Why Choose the ABB 1SDA125417R1 Emax 3 Air Circuit Breaker?
The ABB 1SDA125417R1 is an advanced Emax 3 low-voltage air circuit breaker configured as an E2.3H 1250 with an Ekip Aware LSI electronic release and three poles. It is designed for high-current electrical distribution systems requiring dependable switching and adjustable electronic circuit protection.
As part of the ABB Emax 3 air circuit breaker series, the 1SDA125417R1 combines a robust breaker platform with an Ekip Aware electronic release. Its LSI protection functions provide long-time, short-time and instantaneous protection, supporting coordinated protection strategies within modern low-voltage switchboards.
With a 1250 A rated current, three-pole configuration and WMP arrangement, the E2.3H 1250 is suitable for demanding low-voltage power distribution applications. The E2.3H high-performance frame provides a 100 kA short-circuit breaking capacity at 440 V and an 85 kA short-time withstand current for 1 s.
Key Advantages
- Advanced ABB Emax 3 air circuit breaker for low-voltage power distribution.
- 1250 A rated current for high-current electrical distribution applications.
- Three-pole configuration for three-phase low-voltage systems.
- Integrated Ekip Aware LSI electronic release for configurable circuit protection.
- Long-time, short-time and instantaneous protection functions support coordinated electrical protection schemes.
- High-performance E2.3H platform designed for demanding electrical distribution systems.
Key Features
- ABB Emax 3 air circuit breaker series.
- E2.3H 1250 breaker frame and current rating.
- 1250 A rated current.
- Ekip Aware LSI electronic release.
- 3-pole fixed configuration.
- Long-time, short-time and instantaneous protection functions.
- Adjustable electronic protection settings for application-specific coordination.
- WMP configuration for the corresponding Emax 3 switchgear arrangement.
Reliable Protection for High-Current Power Distribution
Air circuit breakers are used in low-voltage switchboards to control and protect high-current electrical circuits. The ABB Emax 3 platform combines electronic trip technology with a robust breaker architecture, helping electrical engineers implement dependable protection and selective coordination within modern power distribution systems.
The Ekip Aware LSI release provides long-time, short-time and instantaneous protection functions. The long-time current setting can be adjusted from 500 A to 1250 A, while the instantaneous protection setting can be adjusted from 1875 A to 18750 A, providing flexibility for application-specific protection requirements.
Typical Applications
- Low-voltage main distribution switchboards.
- Industrial power distribution systems.
- Commercial and infrastructure electrical installations.
- High-current feeder and incomer protection.
- Manufacturing plant electrical distribution.
- ABB Emax 3 switchgear assemblies and replacement applications.
