ECOSMART VCB L
Medium Voltage Vacuum Circuit Breaker for Secondary
Distribution
Up to 24kV 630A 21KA
VACUUM CIRCUIT BREAKER
Rated Voltage
Ur (kV
Power frequency withstand voltage 50/60 Hz 1min.
Rated lighting impulse withstand voltage
Rated Frequency
Rated current
Rated breaking capacity
Rated short time withstand current 1-3 seconds
Operation sequence
Operating time
Arcing time
Total breaking time
Closing time
Mechanical classes
Vacumm circuit breaker
Vacumm circuit breaker
Ud (kV)
Up (kV)
fr (Hz)
Ir (A)
Isc (kA)
Ik (kA)
(ms)
(ms)
(ms)
(ms)
Class
M1
M2
Reference Picture
12
24
28
50
75
125
50/60 50/60
630
630
16-21 16-20
16-21 16-20
O - 0,3sec - CO - 3min - CO
50
50
7/12
7/12
57/62 57/62
65
65
Notes
2000 mechanicals operations
10.000 mechanicals operations