Why Choose the ABB Emax 3 E6.3V/f 5000 Ekip Aware LI 4p FHR?
The ABB 1SDA125274R1 is an Emax 3 E6.3V/f 5000 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 5000 A rated current with an Ekip Aware LI electronic release for long-time overload and instantaneous short-circuit protection.
As part of the ABB SACE Emax 3 air circuit breaker series, the 1SDA125274R1 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 5000 A rated current, four-pole configuration and E6.3V/f high-breaking-capacity class, the 1SDA125274R1 is suited to high-current applications where dependable overload protection and high short-circuit interruption performance are required.
Key Advantages
- High-capacity air circuit breaker for low-voltage power distribution.
- 5000 A rated current for high-current electrical distribution systems.
- Four-pole fixed construction with full-size neutral pole configuration.
- Ekip Aware LI electronic release with long-time and instantaneous protection functions.
- 150 kA rated ultimate short-circuit breaking capacity at 440 V AC.
- 100 kA short-time withstand current for 1 s.
- Rear horizontal terminals for practical switchboard integration.
- Suitable for demanding industrial and commercial power distribution applications.
Key Features
- ABB SACE Emax 3 E6.3V/f air circuit breaker.
- 5000 A rated current.
- Four-pole fixed configuration.
- Ekip Aware LI electronic release.
- Long-time and instantaneous overcurrent protection.
- 150 kA Icu at 440 V AC.
- 100 kA Icw for 1 s.
- FHR configuration with rear horizontal terminals.
- Designed for integration into high-current low-voltage distribution systems.
Reliable High-Current Power Distribution Protection
Air circuit breakers such as the ABB Emax 3 E6.3V/f provide protection for low-voltage electrical distribution systems by detecting and interrupting abnormal current conditions. The Ekip Aware LI electronic release combines long-time overload and instantaneous short-circuit protection to help protect conductors, switchgear and connected equipment.
The 1SDA125274R1 combines a 5000 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 100 kA short-time withstand current for 1 s support demanding high-current electrical distribution applications.
Typical Applications
- Industrial low-voltage distribution switchboards.
- High-current main distribution systems.
- Commercial building power distribution infrastructure.
- Manufacturing and processing facilities.
- Electrical infrastructure and plant distribution boards.
- Main and sub-distribution panels.
- High-current feeder and incoming supply protection.
