High Voltage Oil, Vacuum and SF6 Breakers

What We Offer:

• SF6 Gas and Vacuum Circuit Breakers
  • New Installation
    • Pour new concrete pads to spec or adapt existing
    • Place breaker on bad and secure
    • Terminate Control Wiring
    • Perform Point to Point Wiring Checks
• For SF6 Gas Circuit Breakers, only
  • Evacuate SF6 Gas from Canister
  • Hold Canister vacuum in accordance with manufacturer’s instruction
  • Moisture Test OEM Supplied SF6 Gas
  • Fill Cannister with SF6 Gas with SF6 Gas Processing Cart
  • Perform a gas leak test on bushings and poles
• Testing
  • Relays
  • Current Transformers
  • Timing and Travel
  • Contact Resistance
  • Power Factor
• Maintenance, Repairs and Testing
  • Clean Breaker and Bushings
  • Bushing Replacement
    • Check and Record pneumatic or hydraulic system compressor operating settings
    • Clean, Adjust, and lubricate as necessary
    • Check the Anti – Pump Mode
    • Check Manual Trip Levers for proper Manual Trip Operation
    • Close back the Remote/Local Switch to ensure electrical close circuits are reset
    • For SF6 Gas Circuit Breakers
      • Check and Record Low SF6 Lockout and Alarm Points
      • Check SF6 Gas Pressure
      • Leak Test Bushing and Cannister
      • Replace seals and desiccant bags, as necessary
    • For Vacuum Breakers
      • Vacuum Bottle Integrity
      • Check Contact Gap
    • Testing
      • Power Factor
      • Insulation Resistance
      • Time and Travel
      • Contact Resistance
      • Minimum Pick Up on Trip and Close Coils
      • Relays