VACUUM CONTACTORS

Applications

• For indoor applications

Features

• Rated voltage: 6.6 / 11 kV
• Highest system voltage: 7.2 / 12 kV
• Rated frequency: 50 / 60 Hz
• BIL: 20 kV AC / 60 kV peak
• 28 kV AC / 75 kV peak
• Number of poles: 3 / 2 / 1
• Rated current: 200 / 400 A
• Rated motor switching current: 400 A
• Rated single bank switching current: 100 / 200 A
• Rated short-time current: 10 kA /1 s
• Peak making current: 10 kA / 25 kA peak
• Electrical endurance: 10 000 operations
• Mechanical endurance: 25 000 operations
• Mechanism: Solenoid / mechanical latch

Customer benefits

• Encapsulated Vacuum Interrupter with a high dielectric strength and reliability
• Choice of solenoid and mechanical mechanism
• Mechanism tested for 30 000 operations
• Capable of operation from 70% to 120% of rated voltage of operating coil
• Highly efficient in capacitor switching and DC switching applications
• No arc produced is exposed to atmosphere hence no fire hazards
• Maintenance-free electrical contacts. Compact with low footprints saves panel space
• High electrical and mechanical life