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12KV / 24KV-3150A-31.5KA Vacuum Circuit Breaker VCB VD4 12kv High Voltage 1600A 3150A

12KV / 24KV-3150A-31.5KA Vacuum Circuit Breaker VCB VD4 12kv High Voltage 1600A 3150A

vacuum circuit breaker VCB

12kv vacuum circuit breaker VCB

1600A vacuum breaker VCB

Place of Origin:

Zhejiang, China

Brand Name:

Eberry

Certification:

CE,CQC,ISO9001

Model Number:

ZN63(VS1)-12KV-150

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Product Details
Product Name:
High Voltage Vacuum Circuit Breaker
Type:
Indoor VCB
Poles Number:
3
Rated Voltage:
12KV
Rated Frequency:
50/60 Hz
Rated Current:
630A / 1250A
Breaking Capacity:
20KA~31.5KA
Mechanical Life:
20000Times
Standard:
IEC60947-2
Port:
Ningbo Or Shanghai
Payment & Shipping Terms
Minimum Order Quantity
1 set
Price
$800.00 - $2,200.00/pieces
Packaging Details
Plywood BOX
Delivery Time
5-10 days
Payment Terms
L/C, D/A, D/P, T/T, Western Union, Western Union, MoneyGram
Supply Ability
10000 Unit/Units per Month
Product Description
12KV/24KV-3150A-31.5KA VD4 12kv medium & high voltage products 1600A 3150A vacuum circuit breaker VCB
Product parameters
NO Item Units Technical parameters
1 Rated voltage KV 12
2 Rated short-duration power frequency withstand voltage   42/48(Interphase, ground/fracture)
3 Rated lightning impulse withstand voltage   42/48(Interphase, 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 voltage   20/25 31.5 40
8 Rated short circuit duration S 4
9 Rated peak withstand current KA 50/63 80 100
10 Rated short circuit closing current   50/63 80 100
11 Secondary circuit power frequency withstand voltage (1min)   2000
12 Rated single / back to back capacitor group breaking current A 630/400(40kA:800/400)
13 Rated capacitor bank closing current   12.5 (frequency is not greater than)
14 Mechanical life KA 20000
15 Rated current breaking times (electrical life)   20000
16 Rated short circuit current breaking times times 50(40KA≤30)
17 Dynamic and static contacts allow wear cumulative thickness mm 3
18 Energy storage time s ≤10
19 Contact opening distance mm 11±1
20 Overtravel   3.5±0.5
21 Contact closing bounce time ms ≤2(40KA≤3)
22 Three-phase split/closed period   ≤2
23 Average opening speed (contacts are separated by -8mm) m/s 1.2±0.2
24 Main conductive loop resistance   0.6±0.2
25 Main conductive loop resistance μΩ

≤50(630A)≤45(1250A)

≤40 (1600,2000A)≤35 (2500A or more)

26 Rated operation sequence   0-0.3s-Co-180s-Co

 

VCB-12 series solid-sealed indoor vacuum circuit breaker is an indoor high-voltage switchgear for three-phase power system with rated voltage of 12 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-12 series solid-sealed indoor vacuum circuit breakers are fixedly mounted, mainly u

sed for fixed switchgear. The circuit breaker can be used alone or in ring power supply, box transformer or various non- power supply system.

 

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