Why Choose the ABB Emax 3 E6.3H 4000 Ekip Aware LSI 4p FHR?
The ABB 1SDA125210R1 is an Emax 3 E6.3H 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 LSI electronic release for long-time overload, short-time and instantaneous short-circuit protection.
As part of the ABB SACE Emax 3 air circuit breaker series, the 1SDA125210R1 provides robust switching and protection for modern electrical distribution systems. Its fixed construction with rear horizontal terminals supports integration into suitably engineered switchboards and distribution assemblies.
With a 4000 A rated current, four-pole configuration and E6.3H high-breaking-capacity class, the 1SDA125210R1 is suited to high-current applications where dependable overload protection, short-time 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 LSI electronic release with long-time, short-time and instantaneous protection functions.
- 100 kA rated ultimate short-circuit breaking capacity at 440 V AC.
- 100 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 E6.3H air circuit breaker.
- 4000 A rated current.
- Four-pole fixed configuration.
- Ekip Aware LSI electronic release.
- Long-time, short-time and instantaneous overcurrent protection.
- 100 kA Icu at 440 V AC.
- 100 kA Icw for 1 s.
- Rear-mounted horizontal terminal arrangement.
- Four auxiliary contacts and open/closed position indication.
Reliable High-Current Power Distribution Protection
Air circuit breakers such as the ABB Emax 3 E6.3H provide protection for low-voltage electrical distribution systems by detecting and interrupting abnormal current conditions. The Ekip Aware LSI electronic release combines long-time overload, short-time and instantaneous short-circuit protection to help protect conductors, switchgear and connected equipment.
The 1SDA125210R1 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 high short-circuit performance and adjustable electronic protection functions 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.
