| SR. NO. |
PARAMETER |
VALUE |
| 1 |
Type |
Indoor, fixed Type |
| 2 |
Rated Nominal Voltage (KV) |
33KV |
| 3 |
Rated Highest Voltage (KV) |
36KV |
| 4 |
Rated Normal Current (Amps) |
1600 A |
| 5 |
Rated Frequency (Hz) |
50Hz |
| 6 |
Rated Short Circuit Breaking Current (kA) |
25 KA |
| 7 |
Rated Short Circuit Making Current (kAp) |
62.5 KAP |
| 8 |
Rated PF Withstand Voltage for 1 minute |
70 KV |
| 9 |
Rated LI Withstand Voltage (KVP) |
170 KVP |
| 10 |
Rated Short Time Current (KA/Sec.) |
25 KA / 3secs. |
| 11 |
Rated Operating Sequence |
O – 0.3 sec., CO – 3 Min. – CO. |
| 12 |
Rated Aux. Supply for Spring charging Motor |
110/230V AC / DC |
| 13 |
Spring charging motor Rating |
110/230V AC / DC, 250 W |
| 14 |
Spring charging motor time (ms) |
< 10 Sec. |
| 15 |
Detail of overload Protection Provided for spring charging motor |
MCB / Fuse |
| 16 |
Rated supply of Tripping / Closing Coils |
24 / 30 / 110 /220 V DC |
| 17 |
Power Required for Tripping & Closing Coils |
250 W |
| 18 |
No. of Poles |
3 |
| 19 |
No. of Breaks / Pole |
1 |
| 20 |
Class |
Indoor |
| 21 |
Application Standards |
IEC- 62271-100 , IEC- 62271-200 & IS 3427-1997 |
| 22 |
Type of Operating Mechanism |
Motor Wound Spring Charged stored energy |
| 23 |
VACUUM INTERRUPTER DETAILS
| a) Make |
| b) Model No. / Type, Designation |
| c) Voltage / Current Rating |
| d) STC Rating & Duration |
| e) Type of Contacts |
| f) Contact Pressure at no Load |
g) Electrical Life
| i) At rated normal current |
| ii) At rated short circuit current withstand |
|
| h) Mechanical life |
|
| Shaanxi / CGL / Equivalent approved make |
| TD-27/TD-17/VL-35416-13F/ Equ. |
| 36 KV, 2000A |
| 25 KA / 3Sec. |
| Butt |
| 170 kgf to 230 kgf |
| 10000 operations |
| 100 operations |
|
| 20000 operations |
|
| 24 |
Maximum Temp. Rise over ambient Temp. |
Within permissible limits as per IS / IEC |
| 25 |
Breaking capacity (KA)
| a) Symmetrical |
| b) Symmetrical at rated service voltage |
|
|
| 26 |
Minimum closing time from the instant of trip coil energisation (ms) |
> 80 ms |
| 27 |
Rated transient recovery voltage |
As per std. |
| 28 |
a) Data on re-striking voltage
| i) Amplitude factor 100% & 50% of rated capacity |
| ii) Natural frequency |
| iii) Phase factor |
| iv) R.V. Volts / micro second |
|
As per std.
As per std.
|
| 50 Hz |
| As per IEC – 62271-100 |
| As per std. |
|
| 29 |
Minimum clearance in air (MM)
| i) Phase to Phase (C to C) |
| ii) Phase to Earth |
| iii) Live parts to ground level |
|
|
| 30 |
Total length of break per phase |
19 ±2 mm |
| 31 |
Total Break Time (milli-sec.) |
< 5o ms |
| 32 |
Opening Time (milli-sec) |
< 5o ms |
| 33 |
Closing Time (milli-sec) |
< 8o ms |
| 34 |
Opening Speed (Meter / Sec.) |
0.8 to 1.4 M/Sec. |
| 35 |
Closing Speed (Meter / Sec.) |
0.8 to 1.4 M/Sec. |
| 36 |
DC component of rated short circuit breaking current |
> 50 % |
| 37 |
First pole to clear factor |
> 50 % |
| 38 |
Number of Auxiliary contact provided & type
| i) Normally open |
| ii) Normally close |
| iii) Those adjustable with respect to the position of main contacts |
|
|
| 39 |
Weight of VCB with Mechanism. |
350 Kgs Approx. |
| 40 |
Overall dimension of VCB (mm) |
960x632x1575 |
| 41 |
Measures provided to indicate for Wear / tear of contacts |
Cont. Erosion mark on interrupter. |
