Maximum reliability: Vacuum interrupters from ABB

The interruption of current in vacuum is the ideal switching technology in the medium voltage range. Conducting and interrupting short-circuit currents is highly demanding, and so ABB manufactures its vacuum interrupters to meet the most stringent requirements for functionality, safety and design. With their outstanding switching characteristics, maximum reliability and compact design, ABB vacuum interrupters facilitate manufacture of extremely economical and robust switching devices.

The advantages of ABB vacuum interrupters at a glance:

• Compact and robust design to meet the highest demands
• Reliability and long life from state-of-the-art manufacturing processes
• Silicone moulding for maximum external dielectric strength
• Quality management to DIN EN ISO 9001
• Most frequently used switching technology worldwide for medium voltage
• Environmentally friendly and maintenance-free for life
• Experience from over 2 million vacuum interrupters in service
  

Technical data:

Vacuum Interrupters for Circuit-Breaker Applications
Rated voltage (kV)	...40,5
Rated current (A)	...3150
Rated short-circuit breaking current (kA)	...63
Mechanical operation	...30.000
Vacuum Interrupters for Contactor Applications
Rated voltage (kV)	...12
Rated current (A)	...400
Rated short-circuit breaking current (kA)	...4
Mechanical operation	...1.000.000
Vacuum Interrupters for Switch-Disconnector Applications
Rated voltage (kV)	...24
Rated current (A)	...630
Rated short-circuit breaking current (kA)	( ...4)
Mechanical operation	...10.000