The LZW32(43)-10 series is a silicone rubber insulated outdoor current transformer specially designed for ZW32 and ZW43 series vacuum circuit breakers. Used in 50/60Hz, rated voltage up to 10kV AC power systems, it provides accurate current measurement and reliable protection for pole-mounted switchgear applications.
Breaker-Dedicated Design
Specially engineered for ZW32 and ZW43 series vacuum circuit breakers
Superior Outdoor Insulation
Silicone rubber housing provides excellent resistance to UV, moisture, and pollution
Dual Function
Available in single or combined metering and protection winding configurations
Standards Compliance
Manufactured in accordance with GB and IEC standards
| Model | LZW32(43)-10A/B/C | |
|---|---|---|
| Rated voltage | 10 kV |  |
| Maximum voltage | 12 kV | |
| Rated frequency | 50/60 Hz | |
| Rated insulation level | 12/42/75 kV | |
| Rated primary current | 5～1200A | |
| Rated secondary current | 5A or 1A | |
| Accuracy classes | 0.2S, 0.5, 10P10, 10P20, and combinations | |
| Power-frequency withstand voltage | 42 kV/1 min | |
| Lightning impulse withstand voltage | 75 kV | |
Service Conditions
Installation: Outdoor use only, pole-mounted
Ambient temperature: -25°C to +40°C
Altitude: ≤ 2000m
Humidity: Average relative humidity ≤ 95%
Environment: Resistant to wind, rain, and outdoor temperature cycling
Structural Overview
Fully enclosed silicone rubber insulated structure with excellent anti-aging properties
Primary terminals marked as P1 and P2; secondary terminals labeled sequentially (e.g., 1S1, 1S2, 2S1, 2S2)
Maintenance-free design for reliable long-term outdoor operation
