Mains & Distribution Switchgear up to 40.5 kV

General features

  • Metal-enclosed
  • Withdrawable switching devices
  • Compartmentalisation:
    • Busbar compartment
    • Circuit breaker compartment
    • Cable compartment
    • Low voltage compartment
  • Loss of service continuity category: LSC 2B
  • Internal arc classification: IAC AFLR up to 31.5 kA/1s
  • Degree of protection:
    • Enclosure and LV compartment IP 4x
    • Partitioning IP 2x
  • Cable floor/double floor area metal-clad
  • Bulkheading between circuit breaker compartment and cable connection compartment easy to dismantle for better cable installation
  • Circuit-breaker and earthing switch optionally with electromotive travel


Air-insulated, single busbar or duplex:

  • Partition class: PM

 

Rated Values
Type / Voltage M11 / 36 kV M11 / 40.5 kV
Current / Busbar ...3150 A ...3150 A
Current / Feeders ...2500 A ..2500 A
Short-time Current ...31.5 kA ...31.5 kA
Peak Withstand Current ...80 kA ...80 kA
Power-Frequency Withstand 70 kV 85 kV
Voltage Lightning Impulse Voltage 170 kV 185 kV

 

Dimensions
Type / Voltage M11 / 36 kV M11 / 40.5 kV
Height (mm) 2500 2500
Wide (mm) 1500 1500
Depth (mm) 2200 2200


Air-insulated, single busbar:

  • Very compact construction for 36 kV
  • Partition class PI
  • Access to cable from backside
  • High cable compartment
  • Optional withdrawable voltage transformer
Rated Values
Type / Voltage M16 / 36 kV
Current / Busbar ...2500 A
Current / Feeders ...2500 A
Short-time Current ...31.5 kA
Peak Withstand Current ...80 kA
Power-Frequency Withstand 70 kV
Voltage Lightning Impulse Voltage 170 kV

 

Dimensions
Type / Voltage M16 / 36 kV
Height (mm) 2500
Wide (mm) 1000
Depth (mm) 2100 / 2300