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Eberry 24KV Electrical 3 Pole High Voltage Vacuum Circuit Breaker VCB Manufacturers Price 630A 1250A
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Meo wig Trading Co., Ltd
China - Hangzhou
Manufacturer
Trade Capacity
Export Percentage
Nearest Port
Hangzhou,Shanghai
Accepted Delivery Terms
Employees
51-100 people
Accepted Payment Currency
USD,CNY
Average Lead Time
45 Day(s)
Certifications
BRC
Product Specifications
--Product Description
Description:
VCB-24 series solid-sealed indoor vacuum circuit breaker is an indoor high-voltage switchgear for three-phase power system with rated voltage of 24 kV and frequency of 50 Hz. It is used as protection and control appliance due to vacuum circuit breaker. The special advantages are especially suitable for frequent operations requiring rated current or multiple short-circuit currents.
VCB-24 series solid-sealed indoor vacuum circuit breakers are fixedly mounted, mainly used for fixed switchgear. The circuit breaker can be used alone or in ring power supply, box transformer or various non- power supply system.
NO | Item | Unit | Technical Parameters | ||||
1 | Rated Voltage | KV | 24 | ||||
2 | Rated short-time frequency withstand voltage(1 min) | 65/79(alternate,ground/fracture) | |||||
3 | Rated lightning impact withstand voltage(peak) | 125/145(alternate,ground/fracture) | |||||
4 | Rated frequency | Hz | 50 | ||||
5 | Rated current | A | 630 1250 | 630 1250 1600 2000 2500 3150 | 630 1250 1600 2000 2500 3150 | ||
6 | Rated short circuit breaking current | KA | 20/25 | 31.5 | 40 | ||
7 | Rated short-time withstand current | 20/25 | 31.5 | 40 | |||
8 | Rated short circuit duration | S | 4 | ||||
9 | Rated peak tolerance current | KA | 50/63 | 80 | 100 | ||
10 | Rated short circuit closing current | 50/63 | 80 | 100 | |||
11 | Frequency withstand voltage of secondary circuit(1 min) | 2000 | |||||
12 | Rated single/back-to-back capacitance group breaking current | A | 630/400(40KA:800/400) | ||||
13 | The rated capacitors are closed | 12.5(frequency not greater than 1000HZ) | |||||
14 | Mechanical life | times | 20000 | ||||
15 | Rated current breaking times(electrical life) | times | 20000 | ||||
16 | Rated short circuit current breaking times | KA | 50(40KA ≤ 30) | ||||
17 | The static and static contacts allow for the cumulative thickness of the wear | mm | 3 | ||||
18 | Energy storage time | s | ≤10 | ||||
19 | Contact from | mm | 16±1 | ||||
20 | Overstroke | mm | 3.5±0.5 | ||||
21 | Contact closing time | ms | ≤ 2(40KA≤ 30) | ||||
22 | Three phase points/closing time | ms | ≤ 2 | ||||
23 | Average gate speed(contact separation-8mm) | m/s | 1.5±0.2 | ||||
24 | Average closing speed(8mm-contact closure) | m/s | 0.8±0.2 | ||||
25 | Lead the electrical circuit resistance | μΩ | ≤50(630A)≤45(1250A)≤40(1600,2000A)≤35(2500A and above) | ||||
26 | Rated operation sequence | 0-0.3s-Co-180s-Co | |||||
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