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 24kV Strong Copper No Explosion Mv Switchgear Component  24kV Strong Copper No Explosion Mv Switchgear Component
 24kV Strong Copper No Explosion Mv Switchgear Component  24kV Strong Copper No Explosion Mv Switchgear Component
 24kV Strong Copper No Explosion Mv Switchgear Component  24kV Strong Copper No Explosion Mv Switchgear Component

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24kV Strong Copper No Explosion Mv Switchgear Component

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A compact design and environmentally friendly vacuum interrupter for GIS
  • TD-24/1250-20

  • Kaisaier

  • 1190

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Product Description



A fundamental part for medium-voltage switch circuit breakers. Intended to guarantee proficient curve smothering and interference of electrical flows, this item successfully protects gear inside the circuit from potential harm brought about by overvoltage and overcurrent. Made with most extreme accuracy and unwavering quality, the 24kV Vacuum Curve Extinguishing Chamber is the ideal decision for experts looking for first class execution and assurance for their electrical frameworks.


Key features:

Size: Φ81 mm*236 mm

Rated Frequency: 50Hz

Rated Voltage: 24kV

Rated Current: 1250A

Rated Short-circuit Breaking Current: 20kA

Lighting Impulse Withstand Voltage (Peak): 125kV


1190-11190-21190-61190-51190-4



MAIN TECHNICAL DATA

TYPE
TD24/1250-20
VOLTAGE RATINGS AT RATED CONTACT STROKE

Rated Frequency

HZ
50

Rated Voltage

kV24

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

kV42/65*

Lighting Impulse Withstand Voltage(Peak)

kV125*
CURRENT RATINGS

Rated Current

A1250

Rated Short-circuit Breaking Current

kA20

Rated Short-time Withstand Current

kA20

Rated Peak Withstand Current

kA50

Rated Short-circuit Making Current

kA50

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≤ 17
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

kg0.8
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/s1.4 ± 0.2

Average Closing Speed(last 6mm)

m/s0.8 ± 0.2

Contact Bounce Duration at Closing Operation

ms≤ 2

Clearance Between Open Contacts

mm12 ± 1

Out of Simultaneity of Contact Closing and Opening

ms≤ 1

Rated Contact Pressure

N2000+3000

Added External Contact Force at Contact Touch Point

N1400+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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