Totally enclosed simple in construction and easy to operate
VCB can be fixed (or) draw out type
Mechanism matching VI performance of M2 class (10,000) operations
VTs/PTs and relay control panel are inbuilt
Power supply can be taken through roof bushing (or) cable box (or) combination of both
Minimum maintenance
Enclosure tested for IP55
Motor wound spring charged mechanism with charging time of <10 sec
Mechanism suitable for fast auto reclosing duty
Series trip coil
Technical Parameters :
Description
12kV
Rated current Insulation level
1 min.P.F.withstand voltage (wet)
1 min. P.F. withstand voltage (dry)
Impulse withstand voltage Rated short time
Withstand current (1 or 3sec)
Rated short circuit breaking current
Rated short circuit making current
Opening time
Closing time
Rated duration of short circuit
Rated operating duty cycle Contact life
Mechanical
At load current
At full short circuit current
630/800A
28/35 kV rms
28/35 kV rms
75 kV peak
25 kA rms
25 kA rms
62.5 kA peak
35+5 ms
45+5 ms
1 or 3 sec
O-0.3s-co-3min-CO
Product Range
