Why Choose the ABB Emax 3 E6.3X 6300 Ekip Aware LSI 4p FHR?
The ABB 1SDA125250R1 is an Emax 3 E6.3X 6300 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 6300 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 1SDA125250R1 provides robust switching and protection for modern electrical distribution systems. Its fixed construction with rear-mounted horizontal terminals supports integration into suitably engineered switchboards and distribution assemblies.
With a 6300 A rated current, four-pole configuration and E6.3X high-breaking-capacity class, the 1SDA125250R1 is suited to high-current applications where dependable overload protection, short-time protection and high short-circuit interruption performance are required.
Key Advantages
- High-capacity air circuit breaker for low-voltage power distribution.
- 6300 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.
- 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.
- Suitable for demanding industrial and commercial power distribution applications.
Key Features
- ABB SACE Emax 3 E6.3X air circuit breaker.
- 6300 A rated current.
- Four-pole fixed configuration.
- Ekip Aware LSI electronic release.
- Long-time, short-time and instantaneous overcurrent protection.
- 150 kA Icu at 440 V AC.
- 120 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 E6.3X 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 1SDA125250R1 combines a 6300 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 120 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.
