24KV vacuum interrupter for contactor
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- Supplier: Wuhan Feite Electric Co. Ltd.
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Product Overview
Description
Main Technical Data
ELECTRICAL RATINGS(3PHASE) SYMMETRICAL BASIS | |
1.Rated Voltage | 1.14KV |
2.Rated Current | 250/400/630A |
3.Rated Frequency | 50Hz |
4.Rated Short-time Power Frequency Withstand Voltage(1min) | 10KV |
5.Rated lightring Impulse Withstand Voltage | 15KV |
6.Rated making Current | 2.5/4.0/6.3KA |
7.Rated breaking current,max | 2.0/3.2/5.0kA |
8. Rated breaking current,min | 50/80/125A |
9. Rated breaking current,limit | 2.5/4.0/6.3KA |
10.Rated Short-time Withstand current(3Phase Symmetrical Basis) | 2.5/4.0/6.3KA |
11. Rated Duration of Short-circuit | 4s |
12. Mechanical Life | 50*104Operations |
13.Electricity life AC-3 | 25*104Operations |
14. Electricity life AC-4 | 10*104Operations |
15.Rated contact stroke | 3±0.5mm |
16.Contact closing force due to bellows and atmosphere | 70±30N |
17.Counterforce at rated contact stroke | 110±40N |
18. Circuit Resistance at Rated Contact Froce Atmosphere Force | ≤60Micro ohms |
19. Shelf Life | 20Years |
20. Contact Erosion Limit | 3mm |
21.Weight of moving parts | ≤0.3kg |
MECHANICAL REQUIREMENTS(REF. VCB) | |
1. Rated Contact Compressive Force | 110±10N |
2.Opening Speed(average) | 0.6±0.2m/Sec |
3.Closing Speed(average) | 0.3±0.1m/Sec |
4. Maximum Contact Bounse Duration at closing operation | ≤2ms |
5. Contact Bouncing Bank Amplitude of Opeing Operation | ≤2mm |
6.Three-pole simultaneity | ≤1ms |
Company Information
Wuhan Feite Electric Co.,Ltd is the very big manufactory in China,
specializing in Vacuum interrupter (VI) ranging from 1.14KV upto 40.5KV,it is more than 100 types vacuum interrupters ,we also provide embedded poles and indoor and outdoor vacuum circuit breaker
(VCB),vacuum load breaking switch and vacuum contactor
Our vacuum interrupters meets and exceeds the electrical endurance requirement of class E2 for autoreclosing duty per IEC62271-100 and
GB19842003.Our qualtity is guaranteed!our products are
tested by Xi'an High Voltage Apparatus Research Institute Co.,Ltd
(www.xihari.com)in China,and pass the KEMA test in New Zealand.
Our Services
Our after-sales service:
Special process (once seal-exhaust ) present the qualified rate of 99.56%,
Company rate of finished products reached 99.24%.And as the retesting before delivery, so we can make sure the 100% qualified vacuum interrupters be deliveried.
If quality problems,we guarantee change or refund the vacuum interrupter or free maintain in one year.
We are willing to hear your opinion and tell you the details about the product.
Welcome come to visit and inquiry!
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