Why Choose the ABB 1SDA125189R1?
The ABB 1SDA125189R1 is an SACE Emax 3 E4.3N 4000 A air circuit breaker equipped with an Ekip Aware LI electronic protection release, providing dependable long-time and instantaneous overcurrent protection for demanding low-voltage electrical distribution systems.
Designed as a fixed, four-pole circuit breaker with horizontal rear terminals, the 1SDA125189R1 provides a robust high-current solution for main distribution boards, industrial switchboards and other electrical installations where reliable protection and secure integration are essential.
Its Ekip Aware LI release combines electronic protection with the high-current capability of the E4.3N frame, making this ABB air circuit breaker suitable for demanding industrial, commercial and infrastructure power distribution applications.
Key Advantages
- High 4000 A rated current for demanding power distribution applications.
- Ekip Aware LI electronic protection for long-time and instantaneous overcurrent protection.
- Four-pole configuration for comprehensive three-phase and neutral circuit protection.
- Fixed installation format for secure integration into compatible switchboards.
- Horizontal rear terminals for practical electrical connections.
- E4.3N frame provides a high-current solution within the SACE Emax 3 air circuit breaker family.
- Electronic solid-state trip technology supports reliable protection of high-current electrical distribution equipment.
Key Features
- ABB SACE Emax 3 E4.3N air circuit breaker.
- 4000 A rated current.
- 4-pole electrical configuration.
- Ekip Aware LI electronic release.
- Long-time and instantaneous protection functions.
- Fixed mounting configuration.
- Horizontal rear terminal arrangement.
- 66 kA short-circuit breaking capacity at 440 V AC.
Reliable Power Protection for Industrial Electrical Systems
The ABB 1SDA125189R1 is engineered for reliable protection of high-current low-voltage distribution systems. Its Ekip Aware LI electronic release provides controlled long-time overload and instantaneous short-circuit protection, helping protect electrical equipment and distribution infrastructure against damaging overcurrents.
As a fixed four-pole Emax 3 air circuit breaker with horizontal rear terminals, it is suited to applications requiring dependable high-current switching and protection within industrial switchboards, main distribution boards and power management systems.
Typical Applications
- Industrial main distribution boards.
- Low-voltage switchboards.
- High-current feeder protection.
- Manufacturing and production facilities.
- Commercial and infrastructure power distribution.
- Electrical distribution centres.
- Industrial power management systems.
