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12KV Indoor Withdrawable Vacuum Circuit Breaker 1250A VCB High Voltage AC For Switchgear
12KV Indoor Withdrawable Vacuum Circuit Breaker 1250A VCB High Voltage AC For Switchgear
12KV Indoor Withdrawable Vacuum Circuit Breaker 1250A VCB High Voltage AC For Switchgear
12KV Indoor Withdrawable Vacuum Circuit Breaker 1250A VCB High Voltage AC For Switchgear
12KV Indoor Withdrawable Vacuum Circuit Breaker 1250A VCB High Voltage AC For Switchgear
12KV Indoor Withdrawable Vacuum Circuit Breaker 1250A VCB High Voltage AC For Switchgear
12KV Indoor Withdrawable Vacuum Circuit Breaker 1250A VCB High Voltage AC For Switchgear
12KV Indoor Withdrawable Vacuum Circuit Breaker 1250A VCB High Voltage AC For Switchgear
Specifications
Brand Name :
Metalwork
Model Number :
VS1-12KV
Certification :
CE, ISO, CCC
Place of Origin :
China
MOQ :
1 set
Price :
Negotiable
Payment Terms :
L/C, T/T
Supply Ability :
100 sets per month
Delivery Time :
20 days
Packaging Details :
Plywooden package
Model :
VS1-12KV/1250-31.5
Breaking Capacity :
31.5KA
Rated Voltage :
12KV
Rated Current :
1250A
Mechanical Life :
10000 times
Motor Voltage :
DC/AC 110V 220V
Mechanism :
Spring Energy Charging
Warranty :
1 year
Description

12KV Automatic Smart Types VCB Vacuum Circuit Breakers

Application:

For industrial and mining enterprises, power plants, substations and other transmission and distribution systems for the control and protection of electrical facilities, and suitable for frequent operation places.

Description of VS1-12KV indoor highvoltage vacuum circuit breaker:

VS1-12KV Model indoor AC high voltage vacuum circuit breaker is a type of holistic and completely sealed high voltage switchgear, it has compact dimension and small volume. The VCB applies to power system of rated voltage 7.2~12KV, three-phase and AC 50/60Hz. It is applicable in occasions with frequent operations, acting to protect and control line and electric apparatus. The product conforms to GB1984-2003, IEC56, , JB3855-1996 and DL/T403-1999 and passes type test.

Technology & Details:

12KV Indoor Withdrawable Vacuum Circuit Breaker 1250A VCB High Voltage AC For Switchgear

12KV Indoor Withdrawable Vacuum Circuit Breaker 1250A VCB High Voltage AC For Switchgear

12KV Indoor Withdrawable Vacuum Circuit Breaker 1250A VCB High Voltage AC For Switchgear

Technical Parameters:

Items Unit Date
Rated voltage

KV

 12
Rated impulse withstand voltage 75
Rated short-time power frequency withstand voltage (1min) 42
Rated frequency Hz 50
Rated short-circuit breaking current KA 20 25 31.5 40
Rated current A

630

1250

630

1250

1250 1600

2000 2500

 1600 2000 2500 3150 4000
Rated short-time withstand current KA 20 25 31.5 40
Rated peak tolerable current 50 63 80 100
Rated short-circuit making current (peak value) 50 63 80 100
Secondary circuit power frequency withstand voltage (1min) V 2000
Rated operation sequence O－0.3S－CO 180S－CO
Rated duration of short circuit current S 4

Rated single/back-to-back capacitance bank breaking current

Set breaking current

 A 630/400 (40KA is 800/400)
Rated capacitor bank Inrush making current KA 12.5 (Frequency≤1000Hz)
Opening time (rated voltage) ms 20～50
Closing time (rated voltage) ms 35～70
Mechanical life times 10000
Rated short-circuit breaking current breaking times times 50 (40KA is 30)
Allowable wear accumulate thickness of moving and static contacts mm 3
Rated closing operating voltage v AC110/220 DC110/220
Rated opening operating voltage v AC110/220 DC110/220
Rated voltage of energy storage motor v AC110/220 DC110/220
Rated power of energy storage motor w 70
Energy storage time s ≤15S
Contact opening distance mm 11±1
Contact stroke mm 3.5±1
Contact bounce time ms ≤2 (40KA≤3)

Three - phase opening and closing

heterogeneity

 ms ≤2
Average opening speed (front 8mm) m/s 0.9～1.3
Average closing speed m/s 0.5～0.8 (40KA is 0.5～0.9)
Opening contact rebound amplitude ms ≤3
Main circuit resistance Ω

≤50(630A) ≤45(1250A)

≤35(1600～2000A) ≤25(above 2500A)
Closing contact pressure N 2400±200 (25KA)
3100±248 (31.5KA) 4250±250 (40KA)

Product tags

12kv vacuum circuit breaker

,

33kv vacuum circuit breaker

,

low voltage air circuit breaker
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12KV Indoor Withdrawable Vacuum Circuit Breaker 1250A VCB High Voltage AC For Switchgear

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Product Detail
Brand Name :
Metalwork
Model Number :
VS1-12KV
Certification :
CE, ISO, CCC
Place of Origin :
China
MOQ :
1 set
Price :
Negotiable
Contact Supplier
12KV Indoor Withdrawable Vacuum Circuit Breaker 1250A VCB High Voltage AC For Switchgear
12KV Indoor Withdrawable Vacuum Circuit Breaker 1250A VCB High Voltage AC For Switchgear
12KV Indoor Withdrawable Vacuum Circuit Breaker 1250A VCB High Voltage AC For Switchgear
12KV Indoor Withdrawable Vacuum Circuit Breaker 1250A VCB High Voltage AC For Switchgear

METALWORK MACHINERY (WUXI) CO.LTD

Verified Supplier
8 Years
jiangsu, wuxi
Since 2006
Business Type :
Manufacturer, Exporter
Main Products :
CNC Plasma Cutting Machine, CNC Laser Cutting Machine, CNC Pipe Cutting Machine
Total Annual :
10,000,000-20,000,000
Employee Number :
180~200
Certification Level :
Verified Supplier
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