Low Voltage Circuit Breakers
Electric Type
High-Speed Circuit Breaker
SF6
Open Frame
MCCB
2
Circuit Breaker
Conventional Circuit Breaker
CCC
66kv
3150A
100ka
72.5kv
Vouchivan
Wooden Case
145kv
Xuzhou, China
Product Description
No. | Item | Unit | Technical parameter | Note | ||
1 | Rated voltage | kV | 66 |
| ||
2 | Maximum working voltage
| kV | 72.5 |
| ||
3 | Rated current | A | 3150 |
| ||
4 | Rated breaking current
| kA | 40 |
| ||
5 | Rated closing current | kA | 100 |
| ||
6 | closing time
| ms | ≤150 |
| ||
7 | Opening time | ms | ≤30 |
| ||
8 | Total breaking time | ms | ≤60 |
| ||
9 | Operation ondifferent time | interphase
| closing | ms | ≤4 |
|
|
|
| opening | ms | ≤2 |
|
10 | operating mechanism
|
| CTB Electric spring operating mechanism |
| ||
11 | Operate the control loop power supply voltage | V | DC220/110 | |||
Description
Outdoor Sulfur Hexafluoride (SF6) dead tank circuit breakers,
- Rated voltage : 69 KV
- Rated Continuous current : 1200 A / 1250A/1600A /2000A
- Interrupting current rating: 31.5 KA
- Frequency : 50 /60 Hz
- Basic insulation level (BIL): 350 KV
- With 6 pcs 150:5 ratio relaying accuracy bushing current transformers (CT)
- Outdoor usage, with 3 pcs SF6 interrupters
- 6-terminal pads with 4-hole each
- Trip-free spring operation mechanism
- 12-stages auxiliary contacts
- Anti-condensation cabinet heater
- Control wiring and terminal blocks
- 110VDC trip coil
- 48 VDC /110VDC closing coil
- 110 /220 VDC Auxiliary voltage
- with operation handle
- with isolating switches
- mechanical position indicator
- CB frame grounding terminal holes
- hot-dipped galvanized mounting structure
- with gas charging device with regulator valve
- with gas leak detector
- with spare SF6 gas
Circuit breakers meet the requirements specified in EN 62271-1, EN 62271-100, EN 60273, and other relevant EN (IEC) standards.
