ZW20A-12 intelligent outdoor vacuum circuit breaker
12kV 630A/1250A
Specifications
| Model | ZW20A-12 |
|---|---|
| Standard | GB/T 1984 (HV AC circuit breakers), GB/T 11022and traction power equipment technical conditions |
| Rated Voltage | 12kV |
| Rated Current | 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 |
ZW20A-12intelligent outdoor vacuum circuit breaker, can for sectionalizing or tie switch, for 12kVdistribution system intelligent upgrading.
| Rated voltage | 12kV |
| Rated current | 630A, 1250A |
| Short-circuit breaking current | 20kA, 25kA |
| Key features | intelligent outdoor vacuum circuit breaker, can for sectionalizing or tie switch |
Product Overview
ZW20A-12 The intelligent outdoor vacuum circuit breaker is designed and manufactured by Henan Chuangwit Railway Equipment Co., Ltd. to railway industry standards, ZW20A-12intelligent outdoor vacuum circuit breaker, Rated voltage12kV, current630A/1250A, Short-circuit breaking current20kA/25kA, can for sectionalizing or tie switch.
Key Features
- indoor, outdoor and pole-mounted types available
- intelligent types support telecontrol and protection integration
- load switch-fusecomposite apparatus optional
- proven reliable vacuum arc extinction technology
Compliance & Quality Control
Complies with GB/T 1984 (HV AC circuit breakers), 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
Backed by 15 years of R&D and manufacturing experience in railway electrification equipment, the company provides full life-cycle support covering selection, customization, supply and after-sales service, serving more than 20 railway administrations and multiple urban rail lines nationwide. For technical documentation and purchasing, 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:
ZW20A-12 intelligent outdoor vacuum circuit breaker enable fast fault clearance on traction substation feeder lines.
Switching station:
ZW20A-12 intelligent outdoor vacuum circuit breaker create flexible operating arrangements for switching-station lines.
10kV distribution system:
ZW20A-12 intelligent outdoor vacuum circuit breaker are pole-mounted for 10kV line distribution; intelligent types support remote monitoring.
Industrial private lines:
ZW20A-12 intelligent outdoor vacuum circuit breaker are supplied as matched sets for industrial private lines.
