Why Choose the ABB 1SDA125422R1 Emax 3 Air Circuit Breaker?
The ABB 1SDA125422R1 is a high-performance SACE Emax 3 air circuit breaker configured as an E2.3B 1600 three-pole withdrawable moving part with an advanced Ekip Aware LSI electronic release. It is designed for reliable protection, monitoring and switching in demanding low-voltage industrial power distribution systems.
As part of the ABB Emax 3 air circuit breaker series, this unit combines high current-carrying capability with electronic protection functions for industrial installations. The Ekip Aware release provides LSI protection, supporting overload and short-circuit protection while enabling advanced monitoring and integration capabilities.
With a rated permanent current of 1600 A and a rated voltage of up to 690 V AC, the 1SDA125422R1 is suitable for high-capacity power distribution, transformer protection, generator protection and installation protection applications. Its three-pole withdrawable moving-part configuration is designed for use with compatible Emax 3 E2.3B systems.
Key Advantages
- High-capacity Emax 3 air circuit breaker for industrial power distribution.
- 1600 A rated permanent current for high-load electrical installations.
- Three-pole configuration for three-phase low-voltage distribution systems.
- Advanced Ekip Aware LSI electronic protection.
- High short-circuit breaking capability with 42 kA Icu at 400 V, 50 Hz.
- Withdrawable moving-part configuration for practical system maintenance and isolation.
Key Features
- ABB SACE Emax 3 E2.3B series.
- 1600 A rated permanent current.
- Ekip Aware LSI electronic release.
- Three-pole fixed moving-part configuration.
- 690 V AC rated voltage.
- 42 kA rated ultimate short-circuit breaking capacity at 400 V, 50 Hz.
- Adjustable long-time, short-time and instantaneous protection settings.
- Designed for high-capacity industrial power distribution and protection systems.
Reliable Protection for Industrial Power Distribution
Air circuit breakers such as the ABB Emax 3 E2.3B provide controlled switching and protection for high-current low-voltage electrical distribution systems. By combining high current ratings with electronic protection, they help protect electrical equipment against overloads and short-circuit conditions.
The Ekip Aware LSI electronic release provides configurable long-time, short-time and instantaneous protection functions. This makes the Emax 3 platform suitable for demanding applications where coordinated protection and detailed electrical monitoring are important.
Typical Applications
- Industrial low-voltage power distribution.
- Transformer protection systems.
- Generator protection and switching.
- Main distribution switchboards.
- High-current industrial installations.
- Commercial and infrastructure electrical distribution systems.
- Power distribution equipment requiring withdrawable circuit breaker technology.
