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Indoor Metal Clad Switchgear |
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Product category : Switchgears
Vijai electricals are known for its reputation in the field of distribution transformers now introduces vacuum switchgear type vvms for distribution applications.
Salient features
Time tested proven vi used
Mechanism matching vi performance of m2 class [10,000] operations.
Fully metal clad
Factory assembled, ready to install
Compact in size, saves substation space
Ensures full safety to operator
Conforms to iec: 62271-200 & is: 13118
Fully type tested at cpri
Motor wound spring charged mechanism with charging time of <10 sec
Mechanism suitable for fast auto reclosing duty
Manual spring charging facility
Available optinoally with 2 trip coils
Series trip coil
Integral earthing switch
The modular design of panel facilities custom built designs such as,
Withdrawable busbar vt [or] feeder connected vt
Flexible height of instrument panels
Bus coupler arrangements
Cable extension chambers
Variety of ct combinations
Top or bottom cable entry
Busbar cable boxes in lh or rh
Tap changer for external operation as per requirement
Technical specification
Type : vvms
Rated voltage : upto 12 kv
Rated cuurent : 800 / 1250a
Insulation level
1 min p.F. Withstand [dry] : 28 kv rms
Impulse withstand : 75 kv peak
Rated short time withstand
Current [1/3 sec] : 25 ka rms
Rated short circuit breaking
Current : 25 ka rms
Rated short circuit making
Current : 62.5 ka peak
Opening time : 35 ± 5 m
Closing time : 45 ± 5 ms
Rated operating duty cycle : o-0.3s-co-3min-co
Contact life
Mechanical : 30,000 operations
At load current : 20,000-30,000 operations
At full short circuit current : 100 operations
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| Suppliers Name |
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Vijai Electricals Ltd. |
| Address |
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6-3-648/1&2, Off Raj Bhavan Road,
Somajiguda
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| Telephone
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91-40-30617777 |
| Fax
No. |
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91-40-30617892 |
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