34.5kV Load Break Interrupter Switchgear
Features:
- Minimum Maintenance
- Long Interrupting Life
- Greater Safety
- Simple to Install and Operate
PIF FRAME MOUNTED HEAVY DUTY RUGGED INDUSTRIAL LOAD BREAK SWITCHES WITH SUPERIOR FEATURES PROVIDE:
ARCING CHAMBERS
Tungsten material stationary arcing contacts are located inside the arc chutes. They remain at the same potential as the main stationary contact. As the quick break blade is withdrawn from the arc chute it parts with the stationary arcing contacts inside the chute. The chute is made from a specially prepared compound that evolves a gas to quickly extinguish the arc. Clean consistent interruptions result. No appreciable amounts of gas are evolved.
MAIN MOVEABLE BLADES
These blades are made of 99% conductivity hard drawn ETP copper bars and they are heavily silver-plated at the contact points for long dependable operation.
QUICK BREAK BLADE
The quick break arcing blade is made of a special high strength, hi conductivity material tipped with a tungsten arcing material. A quick break spring charging mechanism is mounted on the blade that with an assist from the arcing chamber stationary contacts prevents the opening until after the main contacts part at the proper clearance spacing.
PORCELAIN SWITCH INSULATORS – The near ULTIMATE in insulation
Wet process porcelain is used as the insulating support for the main hinge and jaw contacts. Porcelain is a tried and true material proven in service as the near ultimate in insulation. It has excellent dielectric characteristics, is non-tracking, non-combustible, non-hygroscopic, won’t age, and is easy to clean. No organic materials can compare to the performance of porcelain.
A SUPER STRUCTURE
Powercon’s all welded frame design provides a ruggedness and greater structural strength which is in a class b@ itself. The jig welded structural members form an assembly to provide ii plumb and square switch unit. This assures interchangeability of units and results in a minimum of installation time.
STATIONARY ARCING TIPS
Powercon arcing blades and tips are designed to prevent arcing blades from hanging up in the stationary arcing contacts. Successful tests with welded stationary contacts have been made and it has been successfully demonstrated that these tips do not hang up.