Air Circuit Breakers
Air circuit breakers are designed for reliable protection and control in electrical distribution systems. These circuit breakers offer robust performance and are suitable for a wide range of applications, providing effective overcurrent and short-circuit protection.





Technical Specifications
Overview
Professional Air Circuit Breakers
The CNW08 to CNW63 series of air circuit breakers are engineered for reliable protection and control in critical electrical distribution systems. These units offer robust performance with adjustable settings, making them suitable for a wide range of industrial and commercial applications. Built to adhere to international standards, they provide essential overcurrent and short-circuit protection with a modular design that facilitates easier installation and maintenance.
General Specifications
- Number of Poles
- 3/4
- Rated Insulation Voltage (Ui)
- 1000V (1250V for H10, HA10 models)
- Impulse Withstand Voltage (Uimp)
- 12 kV
- Rated Operational Voltage (Ue)
- 690V (1150V for H10, HA10 models)
- Standards Compliance
- IEC 60947-2IEC 60664-1
Performance Metrics
Rated Current Range
- 800
- 1,000
- 1,250
- 1,600
- 2,000
- 2,500
- 3,200
- 4,000
- 5,000
- 6,300
Icu/Ics at 440V
| Type | Performance |
|---|---|
| N1 | 42 kA |
| H1 | 65 kA |
| H2 | 100 kA |
| H3/L1 | 120 kA |
Configuration
Mounting Options
- Neutral Position
- Left or Right
- Switch-Disconnector Version
- Yes



