Experience a new era of power distribution efficiency with the TD-12/1250-31.5 Vacuum Arc Extinguishing Chamber. Expertly engineered to excel in 12kV applications, this chamber revolutionizes the way electrical arcs are managed, ensuring the highest levels of safety, reliability, and performance.
Unleash Unparalleled Efficiency:The TD-12/1250-31.5 Vacuum Arc Extinguishing Chamber is designed to optimize power distribution efficiency. Its state-of-the-art construction and advanced technology work in harmony to swiftly extinguish electrical arcs, allowing for seamless and uninterrupted operation.
Precision Craftsmanship:Crafted with precision and attention to detail, the TD-12/1250-31.5 stands as a testament to our commitment to quality. Its robust build ensures durability and longevity, guaranteeing consistent performance even in the most demanding environments.
Enhanced Arc Quenching:Equipped with cutting-edge arc quenching capabilities, this chamber ensures that electrical arcs are suppressed swiftly and effectively. This is critical for maintaining the integrity of your power distribution network and safeguarding your equipment.
Adaptable to Demanding Conditions:The TD-12/1250-31.5 is built to adapt to various electrical scenarios. Whether you're dealing with high currents, rapid switching, or voltage fluctuations, its design remains steadfast, ensuring reliable operation regardless of the conditions.
Future-Ready Design:As technology advances and energy demands grow, the TD-12/1250-31.5 Vacuum Arc Extinguishing Chamber is ready to meet the challenges of tomorrow. Its forward-looking design is a testament to our commitment to providing solutions that stand the test of time.
Elevate your power distribution systems to unmatched levels of efficiency, safety, and performance with the TD-12/1250-31.5 Vacuum Arc Extinguishing Chamber. Embrace a new standard of excellence in power management, and experience the difference that innovative engineering can make in your electrical infrastructure.
Size: Φ80 mm*207 mm
Rated Frequency: 50 Hz
Rated Voltage: 12 kV
Rated Current: 1250 A
Rated Short-circuit Breaking Current: 31.5 kA
Lighting Impulse Withstand Voltage (Peak): 85 kV
MAIN TECHNICAL DATA | TYPE | |||||
| TD-12/1250-31.5W | ||||||
| VOLTAGE RATINGS AT RATED CONTACT STROKE | ||||||
Rated Frequency | HZ | 50 | ||||
Rated Voltage | kV | 12 | ||||
Short-time(1min)Power-frequency Withstand Voltage | kV | 30/48* | ||||
Lighting Impulse Withstand Voltage(Peak) | kV | 85* | ||||
| CURRENT RATINGS | ||||||
Rated Current | A | 1250 | ||||
Rated Short-circuit Breaking Current | kA | 31.5 | ||||
Rated Short-time Withstand Current | kA | 31.5 | ||||
Rated Peak Withstand Current | kA | 80 | ||||
Rated Short-circuit Making Current | kA | 80 | ||||
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 | 1.0 | ||||
| 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 | 9 ± 1 | ||||
Out of Simultaneity of Contact Closing and Opening | ms | ≤ 1 | ||||
Rated Contact Pressure | N | 3000+3000 | ||||
Added External Contact Force at Contact Touch Point | N | 2100+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:The movable stem of the VI could only suffering no more than 45Nm twisting force and 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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