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12kV Vacuum Arc Extinguished Chamber with Excellent Performance 12kV Vacuum Arc Extinguished Chamber with Excellent Performance
12kV Vacuum Arc Extinguished Chamber with Excellent Performance 12kV Vacuum Arc Extinguished Chamber with Excellent Performance

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12kV Vacuum Arc Extinguished Chamber with Excellent Performance

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  • TD-12/1250-31.5W

  • Kaisaier

  • 1218

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Product Description

Experience the pinnacle of performance and innovation with the TD-12/1250-31.5 Vacuum Arc Extinguishing Chamber. Designed to elevate your electrical systems to new heights, this exceptional component redefines reliability, efficiency, and safety.

Unleash Unmatched Performance:The TD-12/1250-31.5 Vacuum Arc Extinguishing Chamber is engineered to deliver exceptional performance under the most demanding conditions. Its cutting-edge design and advanced technology ensure optimal arc quenching capabilities, resulting in seamless and efficient operation.

Ideal for Medium-Voltage Applications:Specifically designed for medium-voltage applications, the TD-12/1250-31.5 is tailored to meet the unique demands of your electrical infrastructure. Whether you're dealing with distribution networks, substations, or industrial setups, this arc extinguishing chamber is your ideal solution.

Precision Craftsmanship:Crafted with precision and attention to detail, the TD-12/1250-31.5 is a testament to engineering excellence. Its components work in perfect harmony, offering consistent and reliable performance over its extended lifespan.

Safety at Its Core:Safety is paramount, and the TD-12/1250-31.5 prioritizes this aspect. Its advanced design minimizes the risk of arc flashes and other hazardous events, safeguarding both personnel and equipment. With its innovative technology, you can trust in its ability to protect your electrical systems.

Versatile and Future-Ready:Embrace versatility with the TD-12/1250-31.5 Vacuum Arc Extinguishing Chamber. Its adaptability ensures compatibility with various systems and applications, making it a future-ready investment that can evolve alongside your electrical needs.

Elevate your electrical systems to unparalleled levels of performance, efficiency, and safety with the TD-12/1250-31.5 Vacuum Arc Extinguishing Chamber. Discover the difference that cutting-edge technology and precision engineering can make in ensuring the seamless operation of your critical infrastructure.

Key features:

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


1218-21218-31218-4


MAIN TECHNICAL DATA

TYPE
TD-12/1250-31.5W
VOLTAGE RATINGS AT RATED CONTACT STROKE

Rated Frequency

HZ
50

Rated Voltage

kV12

Short-time(1min)Power-frequency Withstand Voltage

kV30/48*

Lighting Impulse Withstand Voltage(Peak)

kV85*
CURRENT RATINGS

Rated Current

A1250

Rated Short-circuit Breaking Current

kA31.5

Rated Short-time Withstand Current

kA31.5

Rated Peak Withstand Current

kA80

Rated Short-circuit Making Current

kA80

Rated Single Capacitor Bank Breaking Current

A630★

Rated Back-to-back Capacitor Bank Breaking Current

A400★

Rated Duration of Short-circuit

s4

Circuit Resistance at Min. Rated Contact Force

μΩ≤ 15
MECHANICAL DATA

Contact Close Force Due to Bellows and Atmosphere

N90 ± 40

Counter Force of Contact at Full Stroke

N180 ± 40

Mass OF Moving Parts

kg1.0
LIFE

Mechanical Endurance

Times10000

Contact Limit Erosion

mm3

Switching Operations of Rated Short-circuit Breaking Current

Times30

Shelf Life

Years20

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/s1.1 ± 0.2

Average Closing Speed(last 6mm)

m/s0.6 ± 0.2

Contact Bounce Duration at Closing Operation

ms≤ 2

Clearance Between Open Contacts

mm9 ± 1

Out of Simultaneity of Contact Closing and Opening

ms≤ 1

Rated Contact Pressure

N3000+3000

Added External Contact Force at Contact Touch Point

N2100+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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Founded in 2003, Kaisaier is a professional hi-tech enterprise, mainly engaging in the design, manufacture and sales vacuum interrupter and embedded poles.

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