May 20, 2024

Hv Contactor Power Transmission/Distribution Auto Parts Indoor AC Vacuum Circuit Breaker

Posted on

Model NO.: VS1-12
Poles Number: 4
Type: Circuit Breaker
Function: Conventional Circuit Breaker
Certification: VDE, ISO9001-2000, CE, UL, CB, CCC
Rated Voltage: 12 Kv
Altitude: up to 3,000m Above Sea Level
Environment: Indoor
Special Conditions: Depends on The Customer
Rated Current: 630 a
Rated Short Time Continual Time: 4 S
Test Equipment: IEC Standard
Typical Products: Circuit Breaker
Frequency: 50 Hz
Warranty: 10 Years
Trademark: Tianan Electric
Specification: IEC60076-1, IEC60076-2, IEC60076-5
Origin: Xiangshan Zhejiang P. R China
HS Code: 8535210000

VS1-12 Indoor AC Vacuum Circuit Breaker
NINGBO TIANAN (GROUP) CO., LTD.

General
VS1-12 (ZN63A) type indoor medium voltage vacuum circuit breaker is used as protection and control 
unit of three-phase AC indoor medium voltage switchgear and industrial and mining enterprise power 
device of 50Hz and rated voltage up to 7.2~24kV. This products comply with IEC60694, IEC62271-100.

Specifications

No. Description Unit Data
1 Rated voltage kV 12
2 Rated insulation levels Rated power frequency withstand voltage/1min
( phase to phase, phase to earth, open contacts) 		 
kV 		42
Rated lighting impulse withstand voltage
(phase to phase, phase to earth, open contacts) 		75
3 Rated frequency Hz 50
4 Rated current  
 
A 		630 630 1250 1600
1250 1250 1600 2000


2000 2500


2500 3150



4000
5 Rated short circuit breaking current kA 20 25 31.5 40
6 Rated short time withstand current(4s) kA 20 25 31.5 40
7 Rated short circuit making current kA 50 63 80 100
8 Rated peak value of withstand current kA 50 63 80 100
9 Rated operating sequence
O-0.3s-CO-180s-CO
O-180s-CO-180s-CO
10 Rated short circuit breaking current breaking times times 30/20(40kA)
11 Rated cable charge breaking current A 25
12 Rated single capacitor bank breaking current A 630/400(40kA)
13 Rated back to back capacitor bank breaking current
400
14 Mechanical life times 10000
16 Allowed abrade cumulative thickness of moving and static contactor mm 3
17 Clearance between open contacts mm 11±1
18 Contact stroke mm 3.5±0.5
19 Bounce duration of contact closing ms ≤2
20 Non-simultaneity of three phase for opening and closing ms ≤2
 
 
Hv Contactor Power Transmission/Distribution Auto Parts Indoor AC Vacuum Circuit Breaker
Hv Contactor Power Transmission/Distribution Auto Parts Indoor AC Vacuum Circuit Breaker
Hv Contactor Power Transmission/Distribution Auto Parts Indoor AC Vacuum Circuit Breaker

Laptop Bag

360° Protection - Ultra-thick, yet lightweight soft lining and cushioning inside with water resistant material outside offers your device 360° protection from everything from zipper scratch to knocks, bumps.
Compartment - Main side-mounted pocket with silk access to your laptop, and two sealed pockets to easily store and transport your accessories such as Kindle, charger, adapter, mouse, cables, phone, wallet, etc. You can always find what you want when you need it.

Convenient Carrying - Thick pad, fully-adjustable detachable shoulder strap and top PU leather handle provide maximum comfort and perfect fit for everybody.

The productive process :

Make the Products Mould –Cutting the fabric –Do the half products – Finish products – Cleaning –QC- Package – Shippment .

Laptop Bag,Tablet Case Cover,Leather Laptop Bag,Leather Tablet Case Cover

Ysure Leather case 24/7 Support : 86 13430343455 , https://www.ysurecase.com