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Weblinks
245 CIRCUIT BREAKER | |||
1 | Manufacturer/Country of Origin | ABB LTD/INDIA | |
2 | Ordering number | LTB245E1/(TPO)(3-pole operation) | |
I | Substantial requirements | ||
1 | Applicable standard | IEC 62271-100 | |
2 | Type | Outdoor, three-pole operation | |
NA(As per scope of supply) | |||
3 | Insulating medium | SF6 | |
4 | Rated voltage | kV | 245 |
5 | Rated frequency | Hz | 50 |
6 | Rated current (In) | A | upto 3150 A(At 50oC ambient)/4000 A(At 40oC ambient) |
7 | Rated three phase symmetrical short-circuit breaking current | kA rms. | 40 |
8 | Rated three phase symmetrical short circuit making current | kA peak | 100 |
9 | Rated duration of short-circuits | s | 3 |
10 | Rated Operating Sequence | O-0.3s-CO-3min-CO | |
11 | Lightning impulse voltage (1.2/50ms) withstand to earth | kV peak | 1050 |
12 | One minute power frequency voltage withstand to earth 50 Hz | kV rms. | 460 |
13 | Minimum creepage distance | mm/kV | 25 |
14 | Operating mechanism | Three-pole | |
15 | Operating mechanism drive type | Spring | |
16 | Operating times: (*) | ||
- Opening time | ms | 21 ms (opening)/45 ms(interrupting) | |
- Closing time | ms | 60ms(TPO) | |
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Maximum time on auto-reclose of : (from trip energisation to instant of reclose main contacts) | ms | 3-30s three phases | |
17 | Resistance of main contact (new contact) | mW | <=49 micro ohm |
18 | Rated out-of phase breaking current | kA | 10 |
19 | Rated line charging breaking current | A rms. | 125 |
20 | Rated cable charging breaking current | A rms. | 250 |
21 | Rated small inductive breaking current | A rms. | 20 |
22 | Rated transient recovery voltage for terminal faults (T100) | kV peak | 364 |
23 | Auxiliary power supply | ||
- Voltage for heating and spring charged motor | Vac | 220 | |
- Control, closing & tripping voltage | Vdc | 220 | |
24 | Number of tripping coil | pcs | 2 |
25 | Mechanical operation duration (In - class M2) | time | 10,000 cycles |
26 |
Type test for Mechanical operation duration (The contractor must provide type tests to demonstrate the parameters offered.) |
yes | yes |
27 | Steel structure | ||
Height steel structure | mm | Support structure Not in ABB India Scope | |
Operating floor | Yes/No | Support structure Not in ABB India Scope | |
Height operating floor | mm | Support structure Not in ABB India Scope | |
II | Non-substantial requirements | ||
1 | First-pole-to-clear factor | 1,3 | |
2 | Rated capacitive breaking current | A rms. | 400 |
3 | Number of spare auxiliary contact | ||
Normally opened | pcs | 12 (Using Contact multiplier. Maximum 08 Direct mechanical contacts) | |
Normally closed | pcs | 12 (Using Contact multiplier. Maximum 08 Direct mechanical contacts) | |
4 | Materials of terminals | ||
HV | Aluminium | ||
5 | Steel structure | ||
Type | Support structure Not in ABB India Scope | ||
Materials | Support structure Not in ABB India Scope | ||
III | Requirements for information | ||
1 | Rated times quanlities of circuit breaker | ||
Opening time (no-load) | ms | 21 ms (opening)/45 ms(interrupting | |
Closing time (no-load) | ms | 60ms(TPO) | |
Open-close time (no-load) | ms | 325 | |
Reclosing time (no-load) | ms | 345 | |
Close-open time (no-load) | ms | 42 | |
2 | SF6 gas | ||
SF6 mass for one three-pole circuit breaker | kg | As per attached Dimension drg. | |
Rated SF6 density | kg/m3 | 0.7 Mpa | |
First threshold of SF6 density | kg/m3 | 0.62 Mpa | |
Second threshold of SF6 density | kg/m3 | 0.6 Mpa | |
SF6 gas pressure density gauss | Yes | ||
3 | Max. noise level at 3 meters distance due to operation of circuit breaker | dB | 91-111 db( Abs ) |
4 | Max. impact load due to circuit breaker operation | kg | 70000N Horizontal & 14000N Vertical on foundation (resulting load for TPO) |
5 | Rated mechanical terminal load kN | kN | 3 kN in any Direction |
6 | Minimum clearance between poles | mm | As per attached Dimension drg. |
7 | Minimum clearance to earth | mm | 1925 mm ( as per IEC 71-1 , 1900 mm is minimum) |
8 | Total weight of complete circuit breaker | kg | As per attached Dimension drg. |
9 | Terminals (Dimensions : Holes - No. , size and spacing) | As per attached Dimension drg. | |
HV | As per attached Dimension drg. | ||
