KYN28A-12 (GZS1) out of metal sheathed line switching equipment 3 ~ 10kV three-phase AC 50Hz, for acceptance and distribution of electric power sub-single-bus control unit of the transmission and distribution. Mainly used in power plants, power substations, industrial enterprises and electrical distribution systems Secondary substation of electricity, and large-scale high-voltage power transmission, such as motor starting. Control, protection, monitoring. □ fully compatible KYN28A-12, GZS and many of the technical performance of switching equipment and programs. □ more options and smaller dimensions. □ a full range of mechanical interlocking to protect operating characteristic. □ the configuration of a wide range of vacuum circuit breakers: Westing house corporate W-VAC vacuum circuit breaker. ABB Vacuum Circuit Breaker Company VD 4. SIEMENS company 3AH5 vacuum circuit breaker. MITSUBISHI Corporation Vacuum Circuit Breaker 10-VPR. GE Company ZN 28GE, VB2 vacuum circuit breaker. Merlin Gerin Company EV 12 vacuum circuit breakers. Senyuan Electric VS 1 vacuum circuit breaker. A variety of domestic VS 1, ZN 28, ZN63, ZN ... ... vacuum circuit breakers. □ the use of imported and domestic micro-computer monitoring and remote control, or electromechanical relay protection and monitoring instrumentation. □ luxury import type, universal type, choose economy. ■ Main Technical Parameters Switchgear
Item |
Units |
data |
Rated voltage |
kV
|
3.6 7.2 12 |
Rated insulation level |
1min power frequency voltage |
kV |
24 32 42 |
Lightning impulse voltage (full wave) |
kV |
40 60 75 |
Rated Frequency |
Hz |
50 |
Rated Current |
A |
5~3150 |
Main busbar rated current |
A |
1600,2000,2500,3150 |
Branch busbar rated current |
A |
630,1250,1600,2000,2500,3150 |
4 seconds heat-stable current (RMS) |
kA |
16,20,25,31.5,40,50 |
Dynamic Stability rated current (peak) * |
kA |
40,50,63,80,100,125 |
Protection level |
|
Shell IP4X, circuit breaker door open for IP2X |
*: Short-circuit current transformer capacity should be considered in isolation
■ Switchgear Dimensions(mm)
Circuit Breaker Model |
W-VAC |
VPR |
3AH5 |
VD4、VS1、ZN28、ZN63 |
H |
2300 |
2300 |
2300 |
2300 |
W |
≤1250A |
700 |
840 |
800 |
800 |
>1600~3150A |
800 |
1000 |
1000 |
1000 |
D |
1660 |
1660 |
1660 |
1500(注2) |
Notes: 1, in addition to changes in the width of circuit breaker cabinet, the other counters are 800 wide. 2, the depth of the cable into the round for 1660. |