Type designationService conditon
- Altitude: ≤ 2500m
- Installation: Outdoor
- Rated Frequency: 50Hz or 60Hz
- Ambient Temperature: -25°C ~ +40°C
- Altitude: ≤1000m
- Pollution Level: Class II or Class III (customizable)
- Secondary Current: 5A or 1A
Construction & Features
- Epoxy Resin Casting – excellent insulation, UV resistance, and aging resistance.
- Fully Enclosed Outdoor Design – moisture-proof, pollution-resistant, safe for harsh climates.
- Compact & Pillar-Type Structure – reduced footprint, easy installation with base mounting holes.
- High Mechanical Strength – withstands short-circuit thermal and dynamic currents.
- Low Maintenance – long service life without frequent inspections.
Technical Parameters
- Rated Voltage: 35kV
- Rated Insulation Level: 40.5/95/185kV
- Standards: IEC60044-1, GB1208
- Accuracy Classes: 0.2(S), 0.5, 10P
- Rated Secondary Output: 10 – 20 VA
- Short-Time Thermal Current (Ith): up to 80kA / 1s
- Rated Dynamic Current (Idyn): up to 160kA
Key Features
- Cast-resin insulation for high reliability
- Fully enclosed design, suitable for harsh environments
- Wide range of accuracy classes to meet metering & protection needs
- Strong short-time thermal & dynamic current capacity
- OEM & customization support for specific project requirements
Product features
- Fully enclosed epoxy resin casting type, pillar-type structure for outdoors.
- Suitable for 35 kV and below AC power systems (50 Hz / 60 Hz).
- Widely used for energy metering, current measurement, and relay protection.
- Compact, lightweight, weather-resistant, and maintenance-free.
- Safe and stable performance in outdoor environments
Outline & Mounting Dimensions
TheLZZBW-35 Series Outdoor Current Transformers (LZZBW-35A and LZZBW-35B)are compact, high‑voltage current transformers designed for accurate current measurement in outdoor medium‑voltage power systems. These devices convert high primary currents into standardized low‑level secondary signals for protection relays, meters, and monitoring equipment, enabling safe and reliable operation of electrical networks.
These small high voltage transformers are widely used inindustrial and commercial power distribution,switchgear panels, andoutdoor substations, where they support overcurrent protection, metering, and energy management. The LZZBW‑35 series is engineered for outdoor installation, with weather‑resistant insulation and mechanical design suitable for harsh environments, making it ideal for use byelectrical contractors,system integrators, andutility operators.
Key product features:
-
Compact small high voltage transformer design
Space‑saving construction for integration into switchgear and outdoor enclosures without sacrificing measurement accuracy. -
High insulation level and outdoor rating
Engineered for outdoor use in 35 kV class systems, with robust dielectric insulation and pollution resistance. -
Precision current measurement
Accurate ratio and low phase error for reliable protection and metering in industrial and commercial applications. -
Multiple accuracy classes and ratings
Available in different accuracy classes and primary/secondary current ratings to suit various protection and metering needs. -
Durable and maintenance‑friendly
Sealed housing and corrosion‑resistant materials reduce maintenance and extend service life in outdoor environments. -
OEM/ODM and low MOQ support
Custom winding ratios, mounting options, and labeling are available from the original manufacturer, with low minimum order quantities. -
Wholesale‑oriented business model
Competitive wholesale pricing forwholesalers,distributors, andelectrical contractorssourcing in bulk. -
Suitable for B2B supply chains
Ready to be supplied through globalsuppliers,distributors, andelectrical wholesalers, with technical documentation and compliance support.
This combination of performance, compact size, and B2B flexibility makes theLZZBW‑35 Series Outdoor Current Transformersa strong choice for industrial users, commercial projects, and electrical distribution networks looking tobuy small high voltage transformerunits with reliable quality and scalable procurement options.