VS1-12 Indoor Vacuum Circuit Breaker
VS1-12 Draw-out type/Fixed type
Quantity
Technical parameter
| Item | Unit | Data | |||
| Rated voltage | kV | 10 | |||
| Maximum working voltage | kV | 12 | |||
| Rated current | A | 630 | 630 | 1250 | |
| 1250 | 1250 1600 | 1600,2000 | |||
| Rated short circuit breaking current | kA | 20 | 25 | 31 . 5 | |
| Rated short circuit making current (peak) | kA | 50 | 63 | 80 | |
| Rated withstand current (peak) | kA | 50 | 63 | 80 | |
Rated short-duration withstand current (4s) | kA | 20 | 25 | 31 . 5 | |
| Rated insulation level | Rated short-duration power frequency withstand voltage (1 min) | KV | 42( fracture 48) | ||
| Rated lightning impulse withstand voltage (peak) | 75( fracture 85) | ||||
| Rated operating sequence | O-0. 3s-CO-180s-CO | ||||
| Mechanical life | Times | Spring Operation 10000 Permanent Magnetic 30000 | |||
Breaking times for rated short circuit current | Times | 50 | |||
Rated operating voltage for closing coils (DC/AC) | V | 110,220 | |||
Rated operating voltage for opening coils (DC/AC) | V | 110,220 | |||
Clearance between open contacts | mm | 11±1 | |||
Ultra contact (contact spring compressed length) | mm | 4±0.5 | |||
Three phase opening and closing bounce time | ms | ≤2 | |||
Contact closing bounce time | ms | ≤2 | |||
Average opening speed | m/s | 0.9 ~1.2 | |||
Average closing speed | m/s | 0.5 ~0.8 | |||
Opening time | Under maximum operating voltage | s | ≤ 0.05 | ||
Under minimum operating voltage | ≤ 0.08 | ||||
Closing time | s | ≤0.1 | |||
Main circuit resistance of each phase | μΩ | 630≤50 1250≤40 | |||
Permissible wearing accumulated depth for movable and fixed contact | mm | 3 | |||
Product Description
VS1-12 Indoor Vacuum Circuit Breaker
VS1-12 medium voltage vacuum circuit breaker is a kind of indoor medium voltage switch equipment with 50Hz/60Hz three phase AC 12kV rated voltage, which combined the technology of the ABB corporation in Switzerland and developed in China. Product complies with the standard GB1984 & IEC62271-100.
VS1-12 VCB usually mounted into switchgear panel KYN28 and XGN. It is applicable in occasions with frequent operation, has functions of high-speed recloser, Multiple Opening/Closing, reliable mechanical interlock. It has fixed type & withdrawable type.
It adopts the composite insulated material, there is no pollution and explosion danger, the insulation level is high.
Company Profile
SINOAMIGO POWER T&D include below:
VCB & Operation Mechanism: Zhejiang Juli Electric Co.,Ltd
Zhejiang Juli Electric Co.,Ltd. Focus on VCB Operating Mechanism, Vacuum Circuit Breaker, Recloser Controller for VCB, include R&D, manufacturing, marketing and after service, honored as a member of High-Technology corp in China, now employees more than 300 and technician team more than 35%. Started since 2000, with headquarter in Liushi Town, Wenzhou City,China, where were named as the China electricity capital centre; Company pay a lot capacity and time for R&D, cooperate with many famous University intelligence and famous brand enterprises.
Sino Amigo, your China friends; Wherever you go, SINOAMIGO
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