12kv 630A 1250A High Medium Voltage Vacuum Circuit Breaker Vcb for Kyn27 Air Insulated Switchgear

Product Details
Customization: Available
Breaking Capacity: Medium Voltage Circuit Breaker
Operation: Energy-storage Type
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  • 12kv 630A 1250A High Medium Voltage Vacuum Circuit Breaker Vcb for Kyn27 Air Insulated Switchgear
  • 12kv 630A 1250A High Medium Voltage Vacuum Circuit Breaker Vcb for Kyn27 Air Insulated Switchgear
  • 12kv 630A 1250A High Medium Voltage Vacuum Circuit Breaker Vcb for Kyn27 Air Insulated Switchgear
  • 12kv 630A 1250A High Medium Voltage Vacuum Circuit Breaker Vcb for Kyn27 Air Insulated Switchgear
  • 12kv 630A 1250A High Medium Voltage Vacuum Circuit Breaker Vcb for Kyn27 Air Insulated Switchgear
  • 12kv 630A 1250A High Medium Voltage Vacuum Circuit Breaker Vcb for Kyn27 Air Insulated Switchgear
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  • Overview
  • Standards & Specifications
Overview

Basic Info.

Model NO.
VS1-12
Speed
Normal Type Circuit Breaker
Arc-extinguishing Medium
Vacuum
Installation
Insert
Structure
Vacuum
Poles Number
2
Type
Circuit Breaker
Rated Voltage
12kv
Rated Frequency
50Hz
Rated Current
630/1250/3150/4000A
Dimension
640*504*596mm
Electrical Life
E2
Transport Package
Other
Trademark
Customized
Origin
China

Product Description


2Kv 630A 1250A High Medium Voltage Vacuum Circuit Breaker VCB for KYN27 Air Insulated Switchgear 
 
Serial number Item Unit Data
1 Rated voltage kV 12
2 Rated frequency Hz 50
3
Rated insula-
tion levels
Rated power frequency withstand voltage (1min) kV
Between phases and to earth: 42
Across isolating distances: 48
Rated lighting impluse withstand voltage
Between phases and to earth: 75(95)
Across isolating distance: 85(110)
4
Rated secondary withstand voltage
V
2000
5
Rated current
A 630 1250 3150 4000
6
Rated short circuit breaking current
kA 25 31.5 40 40
7
Rated short-time withstand current
kA
25
31.5 40 40
8
Rated short-circuit closing circuit
kA 63 80 100 100
9
Rated peak withstand current
kA/s 63 80 100 100
10
Rated duration of short circuit
s 4
11
Mechanical life
Time 20000 10000
12 Electrical life   E2
13 Rated breaking current of single/back-to-back capacitor bank A 630/400 800/400
14
Rated operating voltage
V
DC110/220,AC110/220,DC48V
15
Phase-to-phase center distance
mm
150±2 / 210±2
275±2
16
Contact erosion limit
mm 3
17
Opening time
ms
30±10
18
Closing time
ms
35~60
19
Contact closing bounce time
ms
≤ 2
20
Synchronicity of opening and closing
ms
≤ 2
21
Motor energy charging time
s
≤ 10s
22
Rated operation sequence
 
O -θs- CO O -180s- CO
23
Weight
kg 140 250
24
Dimension
mm
531×637×648
652×637×648
636×852×735
Standards & Specifications
 
• IEC 62271-100: 2021 High-voltage switchgear and controlgear - Part 100: Alternating-current circuit breakers.
 
12kv 630A 1250A High Medium Voltage Vacuum Circuit Breaker Vcb for Kyn27 Air Insulated Switchgear
 
12kv 630A 1250A High Medium Voltage Vacuum Circuit Breaker Vcb for Kyn27 Air Insulated Switchgear
 
12kv 630A 1250A High Medium Voltage Vacuum Circuit Breaker Vcb for Kyn27 Air Insulated Switchgear
 
12kv 630A 1250A High Medium Voltage Vacuum Circuit Breaker Vcb for Kyn27 Air Insulated Switchgear
 
 

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