JLS-10KV Outdoor High-voltage Metering Box | Oil-immersed Combined Instrument Transformer Electric Energy Metering Equipment

The JLS-10KV outdoor high-voltage metering box is a representative product of the JLS series oil-immersed high-voltage metering boxes. It is suitable for three-phase AC power systems with a rated frequency of 50Hz or 60Hz and rated voltages of 35KV, 10KV, 6KV, and 3KV, as a metering device for directly measuring active and reactive energy in high-voltage lines.

Model Meaning

Overview

• The high-voltage electric energy metering box, without a meter called a combined instrument transformer, is AC oil-immersed outdoor type (also suitable for indoor use). It is a metering device that directly measures active and reactive energy in high-voltage lines. Suitable for three-phase AC 35KV, 10KV, 6KV, 3KV system networks with a rated frequency of 50, 60Hz. This metering box is well-received by power supply departments for its high accuracy, light weight, convenient installation, and anti-tampering advantages.
• The three-phase three-wire metering box consists of two single-phase voltage and current transformers, while the three-phase four-wire metering box consists of three single-phase voltage and current transformers, all housed in a box. Primary and secondary terminals are mounted on the panel with porcelain bushings, and meters are mounted on the outer surface for metering use.

Main Technical Parameters

· JLS-35, 10, 6, 3 Voltage Part Technical Parameters

· JLS-35, 10, 6, 3 Current Part Technical Parameters

Outline and Installation Dimensions

Ensure that the JLS-10KV outdoor high-voltage metering box is installed with the enclosure reliably grounded. Verify the primary wiring polarity according to the drawings and ensure the secondary circuit connections are firm and not loose. Verify the 0.2S class metering error annually. If the oil level drops below the mark, replenish with No. 25 transformer oil.