ZW20 outdoor AC high-voltage vacuum circuit breaker
12kV 630A fully sealed common-tank
Specifications
| Model | ZW20 |
|---|---|
| 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 |
ZW20uses a fully sealed common-tank structure with manual, electric or remote operation.
| Rated voltage | 12kV |
| Rated current | 630A |
| Key features | outdoor AC high-voltage vacuum circuit breaker, fullsealed common-tank structure, manual, electric or remote operation |
Product Overview
ZW20 The outdoor AC high-voltage vacuum circuit breaker is one of the leading products in the Chuangwit circuit breaker and load switch range, ZW20outdoor AC high-voltage vacuum circuit breaker, Rated voltage12kV, current630A, fullsealed common-tank structure, manual, electric or remote operation.
Key Features
- proven reliable vacuum arc extinction technology
- indoor, outdoor and pole-mounted types available
- intelligent types support telecontrol and protection integration
- load switch-fusecomposite apparatus optional
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
The company provides from selection calculations, drawing confirmation to volume supply, on-site technical guidance end-to-end service, Products are controlled under CRCC certification and the ISO9001 quality management system, standard items are stocked, volume orders are delivered on contractual schedules. For technical support and commercial inquiries, please call0375-6051688.
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:
ZW20 outdoor AC high-voltage vacuum circuit breaker enable fast fault clearance on traction substation feeder lines.
Switching station:
ZW20 outdoor AC high-voltage vacuum circuit breaker create flexible operating arrangements for switching-station lines.
10kV distribution system:
ZW20 outdoor AC high-voltage vacuum circuit breaker are pole-mounted for 10kV line distribution; intelligent types support remote monitoring.
Industrial private lines:
ZW20 outdoor AC high-voltage vacuum circuit breaker are supplied as matched sets for industrial private lines.
