Why Choose the ABB Emax 3 E6.3X 4000 Ekip Aware LI 4p FHR?
The ABB 1SDA125219R1 is an Emax 3 E6.3X 4000 air circuit breaker designed for high-current low-voltage power distribution protection in demanding industrial and commercial installations. This four-pole fixed circuit breaker combines a 4000 A rated current with an Ekip Aware LI electronic release for dependable long-time overload and instantaneous short-circuit protection.
As part of the ABB SACE Emax 3 air circuit breaker series, the 1SDA125219R1 provides robust switching and protection for modern electrical distribution systems. Its fixed construction and rear-mounted horizontal terminals support integration into suitably engineered switchboards and distribution assemblies.
With a 4000 A rated current, four-pole configuration and E6.3X high-breaking-capacity class, the 1SDA125219R1 is suited to high-current applications where reliable overload protection and strong short-circuit interruption performance are required.
Key Advantages
- High-capacity air circuit breaker for low-voltage power distribution.
- 4000 A rated current for high-current electrical distribution systems.
- Four-pole fixed construction for comprehensive circuit control.
- Ekip Aware LI electronic release with long-time and instantaneous protection functions.
- 150 kA rated ultimate short-circuit breaking capacity at 440 V AC.
- 120 kA short-time withstand current for 1 s.
- Rear-mounted horizontal terminals for practical switchboard integration.
- Four auxiliary contacts for control and monitoring applications.
Key Features
- ABB SACE Emax 3 E6.3X air circuit breaker.
- 4000 A rated current.
- Four-pole fixed configuration.
- Ekip Aware LI electronic release.
- Long-time overload and instantaneous short-circuit protection.
- 150 kA Icu at 440 V AC.
- 120 kA Icw for 1 s.
- Rear-mounted horizontal terminal arrangement.
- Open/closed position indication and auxiliary contacts for control and monitoring.
Reliable High-Current Power Distribution Protection
Air circuit breakers such as the ABB Emax 3 E6.3X provide protection for low-voltage electrical distribution systems by detecting and interrupting abnormal current conditions. The Ekip Aware LI electronic release provides long-time overload and instantaneous short-circuit protection to help protect conductors, switchgear and connected equipment.
The 1SDA125219R1 combines a 4000 A current rating with four-pole fixed construction and rear horizontal terminals, making it suitable for integration into appropriately engineered distribution boards and switchboards. Its 150 kA short-circuit breaking capacity at 440 V AC and high short-time withstand capability support demanding electrical distribution applications.
Typical Applications
- Industrial low-voltage distribution switchboards.
- Commercial building power distribution systems.
- High-current feeder protection.
- Manufacturing and processing facilities.
- Electrical infrastructure and plant distribution boards.
- Main and sub-distribution panels.
- High-current electrical distribution networks.
