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HIGH VOLTAGE SWITCHGEAR
 
Air Insulated Switchgear
(Up to rated voltage 15 kV)
  Single Busbar Switchgear
    Horizontal drawout / Horizontal isolation AH12
    Horizontal drawout / Vertical isolation AV12
  Double Busbar Switchgear
    Horizontal drawout / Horizontal isolation AH12
  Gas Insulated Switchgear
(Up to rated voltage 36 kV)
    36 kV Gas insulated Switchgear
  15 kV Ring Main Unit
    15 kV Ring Main Unit with Switch fuse unit
    15 kV Ring Main Unit with VCB
LOW VOLTAGE SWITCHGEAR
RING MAIN UNIT (RMU)
Type AR12 with ring switches and Switch-Fuse/circuit breaker in SF6 insulated chamber.


PRODUCTS :: HIGH VOLTAGE... >> ------------------------------------------ CATALOGUE

Salient Features :

  • Free standing or Transformer mounted.
  • Indoor and outdoor use.
  • Built-in Earthing Switches for ring cables and Transformer.
  • Built-in cable testing facility.
  • High degree of operator safety.
  • Full Protection from external environment.
  • Single operating handle for all Switches.
  • Reduced maintenance.
Technical Data
Ratings Unit

Ring Switch (Load Break Switch) Type: ARRS-12

Transformer Switch-Fuse (Load Break Switch) Type:ARTS 12

Vacuum Circuit Breaker

Type: AH12
Rated Voltage              
kV
12/15
12/15
12/15
Rated Current (IEC Rating)
A
630
200
630
P.F. Withstand Voltage
kV
28/38
28/38
28/38
Impulse Withstand Voltage       
kVp
75/95
75/95
75/95
Frequency                   
Hz
50/60
50/60
50/60
Breaking Current kA
-
20/25 **
20/25
Mainly Active Load        
A
630
200
-
Closed Loop Current      
as per  IEC 60265
A
630
-
-
Cable Charging Current  
as per  IEC 60265
A
25
25
-
Short -time Withstand   
Current for 3 sec
kA
20
2.5
21
Short -time Withstand   
Current for 1 sec
kA
25
3.15
25
Rated Peak Withstand   
Current
kAp
62.5
8.2
62.5
Rated Peak Making       
Current
kAp
62.5
50/65 **
62.5
Fuse  Rating
A
-
Up to 160
-
Rated Busbar Current (IEC Rating)
A

Up to 1250

Minimum operating SF6 Gas Pressure
Bar g

0.05

** Prospective value, the actual current being limited by fuse

For Turnkey/EPC Projects refer the details under Projects & Services
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