets.
- System Voltage: Rated for 10kV distribution networks.
- Installation Setting: Designed for outdoor use, with a sealed silicone rubber housing providing excellent resistance to moisture, pollution, and wide temperature fluctuations.
- Climatic Conditions: Built to perform in an extended operational temperature range of -40℃ to +50℃, suitable for harsh environments. Altitude specifications can be customized per user requirements.
Product Highlights
Optimized for ZW32 Breakers
Engineered for seamless mechanical and electrical integration with ZW32-10 circuit breakers, ensuring reliable performance and easy installation.
Robust Outdoor Design
The silicone rubber shell provides superior environmental sealing, UV resistance, and long-term insulation stability in demanding outdoor conditions.
Configuration Flexibility
Offers a broad current ratio range (50–600/5A) and supports multi-ratio or dual-winding designs per user request (note: only one ratio is active at a time in multi-ratio versions).
Wide Operational Range
Certified for reliable operation across a -40℃ to +50℃ temperature range, making it suitable for extreme climates.
Standard Compliance
Manufactured in accordance with GB/T 20840.2-2014, ensuring consistent quality and safety.
Customization Available
Can be produced to meet special specifications, high-altitude requirements, or higher precision needs based on project demands.
Frequently Asked Questions
Q
What is the primary purpose of this current transformer?
This current transformer is specifically designed for use within ZW32-10 type outdoor vacuum circuit breaker cabinets. It accurately converts high-voltage primary current into a standardized 5A secondary signal, supporting protective relaying, fault detection, and system monitoring functions in 10kV distribution networks.
Q
What current ratio options are available?
The current transformer supports a broad ratio range from 50/5A to 600/5A. Multi-ratio and dual-winding configurations are also available upon request. Please note that in multi-ratio versions, only one ratio can be active at a time.
Q
Is this current transformer suitable for outdoor installation in extreme weather?
Yes. The unit features a sealed silicone rubber housing that provides excellent resistance to moisture, UV radiation, pollution, and wide temperature fluctuations. It is rated for operation across a temperature range of -40℃ to +50℃, making it well-suited for harsh outdoor environments.
Q
Which industry standards does this product comply with?
This current transformer is manufactured in full compliance with GB/T 20840.2-2014, the Chinese national standard for instrument transformers. This ensures consistent product quality, safety, and performance reliability across all units.
Q
Can this product be customized for high-altitude or special project requirements?
Yes. Customization is available for high-altitude installations, special voltage or current specifications, and higher accuracy class requirements. Altitude derating and other environmental parameters can be adjusted based on specific project demands. Please contact us with your technical requirements for a tailored solution.
Q
How does the current transformer ensure safety between high-voltage and low-voltage circuits?
The current transformer provides full electrical isolation between the high-voltage primary circuit and the low-voltage secondary control circuits. This galvanic separation protects instrumentation, relay panels, and operators from dangerous primary voltages while allowing accurate signal transmission for monitoring and protection functions.