LZZB9-35 High Quality Current Transformer
Product Functions
The LZZB9-35 serves as a critical interface between high-voltage primary circuits and low-voltage secondary equipment. Its core function is precise current transformation and isolation for multiple applications within a single device. It provides highly accurate signals (0.2S class) for revenue metering and energy management systems. It delivers reliable measurement signals (0.5 class) for standard instrumentation and panel meters. Most importantly, it offers dual, independent protection-grade outputs (10P class), enabling redundant or separate protective relay circuits for enhanced system safety and fault response.
Applicable Environment
This current transformer is engineered explicitly for indoor electrical installations. It is ideally suited for integration into 35kV switchgear, cabinet assemblies, and panel boards within controlled environments. Typical applications include medium-voltage substations, industrial plant distribution rooms, data center power infrastructure, and large commercial facility electrical houses. It is the optimal choice for systems requiring reliable indoor current sensing where equipment is protected from direct exposure to weather, moisture, and extreme outdoor temperature fluctuations.
Product Highlights
The LZZB9-35 stands out with its advanced multi-function integration and robust design. A key highlight is its versatile Grade & Capacity Combination, providing four distinct, simultaneous outputs (0.2S/0.5/10P/10P) with corresponding capacities (20/30/30/30VA), effectively replacing multiple single-function transformers and saving significant space. It boasts a High Insulation Level (40.5/95/185kV), ensuring long-term dielectric strength and operational safety under demanding system conditions. Its Wide Current Ratio Range (from 20A up to 1500A) makes it adaptable for diverse load profiles. Manufactured in full compliance with GB/T 20840.2-2014, it guarantees consistent quality and international standard performance.