DC LINK EARTH SWITCH 4 POLE

                                Technical Data: 
EARTHING SWITCH FOR IGBT BASED TRACTION CONVERTER TYPE-CGL:  
 
Nominal voltage Un  3 kV DC
Maximum voltage Umax  3.6 kV DC
Number of Poles  4
Thermal current I th  400 A DC
Short time current

30 kA DC for 0.14 sec.

52 kA DC for 0.5 sec 

Dielectric test Voltage Ua

i) Main circuit & earth : 10 kV RMS

ii) Main circuit & auxiliary Contact : 10 kV RMS

iii) Auxiliary contacts .& earth: 1.5 kV RMS 

Number of Auxiliary Contact 1

Rating of Auxiliary contact

i) Rated Voltage

ii) Rated Current 

 

i) 110V AC

ii) 10 A AC 

Weight  14.6 Kg (approx.) 

Operating Condition

i. Temperature

ii. Vibration and Shocks

iii. Mechanical Durability

 

i. -40° C to +70°C

ii. As per IEC 77 Cl. 16.2

iii. 10,000 Operation Cycles 

Mounting

i. Application

ii. Connection

 

i. Traction

ii. Cables

Lock & Key Configuration 

1 Cylinder Green (Type-C) + Key Green (Type-C)

1 Cylinder Black (Type-D) + Key Black (Type-D)

Dimension
 
As per Drg. No. PCE/CGL/IGBT-ESTC/001