Product Overview
The DW17 series air circuit breaker is designed for AC 50Hz, 380V/660V distribution systems with rated current from 630A to 5000A. It distributes power and protects circuits and equipment against overload, undervoltage and short-circuit faults.
Product Features
• Rated current: 630A ~ 5000A
• High breaking capacity: up to 100kA
• Motor stored energy operation, manual/electric
• Plug-in / Fixed mounting
• 3P / 4P optional
• Multiple trip units available
• Long mechanical life, reliable operation
Technical Parameters
| Model | Rated Current | T=L R=15msRated Breaking Ability | Rated Making Ability | Rated Short TimeTolerance Current | Short TimeTolerance Current | All BreakingTime | Mechanical Life | Electrical Life |
| 380V~ / 660V~ / 220V~ / 440V~ | 380V~ / 660V~ | |||||||
| DW17-630 | 630 | 50/0.25 / — / 40 / 30 | 105 / — | 30 | 50 | 30 | 20000 / 10000 | 1000 |
| DW17-800 | 800 | 50/0.25 / — / 40 / 30 | 105 / — | 30 | 50 | 30 | 20000 / 10000 | 1000 |
| DW17-1000 | 1000 | 50/0.25 / — / 40 / 30 | 105 / — | 30 | 50 | 30 | 20000 / 10000 | 1000 |
| DW17-1250 | 1250 | 50/0.25 / — / 40 / 30 | 105 / — | 30 | 50 | 30 | 20000 / 10000 | 1000 |
| DW17-1600 | 1600 | 50/0.25 / — / 40 / 30 | 105 / — | 30 | 50 | 30 | 20000 / 10000 | 1000 |
| DW17-1900 | 1900 | 50/0.25 / — / 40 / 30 | 105 / — | 30 | 50 | 30 | 20000 / 10000 | 1000 |
| DW17-2000 | 2000 | 80/0.2 / — / 60 / — | 180 / — | 80 | 80 | 30 | 10000 | 500 |
| DW17-2500 | 2500 | 80/0.2 / — / 60 / — | 180 / — | 80 | 80 | 30 | 10000 | 500 |
| DW17-2900 | 2900 | 80/0.2 / — / 60 / — | 180 / — | 80 | 80 | 30 | 10000 | 500 |
| DW17-3200 | 3200 | 80/0.2 / — / 60 / — | 180 / — | 80 | 80 | 30 | 10000 | 500 |
| DW17-3205 | 3900 | 80/0.2 / — / 60 / — | 180 / — | 80 | 80 | 30 | 10000 | 500 |
| DW17-4000 | 4000 | 100/0.2 / 80/0.2 / 80 / — | 220 / 180 | 100 | 100 | 40 | 3000 | 150 |
| DW17-5005 | 5000 | 100/0.2 / 80/0.2 / 80 / — | 220 / 180 | 100 | 100 | 40 | 3000 | 150 |
Application Scope
・Power stations & substations
・Industrial factories & mines
・High-rise building distribution systems
・LV switchgear assemblies
Operating Conditions
• Frequency: 50Hz
• Rated voltage: 380V / 660V
• Ambient temp: -5°C ~ +40°C
• Altitude: ≤ 2000m
• Humidity: ≤ 95% (non-condensing)
• No explosive or corrosive gases
Installation & Maintenance
Vertical installation, tilt ≤5°. Regularly inspect contacts, operating mechanism and trip unit. Keep clean and dry. Maintenance every 6–12 months recommended.
Precautions
・Do not operate beyond rated parameters
・Verify wiring before energizing
・Confirm stored energy status before operation
・Maintenance by qualified personnel only
Model Description
KP-DW17
After-sales Service
• 100% inspection before shipment • 12-month warranty • Technical support & selection consultation
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