Why Choose the ABB 1SDA125402R1 Emax 3 Air Circuit Breaker?
The ABB 1SDA125402R1 is an advanced Emax 3 low-voltage air circuit breaker configured as an E2.3H 1000 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 1SDA125402R1 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 in modern low-voltage switchboards.
With a 1000 A rated current, three-pole configuration and WMP arrangement, the E2.3H 1000 is suitable for demanding low-voltage power distribution applications. The E2.3H high-performance frame provides a high short-circuit breaking capability for industrial and infrastructure installations.
Key Advantages
- Advanced ABB Emax 3 air circuit breaker for low-voltage power distribution.
- 1000 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 selective protection schemes.
- High-performance E2.3H platform designed for demanding electrical distribution systems.
Key Features
- ABB Emax 3 air circuit breaker series.
- E2.3H 1000 breaker frame and current rating.
- 1000 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. This allows protection settings to be adapted to the requirements of the electrical installation while supporting coordination between upstream and downstream protective devices. The E2.3H 1000 is specified with a 100 kA short-circuit breaking capacity at 440 V and an 85 kA short-time withstand current for 1 s.
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.
