The HSIS-12 Intelligent Solid Insulated Ring Main Unit is suitable for three-phase AC 50 Hz systems with a rated voltage of 12kV. This series features modular cabinet design, high electrical performance, strong environmental friendliness, and easy installation. By equipping it with various intelligent controllers such as DTU and other related devices, different levels of control, measurement, and protection functions can be realized.

Key Features

Insulation medium: epoxy resin, safe and environmentally friendly

Fully insulated and fully sealed; expandable and modular design

No risk of gas leakage or explosion

Multiple operating mechanism options: permanent magnet or spring mechanism

Multiple configurations available: top or side cable outlet, emergency high-voltage power interface, secondary module, and aviation plug interface

Custom solutions available based on customer requirements

Applicable Environment

Maximum temperature: +60 °C

Minimum temperature: –40°C

Relative humidity: daily average ≤95%, monthly average ≤90%

Earthquake resistance: Intensity 8

Altitude: ≤4000m