LZW32-10 High Quality Current Transformer
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.













