RM AirSeT Gas Insulated Switchgear

Insulation and Disconnection Switching Technology Parallel Vacuum Interruption Technology (SVI) TM or Vacuum Circuit Breaker Operational Principle 3-station Load Switch Disconnect the Medium Vacuum Arc Extinguishing Chamber Insulation Medium Dry Air(1) Relative Inflation Pressure 20℃, 12kV MPa 0.04 Insulation Level – Withstand Voltage Rated Voltage Ur kV 12 Rated Frequency fr Hz 50 Rated Power Frequency Withstand Voltage Ud Alternate Phases & to Earth kV 42 Across the Isolating Distance (1min RMS) 48 Rated Lightning Impulse Withstand Voltage Up Alternate Phases & to Earth kV 75 (1.2μs) Across the Isolating Distance 85 Current Rated Current—Busbar Ir Meet 1.1 Ir 630A Short-time Withstand Current Ik kA 20 Duration tk/tke s 4s/3s Rated Peak Withstand Current Ip kA 50 Protection Degree External Shell in Accordance with GB/T 4208 Standard Air Box IP67 Cable Room IP4X Mechanism Room IP4X Low Voltage Room IP4X Internal Compliance with GB/T 4208 Standard Compartment IP2X Mechanical Impact Protection Level IK Code Meets the GB/T 20138 Rating IK07 Internal Arc Fault Tolerance Basics Not Classified A-level A FL Front and Side kA 20 A FLR Front, Side and Back kA 20 Duration s 1s Recycling Precautions Non-recyclable Parts: Maximum Ratio of Volume/Weight (Solid Insulation, Spray Materials…) ＜1%/＜5% Other Materials (Steel, Stainless Steel, Copper, Aluminum, Recyclable Composite Materials…) 100% Recyclable Specific Processing Procedures for Gas Operation/Recovery No Harmful Gases (air only) No SF6 Technology Gas Insulated Switchgear: Housing Definition Meets GB/T 3906 Standard Yes – Seal Pressure System GIS Service Life Year 40（2） Note: (1) Pure air from the factory (dried, filtered, pressurized) does not require further air replenishment. (2) Under normal usage conditions specified in GB/T11022