Key Features & Benefits

• Ultra-Compact Center-Mounted Structure
  Slim 400mm cabinet width; optimized for space-limited substations and indoor installations.

• Metal-Clad & Compartmentalized
  Functional separation of main circuit, auxiliary circuits, cable chamber, and breaker room.

• Vacuum Circuit Breaker Technology
  Maintenance-free, arc-free breaking capacity up to 31.5kA.

• Air-Insulated System (No SF₆)
  100% SF₆-free insulation structure for environmental sustainability and low maintenance.

• Internal Arc Protection
  Designed to withstand internal arc faults and enhance operator safety (IAC A-FL option).

• Intelligent-Ready
  Optional integration of protection relays, remote monitoring, and IoT interfaces.

• Modular & Extendable Design
  Easy line-up installation, expandable bay-by-bay to meet growing power demands.

Technical Specifications

Item	Parameter
Rated Voltage	12kV / 17.5kV / 24kV
Rated Frequency	50Hz
Main Busbar Rated Current	Up to 4000A
Short-Time Withstand Current	Up to 31.5kA (3s)
Peak Withstand Current	Up to 80kA
Rated Voltage Withstand	42kV (1 min power frequency), 75kV (lightning impulse)
Internal Arc Classification	IAC A-FL 31.5kA/1s (optional)
Ingress Protection	IP4X overall; IP2X inside compartments
Dimensions	W 400–600mm × D 1100–1500mm × H 2200mm

Typical Applications

• Primary Distribution Substations
  For utilities, industrial zones, and commercial buildings requiring compact MV solutions.

• Smart Grid & Smart Campuses
  Compatible with intelligent metering, remote control, and load monitoring systems.

• Rail Transit & Airports
  Ideal for infrastructure with strict space and reliability requirements.

• Oil & Gas / Mining Facilities
  Durable for harsh environmental conditions, designed for safety-critical operations.