FN3-12 indoor high-voltage load switch
12kV 400A/630A
Specifications
| Model | FN3-12 |
|---|---|
| Standard | GB/T 3804 (HV AC load switches), GB/T 11022and traction power equipment technical conditions |
| Rated Voltage | 12kV |
| Rated Current | 400A/630A |
| Mechanical Life | 10000 operations |
| Operating Temperature | -40℃~+70℃ |
| Altitude | <4000m |
| Materials | vacuum interrupter, spring/permanent-magnet operating mechanism, hot-dip galvanized tank |
| Installation | pole-mounted outdoor/indoor switchgear/Traction substation:-mounted installation |
FN3-12The FN3-12 series indoor high-voltage load switches are installed in switchgear and other indoor distribution equipment; an RN3 fuse (e.g. type FN3-12R) can be fitted to break short-circuit currents for protection, with CS3 or CS2 manual operating mechanisms.
| Rated voltage | 12kV |
| Rated current | 400A or 630A |
| Peak withstand current | 25kA or 40kA |
| Key features | Indoor type; an RN3 fuse (FN3-12R) can be fitted to break short-circuit currents, with CS3 or CS2 manual operating mechanisms |
Product Overview
The FN3-12 indoor high-voltage load switch produced by Henan Chuangwit Railway Equipment Co., Ltd. is rated 12kV, 400A/630A, peak withstand current 25kA/40kA, with optional RN3 fuse and CS3/CS2 manual mechanism.
Key Features
- load switch-fusecomposite apparatus optional
- proven reliable vacuum arc extinction technology
- indoor, outdoor and pole-mounted types available
- intelligent types support telecontrol and protection integration
Compliance & Quality Control
Complies with GB/T 3804 (HV AC load switches), GB/T 11022 and traction power equipment technical conditions; vacuum arc extinction is maintenance-free with a mechanical life of 10000 operations; intelligent types with controllers support telecontrol and fault recording.Rated short-circuit breaking current and short-time withstand current satisfy system short-capacity verification; insulation level complies with GB/T 11022. The company holds CRCC railway product certification and ISO9001 quality management system certification; every piece (batch) is delivered only after passing factory inspection.
Operating Conditions & Typical Applications
For traction substations, switching stations and 10kV distribution systems under frequent operation and short-circuit breaking duty. Typical applications include traction substations, switching stations, 10kV distribution systems and industrial private lines.
Selection & Service
We provide selection verification and non-standard customization based on line conditions and operating parameters, Products follow CRCC railway product certification and ISO9001 quality management system requirements; key parameters are verified by factory inspection and type tests. For selection consulting and quotations, please call 0375-6051688.
Performance
Operating Conditions
for traction substations, switching stations and 10kV distribution systems under frequent operation and short-circuit breaking duty.
Mechanical Performance
vacuum arc extinction is maintenance-free with a mechanical life of 10000 operations; intelligent types with controllers support telecontrol and fault recording.
Electrical Performance
Rated short-circuit breaking current and short-time withstand current satisfy system short-capacity verification; insulation level complies with GB/T 11022.
Applications
Traction substation:
FN3-12 indoor high-voltage load switch enable fast fault clearance on traction substation feeder lines.
Switching station:
FN3-12 indoor high-voltage load switch create flexible operating arrangements for switching-station lines.
10kV distribution system:
FN3-12 indoor high-voltage load switch are pole-mounted for 10kV line distribution; intelligent types support remote monitoring.
Industrial private lines:
FN3-12 indoor high-voltage load switch are supplied as matched sets for industrial private lines.