10 | Drawings of steel structure | Yes/No | Support structure Not in ABB India Scope |
123KV CIRCUIT BREAKER | |||
1 | Manufacturer/Country of Origin | ABB LTD/INDIA | |
2 | Ordering number | LTB145D1/B,FSA1 | |
I | Substantial requirements | ||
1 | Applicable standard | IEC 62271-100 | |
2 | Type | Outdoor, 3 phase | |
3 | Insulating medium | SF6 | |
4 | Rated voltage | kV | 123 |
5 | Rated frequency | Hz | 50 |
6 | Rated current (In) | ||
Type 1 | A | upto 2500 A(At 50oC ambient)/3150 A(At 40oC ambient) | |
Type 2 | A | upto 2500 A(At 50oC ambient)/3150 A(At 40oC ambient) | |
7 | Rated three phase symmetrical short-circuit breaking current | kA rms. | 31,5 |
8 | Rated three phase symmetrical short circuit making current | kA peak | 80 |
9 | Rated duration of short-circuits | s | 3 |
10 | Rated Operating Sequence | O-0.3s-CO-3min-CO | |
11 | Lightning impulse voltage (1.2/50ms) withstand to earth | kV peak | 550 |
12 | One minute power frequency voltage withstand to earth 50 Hz | kV rms. | 230 |
13 | Minimum creepage distance | mm/kV | 25 |
14 | Operating mechanism | 3 pole | |
15 | Operating mechanism drive type | Spring | |
16 | Operating times: (*) | ||
- Opening time | ms | 36 to 45(opening)/70 ms(interrupting) | |
- Closing time | ms | <75ms | |
Maximum time on auto-reclose of : (from trip energisation to instant of reclose main contacts) | ms | 3-30s three phases | |
17 | Resistance of main contact (new contact) | mW | <=42 micro ohm |
18 | Rated out-of phase breaking current | kA | 10 |
19 | Rated line charging breaking current | A rms. | 50 |
20 | Rated cable charging breaking current | A rms. | 160 |
21 | Rated small inductive breaking current | A rms. | 100-315A |
22 | Rated transient recovery voltage for terminal faults (T100) | kV peak | 249kVp |
23 | Auxiliary power supply | ||
- Voltage for heating and spring charged motor | Vac | 220 | |
- Control, closing & tripping voltage | Vdc | 220 | |
24 | Number of tripping coil | pcs | 2 |
25 | Mechanical operation duration (In - class M2) | time | 10,000 cycles |
26 |
Type test for Mechanical operation duration (The contractor must provide type tests to demonstrate the parameters offered.) |
yes | yes |
II | Non-substantial requirements | ||
1 | First-pole-to-clear factor | 1,5 | |
2 | Rated capacitive breaking current | A rms. | 400 |
3 | Number of spare auxiliary contact | ||
Normally opened | pcs | 12 (Using Contact multiplier. Maximum 08 Direct mechanical contacts) | |
Normally closed | pcs | 12 (Using Contact multiplier. Maximum 08 Direct mechanical contacts) | |
4 | Materials of terminals | ||
HV | material | Aluminium | |
5 | Steel structure | ||
Type | Support structure Not in ABB India Scope | ||
Materials | Support structure Not in ABB India Scope | ||
Height steel structure | mm | Support structure Not in ABB India Scope | |
Height operating floor | mm | Support structure Not in ABB India Scope | |
III | Requirements for information | ||
1 | Rated times quanlities of circuit breaker | ||
Opening time (no-load) | ms | 36 to 45(opening)/70 ms(interrupting) | |
Closing time (no-load) | ms | <75ms | |
Open-close time (no-load) | ms | 325 | |
Reclosing time (no-load) | ms | 370ms | |
Close-open time (no-load) | ms | <65 | |
2 | SF6 gas | ||
SF6 mass for one three-pole circuit breaker | kg | As per attached Dimension drg. | |
Rated SF6 density | kg/m3 | 0.7 Mpa | |
First threshold of SF6 density | kg/m3 | 0.62 Mpa | |
Second threshold of SF6 density | kg/m3 | 0.6 Mpa | |
SF6 gas pressure density gauss | Yes | ||
3 | Max. noise level at 3 meters distance due to operation of circuit breaker | dB | 91~116dB ( Abs ) |
4 | Max. impact load due to circuit breaker operation | kg | 1000N Horizontal & 12000N Verical |
5 | Rated mechanical terminal load kN | kN | 1.5kN Static & 3kN Dynamic |
6 | Minimum clearance between poles | mm | 1750 (Center to Center) ; 1483 (Air) |
7 | Minimum clearance to earth | mm | 2507 (As per attached Dimension drg. ) |
8 | Total weight of complete circuit breaker | kg | As per attached Dimension drg. |
9 | Terminals (Dimensions : Holes - No. , size and spacing) | As per attached Dimension drg. | |
HV | As per attached Dimension drg. | ||
10 | Drawings of steel structure | Yes/No | Support structure Not in ABB India Scope |
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