Alliance Panels & Switchgears Pvt. Ltd.
   
 
 
 
 
 
  ......................................................
12kv Retrofitting VCB
Alliance Panels & Switchgears Pvt. Ltd.
 
Alliance Panels & Switchgears Pvt. Ltd.
 

Salient Features of 12kv Vacuum Circuit Breaker

Type tested & Conforms to IEC 62271-100,IS 13118
Simple,compact & easy to operate
Arc interruption in vacuum.
Robust porecelain bushing for higher insulation levels.
IP55 cabinet housing for spring charged mechanism & Controls.
Galvanised Steel Support structure,extendable for CT / PT.
Local / Remote Control & Relay Panel.
A simple motor charged spring operating mechanism noted for its high performance reliability.
Superior mechanical Endure limit Maintenance required only after 10,000 operations.
A Versatile mechanism capable of operating Vacuum interrupters of any type .Hence dependence of single source of Vacuum interrupters eliminated.
Trip free mechanism suitable for repeated auto re-closing duty.
Spring charging time of less 10 seconds.
 
VCB Technical Data
 
Type
ASOVB - 12
Rated Voltage
KV
12
No. of Poles
No
3
No. of breaker per Pole
No
1
Frequency
Hz
50 / 60
Rated Current
Amp
630 / 1250 / 1600
Short circuit current
KA
13.1 / 20 / 62.5
Making Current
KAp
33 / 50 / 62.5
Duration of short time current
Sec.
3
Insulation Level
Impulse
Power Frequency rms
KVP
KV

75 / 95
28
Creepage distance
mm
450
Contact Travel
mm
7(+1,-1)
Opening Time
Cycles
Less than 2 cycles
Interrupting Time
Cycles
Less than 3 cycles
Closing time
Cycles
Less than 3 cycles
Duty Cycle
Cycles
0-0.3 sec.-Co-3 min - CO
Reclosing time
m sec
300
Type of Mechanism   Motor / Manual Spring Charge Type
Coil Voltage*   24 / 30 / 48 / 110 / 220 V DC
Trip / closed coil power   350 Watts
Motor operating voltage   230 V AC / DC
Auxiliary Switch   Up to 8 NO + 8 NC
Degree of Protection   IP 55
Applicable Standard   IEC 62271 - 100, IS 13118
* Different voltage as per customer requirement
 
 
GENERAL ARRANGEMENT
Sr. No.
Description
1
Interrupter Porecelain Bushing
2
Support Porcelain Bushing
3
Housing For Machanism
4
Handle
5
Door Lock
6
Name Plate
7
Lifting Hook
8
Upper Terminal Pad Bare Aluminium
9
Lower Terminal Pad Bare Aluminium
10
Support Structure
 
 
 
 
  copyright 2011-12, Alliance Panels & Switchgears Pvt. Ltd.