| Prod Model: |
SF |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Breaking Capacity: |
High Voltage Circuit Breakers |
| Operation: |
Electric Type |
| Speed: |
Normal Type Circuit Breaker |
| Arc-extinguishing Medium: |
SF6 |
| Installation: |
Fixed |
| Structure: |
ACB |
| Poles Number: |
1 |
| Certification: |
CCC |
Product Description
Outdoor Sf6 Circuit Breaker (72.5/126/145KV), Circuit Breaker
-Ambient Condition:
1. Altitude: 1000m (high-altitude is of particular order);
2. Ambient temperature: -25 ~+40 (under -25 is of particular order);
3. Maximum wind speed: 42.2m/s;
4. Earthquake intensity: 8 degree;
5. Pollution degree: (25kV/mm), (31kV/mm)
-Product Features:
1. Excellent breaking performance of arc-extinguish chamber;
2. Good insulation capacity;
3. Dependable mechanical maintenance;
4. Reduction of noise;
5. Convenient installation and debugging;
6. Dependable air-proof feature;
7. Long mechanical life and maintenance-free;
8. Safe and reliable operation.
- Technical Parameter as follows:
| No | Item | Unit | Parameter |
| 1 | Rated Voltage | KV | 72.5, 126, 145 |
| 2 | Rated Current | A | 1250, 1600, 2000, 3150 |
| 3 | Rated Frequency | HZ | 50, 60 |
| 4 | Rated Short-Circuit Withstand Current 4s | KA | 31.5, 40 |
| 5 | Rated Short-Circuit Duration | S | 4 |
| 6 | Rated Short-circuit Breaking Current | Short-circuit Current | KA | 31.5, 40 |
| DC Shunt | - | 44% |
| 7 | Rated Short-circuit Making Current (peak) | KA | 80, 100 |
| 8 | Rated Peak Withstand Current | KA | 80, 100 |
| 9 | Short-line Fault Breaking Current | KA | le x 90% le x 75% |
| 10 | Rated out-of-phase breaking current | KA | le x 25% |
| 11 | Rate Charging Line Breaking Current | A | 10, 31.5, 50 |
| 12 | Rated Insulating Level | 1 min P. F Withstand Voltage | Across Open Contacts | KV | 200, 265, 315 |
| Phase to Phase | 160, 230, 275 |
| Phase to Earth | 160, 230, 275 |
| Lightning Impulse Withstand Voltage (peak) | Across Open Contacts | 385, 630, 650 |
| Phase to Phase | 350, 550, 650 |
| Phase to Earth | 350, 550, 650 |
| 5 min Zero-pressure Withstand Voltage Test (Virtual Value) | Phase to Phase | 95 |
| Phase to Earth | 95 |
| 13 | First Pole to Clear Factor | - | 1.5 |
| 14 | Rated Operate Sequence | - | O-0.3S-CO-180S-CO; CO-15S-CO |
| 15 | Full Breaking | ms | ≤ 60 |
| 16 | SF6 Gas Rated Pressure (20 o C) | Mpa | 0.60 |
| 17 | Alarming Pressure | 0.55 |
| 18 | Locking Pressure | 0.50 |
| 19 | Terminal Static Pulling Power | Level Lengthways | N | 1250 |
| Level Transverse | 750 |
| Vertical | 1000 |
| 20 | Fixed Opening Time | Rated Voltage | ms | 30 ± 3 |
| 21 | Closing Time | ms | 75 ± 8 |
| 22 | Reclosing O-0.3S-3CO | Primary Opening Time | ms | 30 |
| OC Time | 280-300 |
| Closing Time | 75 |
| CO Time | ≤ 60 |
| Second Opening Time | 35 |
| 23 | Control Circuit Voltage | V | AC/DC, 110/220 |
| 24 | CO Loop Voltage | V | AC/DC, 110/220 |
| 25 | CO Loop Current | A | 2 |
| 26 | Motor Voltage | V | AC/DC, 110/220 |
| 27 | Motor | W | 600 |
| 28 | Heater Voltage | V | AC220 |
| 29 | Mechanical Duration | Times | 6000, 10000 |
| 30 | Radio Interrupting Voltage | μ V | ≤ 500 |
| 31 | Electrical life of rated short-circuit breaking current | Times | 20 |
| 32 | Protection grade of enclosure | - | IP4X |
| 33 | Creepage Distance | mm | 1813, 2248, 3150, 3800, 4495, 5800 |
Located in Shenzhen, Refine Technology Limited is a professional supplier and solution provider for electrical equipment and manufacturing machinery.
Up to now, we have established strategic partnership with power utilities, state-owned enterprises, reputed companies in North America, Europe, Asia, Africa, South America, etc.
In the past years, our quality products and complete solution has been exported to many countries worldwide, such as whole-process solution on tendering, turnkey project to set up a new concrete pole factory, one-stop electrical equipment procurement/delivery/after sales services, etc.
Since the foundation of the company, we regard quality as the foundation of long-term development, our company has been operating strictly as per ISO9001 quality management system, while our products has been certified in the target markets like Europe, North America, Asia, etc.
Apart from the offline marketing channels, our online E-commerce marketing is also growing drastically, our O2O business mode and professional backup team will keep bring value to all our partners.
Regarding ' Integrity' as our core value and ' Win-win' as the business strategy, we sincerely welcome you to visit our company or contact us for any upcoming cooperation opportunities.
Looking forward to establishing a long-term partnership with you.
