We provide many kinds of phenolic diaphragm to meet the different needs of different customersthey are widely used in Hi-Fi speakers,professional audio,horn speakers,car speakers and other high-end products.
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We promise to offer you highest quality and best service!
Phenolic Diaphragms,Phenolic Replacement Diaphragm,Replacement Phenolic Diaphragm,Diaphragm Phenolic Voice Coil,Voice coil Diaphragms Taixing Minsheng Electronic Co.,Ltd. , https://www.ms-speakers.com
Main Technical Data
Main Technical Data
Rated VoltageÂ
24kV
Rated CurrentÂ
630/1250A
Rated Frequency
50Hz
Rated Short-time power frequency withstand voltage(1min)
42kV
Rated Lighting impulse withstand voltage
75kv
Rated short-circuit breaking currentÂ
25kA
Rated short-circuit making current(peak)
63kA
Breaking operations of rated short circuit breaking current
30Â timies
Rated sigle capacitor bank breaking currentÂ
400A
Rated short-time withstand current
25kA
Rated peak withstand current
50/63kA
Rated duration of short-circuit
4s
Mechanica life
20000times
Contact closing force due to bellows and atmosphere
80±40N
Counterforce at rated contact stroke
120±50N
Circuit resistance at rated contact forceÂ
≤25μΩ
Shelf lifeÂ
20Â years
Contact erosion limit
3mm
Weight of moving parts
≤1.3kg
Mechanical Data Required for matched vacuum switchgear
Rated contact stroke
10±1mm
Average opening speedÂ
1.0±0.25m/s
Average closing speedÂ
0.65±0.15m/s
Added contact forceÂ
2000±100N
Contact bouncing duration at closing operation
≤2ms
Contact bouncing bank amplitude of opening operation
≤2mm
Three-pole simultaneity
≤1ms
Dimensional Drawing
Model NO.: 208CAR
Poles Number: 3
Type: Vacuum
Function: Vacuum
Certification: ISO9001-2000, CQC
Warranty: 12 Month
Rated Voltatge: 24kv
Rated Current: 630A
Rated Short-Circuit Breaking Current: 20ka
Mechanical Life: 20000 Times
Shelf Life: 20 Years
Trademark: ZGVE
Transport Package: Standard Export Packing.
Specification: Vacuum
Origin: Wenzhou
HS Code: 8538900000
Indoor 24KV Vacuum Interrupter For Vcb Vacuum Interrupter Contactor By ZGVE