Why Choose the ABB 1SDA124883R1 Emax 3 Air Circuit Breaker?
The ABB 1SDA124883R1 is a high-performance air circuit breaker (ACB) from the ABB SACE Emax 3 series, designed for reliable protection and switching of high-current low-voltage electrical distribution systems. This E2.3H 2500 Ekip Aware LSI circuit breaker features a three-pole fixed configuration for demanding industrial, commercial and infrastructure power distribution applications.
The breaker incorporates an Ekip Aware LSI electronic trip unit with adjustable long-time, short-time and instantaneous short-circuit protection. Its fixed construction, rear horizontal connections and four auxiliary contacts support reliable integration into compatible switchboards and electrical distribution assemblies.
With a rated uninterrupted current of 2500 A, the ABB 1SDA124883R1 is designed for high-current electrical distribution applications. The E2.3H frame provides a high-performance protection platform for installations where dependable circuit interruption and adjustable electronic protection are required.
Key Advantages
- High-capacity ABB SACE Emax 3 air circuit breaker for low-voltage power distribution.
- 2500 A rated uninterrupted current for high-current electrical installations.
- Three-pole fixed construction for robust switchboard integration.
- Integrated Ekip Aware LSI electronic protection.
- Adjustable long-time overload and short-circuit protection settings.
- Rear horizontal main-circuit connections for compatible switchboard installations.
- Four auxiliary contacts for control and monitoring functions.
Key Features
- ABB SACE Emax 3 E2.3H series.
- 2500 A rated uninterrupted current.
- Ekip Aware LSI electronic trip unit.
- Three-pole fixed configuration.
- Long-time current setting of 1000–2500 A.
- Instantaneous short-circuit current setting of 3750–37500 A.
- Rear horizontal main-circuit connection arrangement.
- Four auxiliary contacts.
- Open/closed circuit-breaker position indication.
Reliable Protection for High-Current Power Distribution
Air circuit breakers such as the ABB Emax 3 E2.3H protect electrical distribution systems by monitoring current and interrupting circuits when overload or short-circuit conditions occur. The Ekip Aware LSI electronic release provides adjustable long-time and short-circuit protection functions to support the requirements of high-current installations.
The Emax 3 platform is designed for demanding low-voltage distribution applications where dependable switching and electronic protection are required. The fixed three-pole construction and rear horizontal terminal arrangement make the 1SDA124883R1 suitable for integration into compatible industrial and commercial switchboards.
Typical Applications
- Industrial low-voltage power distribution systems.
- Main electrical switchboards and distribution panels.
- Transformer and generator distribution equipment.
- Industrial manufacturing and processing facilities.
- Commercial and infrastructure power distribution systems.
- High-current electrical protection and switching assemblies.
