LMZ9-7.2G Current Transformer

Product Overview

LMZ9-7.2G Current Transformer 7.2kV Indoor Single-Phase Epoxy Resin Type Epoxy resin casting busbar type current transformer, is widely used for measuring current, electric energy and protective relaying in the electrical system with rated frequency 50Hz or 60Hz and highest voltage for equipment 7.2kV. The product has one secondary windings Rated primary current is 300-1000A and rated secondary current is 5A/1A.

Feature：

• Voltage adaptation: Rated voltage 7.2kV, compatible with AIS (Air Insulated Switchgear) systems, meeting the needs of medium and low voltage power distribution scenarios.
• Environmental resistance: Excellent weather resistance, resistant to ultraviolet rays, salt spray and high and low temperature shocks, suitable for harsh environments such as outdoors or humid conditions.
• Accuracy performance: High-precision metering and protection winding design (e.g., 0.2S/5P20 class), ensuring accurate current measurement and rapid fault response.
• Structural reliability: Adopting processes such as epoxy casting, it has high mechanical strength, with a protection level of IP67 and above, and excellent dustproof and waterproof performance.
• Easy installation: Compatible with standard installation dimensions, no complicated maintenance required, improving the deployment and operation efficiency of power distribution systems.

Technical Data

• Rated insulation level: 7.2/20/60kV
• Rated frequency: 50/60Hz
• Installation site:  Indoor
• Technical standard: IEC 60044-1 IEC 61869-1&2

Specification

Outline