JUMPER SWITCH 120 KA

• Copper Terminals
• Trolley Jumper switch
• Large customization possible with:
  • Actuators (motor, pneumatic, manual)
  • Auxiliaries (limit switches, locks, control boxes)
  • Adaptation to the connectiong busbars.

Main Technical Caracteristics

JUMPER SWITCH 120 KA Electrical Data

• Rated current ⇒ 120 kA
• Maximum permanent current ⇒ 140 kA
• Rated breaking capacity ⇒ 10 V / 120 kA
• Maximum breaking capacity ⇒ 20 V / 120kA
• Break speed ⇒ < 200 ms
  
• Useful fife of arcing contact ⇒ ~ 100 breaks / 120 kA
• Total voltage drop ⇒ ~ 0,7 V / 120 kA
• Dielectric withstand
  • Between connections Jumper Sw. “OFF ⇒ 3 kV (6 kV 1 mn)
  • Between frame and support ⇒ 6 kV (10 kV 1 mn)
• Total power loss at 120 kA ⇒ 85 kW
• Enclosure contacts and mechanism ⇒ IP 54
• Interface for optional polarization system

 

JUMPER SWITCH 120 KA Mechanical Data

• Weight ⇒ ~ 1 T.
• Force of rolling on rail ⇒ ~30 daN
• Vertical adjustment ( pneumatic ) ⇒ ± 150 mm
• Adjustment rooms A/B ⇒ ~ 500 mm
• Rotation indexing ( pneumatic; safety J.S. OFF,
  and manual )
• Air and water hose supports
• Bridage screw supports
• Input air socket with dryer and lubricater

 

JUMPER SWITCH 120 KA Thermal Data

• Thermal power loss in cooling water ⇒ ~ 60 kW
• Rated water flow at Dq 20° C ⇒ ~ 3 m3 / h
• Mini water flow at Dq 40° C ⇒ ~ 1,5 m3 / h
• Water pressure ( rated flow ) ⇒ 2 bars