Upgrade your electrical systems with the cutting-edge TD12/1250-25C Vacuum Interrupter, a remarkable solution designed to excel in the 12kV realm. Engineered to meet the stringent standards set forth by IEC 62271-100, this vacuum interrupter redefines reliability and efficiency for your power distribution needs.
Unparalleled Performance in the Air:
The TD12/1250-25C Vacuum Interrupter demonstrates outstanding performance in ambient air conditions. Its advanced design ensures optimal insulation and arc quenching capabilities, allowing for seamless operation within the 12kV environment. With a dedication to efficiency, this vacuum interrupter is poised to elevate your electrical systems to new heights.
Comprehensive Compliance:
Rest assured that the TD12/1250-25C Vacuum Interrupter is built to meet the rigorous requirements of IEC 62271-100. This compliance underscores its reliability and safety, making it a robust choice for enhancing your power distribution infrastructure.
Versatility in Current Handling:
This exceptional vacuum interrupter doesn't stop at the 12kV threshold. With the ability to handle short-circuit breaking currents at either 25kA or 20kA, it showcases its adaptability across various scenarios. Whether you're dealing with demanding conditions or unforeseen spikes in current, the TD12/1250-25C is equipped to handle the challenge.
Advancing Electrical Excellence:
The TD12/1250-25C Vacuum Interrupter is more than just a component; it's a testament to the future of electrical distribution. From its robust construction to its advanced arc quenching technology, every aspect has been meticulously designed to provide you with an unparalleled level of performance, reliability, and safety.
Experience the power of innovation with the TD12/1250-25C Vacuum Interrupter. Elevate your electrical systems to new standards of excellence and ensure the smooth operation of your power distribution infrastructure. Choose a solution that's engineered for the challenges of today and the demands of tomorrow.
Size: Φ88 mm*275 mm
Rated Frequency: 50Hz
Rated Voltage: 12kV
Rated Current: 1250A/630A
Rated Short-circuit Breaking Current: 25kA
Lighting Impulse Withstand Voltage (Peak): 85kV
Meet the electrical endurance requirements of class E2 per IEC62271-100
| MAIN TECHNICAL DATA | TYPE | |||
| TD-12/1250-25C | ||||
| VOLTAGE RATINGS AT RATED CONTACT STROKE | ||||
| Rated Frequency | HZ | 50 | ||
| Rated Voltage | kV | 12 | ||
| Short-time(1min)Power-frequency Withstand Voltage | kV | 48 | ||
| Lighting Impulse Withstand Voltage(Peak) | kV | 85 | ||
| CURRENT RATINGS | ||||
| Rated Current | A | 1250 | 630 | 630 |
| Rated Short-circuit Breaking Current | kA | 25 | 25 | 20 |
| Rated Short-time Withstand Current | kA | 35 | 25 | 20 |
| Rated Peak Withstand Current | kA | 63 | 63 | 50 |
| Rated Short-circuit Making Current | kA | 63 | 63 | 50 |
| Rated Single Capacitor Bank Breaking Current | A | 630* | ||
| Rated Back-to-back Capacitor Bank Breaking Current | A | 400* | ||
| Rated Duration of Short-circuit | s | 4 | ||
| Circuit Resistance at Min. Rated Contact Force | μΩ | ≤ 15 | ||
| MECHANICAL DATA | ||||
| Contact Close Force Due to Bellows and Atmosphere | N | 90 ± 40 | ||
| Counter Force of Contact at Full Stroke | N | 180 ± 40 | ||
| Mass OF Moving Parts | kg | 1 | ||
| LIFE | ||||
| Mechanical Endurance | Times | 10000 | ||
| Contact Limit Erosion | mm | 3 | ||
| Switching Operations of Rated Short-circuit Breaking Current | Times | 30 | ||
| Shelf Life | Years | 20 | ||
| Internal Gas Pressure | Pa | ＜1.33 × 10-3 | ||
| RATED OPERATING SEQUENCE | O-0.3s-CO-180s-CO | |||
| MECHANICAL DATA OF VACUUM SWITCH EQUIPPED WITH THE INTERRUPTERS | ||||
| Average Opening Speed(first 6mm） | m/s | 1.1 ± 0.2 | ||
| Average Closing Speed(last 6mm) | m/s | 0.6 ± 0.2 | ||
| Contact Bounce Duration at Closing Operation | ms | ≤ 2 | ||
| Clearance Between Open Contacts | mm | 11 ± 1 | ||
| Out of Simultaneity of Contact Closing and Opening | ms | ≤ 1 | ||
| Rated Contact Pressure | N | 2000+3000 | 2000+3000 | 1800+2000 |
| Added External Contact Force at Contact Touch Point | N | 1400+2000 | 1400+2000 | 1300+2000 |
| Maximum Rebound During Opening | mm | ≤ 2 | ||
| Note 1:Meets or exceeds the electrical endurance requirements of calss E2 per IEC 62271-100 and GB 1984-2014. Note 2:"*"Rated insulation values require external insulation, such as SF6,transformer oil or solid dielectric material etc. Note 3:"★"Rated characteristics to be given on request. Note 4:In order not to damage the metal bellows, the movable stem should be prevented from rotation when assembling. For more requirements please check the instructions of Usage. | ||||
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