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11kV Three Pole Circuit Breaker 630A - 1250A Switchgear Vacuum Circuit Breaker
11kV Three Pole Circuit Breaker 630A - 1250A Switchgear Vacuum Circuit Breaker
Specifications
Brand Name :
MacweyTek
Model Number :
VMK-12/24KV
Certification :
Type Test Report
MOQ :
1pc
Price :
$800-$3999
Payment Terms :
T/T
Supply Ability :
3000pcs
Delivery Time :
15 days
Packaging Details :
wooden cases
Name :
Three Pole Circuit Breaker
Rated Voltage :
12kV/24kV
Rated Current :
630A, 1250A, 1600A, 2000A, 2500A, 3150A
Short Circuit Breaking Current :
20kA, 25kA, 31.5kA, 40kA
Peak Short-Circuit Closing Current :
50kA (20kA level) to 100kA (40kA level)
Power Frequency Withstand Voltage :
42kV/1min
Description

3 Pole High Voltage Side Mounted Vacuum Circuit Breakers 630a 1250a Vacuum Circuit Breaker Vcb 11kv For RMU Switchgear


Product nature: Three phase AC 50Hz indoor high-voltage switchgear, designed specifically for rated voltage 12kV (extended to 24kV and 35kV) power systems. Core function: Control and protection of transmission and distribution lines, especially suitable for frequent operations and short-circuit current breaking scenarios. Technical standards: comply with international and domestic standards such as GB1984, DL/T403, IEC60056, etc.


1, Basic parameters

Rated value Voltage level: 12kV/24KV (three-phase AC 50Hz)

Rated current: 630A, 1250A, 1600A, 2000A, 2500A, 3150A

Short circuit breaking current: 20kA, 25kA, 31.5kA, 40kA

Peak short-circuit closing current: 50kA (20kA level) to 100kA (40kA level)

Insulation performance Power frequency withstand voltage: 42kV/1min

Lightning impulse withstand voltage: 75kV (peak)


2, Mechanical characteristics

Key dimensions

Contact opening distance: 11 ± 1mm

Contact stroke: 3.5 ± 0.5mm

Average opening speed: 1.1 ± 0.2m/s

Closing bounce time: ≤ 2ms (≤ 3ms@40kA )


Operational characteristics

Opening time: ≤ 50ms

Closing time: ≤ 100ms

Mechanical lifespan: 20000-30000 cycles


3, Structural characteristics

Integrated design

The operating mechanism is integrated with the circuit breaker body and supports fixed or handcart installation.

The arc extinguishing chamber adopts vacuum arc extinguishing technology and is encapsulated in an

epoxy resin insulation cylinder (APG process).


Institutional configuration

Energy storage motor: permanent magnet DC motor (AC/DC 110V/220V universal)

Energy storage time: ≤ 15 seconds


4, Usage conditions Environmental requirements

Temperature range: -15 ℃~+40 ℃ (storage and transportation can reach -30 ℃)

Altitude: ≤ 1000m (up to 4500m for plateau type)

Relative humidity: daily average ≤ 95%, monthly average ≤ 90%



11kV Three Pole Circuit Breaker 630A - 1250A Switchgear Vacuum Circuit Breaker


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11kV Three Pole Circuit Breaker 630A - 1250A Switchgear Vacuum Circuit Breaker

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Product Detail
Brand Name :
MacweyTek
Model Number :
VMK-12/24KV
Certification :
Type Test Report
MOQ :
1pc
Price :
$800-$3999
Payment Terms :
T/T
Contact Supplier
11kV Three Pole Circuit Breaker 630A - 1250A Switchgear Vacuum Circuit Breaker

Ningbo Macwey Industrial Technology Co.,Ltd

Verified Supplier
1 Years
ningbo
Since 2013
Business Type :
Manufacturer, Distributor/Wholesaler, Exporter
Main Products :
MV Switchgear, Switchgear Accessories, MV Circuit Breaker
Total Annual :
$31000000-$35000000
Employee Number :
>218
Certification Level :
Verified Supplier
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