Metal-Enclosed Switchgear

Metal-Enclosed Load Interrupter Switchgear
Encapsulated 600-Volt Class Transformers
  • Description: Three-Phase, Group-Operated Load-Interrupter Switches with Fuses in Single and Multi-Bay Assemblies in Combination with Dry-Type Transformers
  • Method of Operation: Manual, Automatic Source Transfer, SCADA Control, Shunt-Trip
  • Circuit Configurations: Per Specification
  • Applicable Standards:
    • C37.20.3, C37.20.4, C37.57, C37.58 and C57.12.18 
    • UL® Listing at 5kV and 15kV, 600 to 1200 amperes, 1,000 mechanical operations
  • Voltage Range: 5kV - 35kV
  • BIL: 60kV - 200kV
  • Transformers: Through 10MVA at 35kV to C57.12.51
  • Current Ratings:
    • 600 and 1200 ampere continuous 3-phase load-break switches
    • Fusing to 1100 amps with current-limiting fuses
    • Fusing to 720 amps with power fuses
    • Switch 3-Phase
      • 40ka asymmetrical 3-time fault-closing
      • 61ka asymmetrical 1-time fault-closing
      • 61ka momentary at 38kV
      • 100 load-break operations at 600 amperes
      • UL® Recognized - 600A, 1200A, 5kV, 15kV
      • 1,000 mechanical operations
  • Optional Features: Key Interlocks, Stainless Steel Enclosure, Copper Bus, Special Colors, Copper Core & Coil, Stainless Steel Switches, Metering Requirements, Monitoring Requirements, Vacuum Circuit Breakers, Category A, B and C Enclosures
  • Users: Utility, Industrial, Military, Universities, Correctional, Hospitals, WWT Facilities

Unit Substation Primary Switchgear
Encapsulated 600-Volt Class Transformers
  • Description: Three-Phase, Group-Operated Load-Interrupter Switches with Fuses in Single and Multi-Bay Assemblies in Combination with Dry-Type Transformers
  •  Method of Operation: Manual, Automatic Source Transfer, SCADA Control, Shunt-Trip
  • Circuit Configurations: Per Specification
  • Applicable Standards:
    • C37.20.3, C37.20.4, C37.57, C37.58 and C57.12.18
    • UL® Listing at 5kV and 15kV, 600 to 1200 amperes, 1,000 mechanical operations
  • Voltage Range: 5kV - 35kV    
  • BIL: 60kV - 200kV
  • Transformers: Through 10MVA at 35kV to C57.12.51
  • Current Ratings:
    • 600 and 1200 ampere continuous 3-phase load-break switches
    • Fusing to 1100 amps with current-limiting fuses
    • Fusing to 720 amps with power fuses
    • Switch 3-Phase
      • 40ka asymmetrical 3-time fault-closing
      • 61ka asymmetrical 1-time fault-closing
      • 61ka momentary at 38kV
      • 100 load-break operations at 600 amperes
      • UL® Recognized - 600A, 1200A, 5kV, 15kV
      • 1,000 mechanical operations
  • Optional Features: Key Interlocks, Stainless Steel Enclosure, Copper Bus, Special Colors, Copper Core & Coil, Stainless Steel Switches, Metering Requirements, Monitoring Requirements, Vacuum Circuit Breakers, Category A, B and C Enclosures
  • Users: Utility, Industrial, Military, Universities, Correctional, Hospitals, WWT Facilities