Why Choose the ABB E4.3H 4000 Ekip Aware LSI 3p WMP?
The ABB 1SDA125517R1 is a high-capacity SACE Emax 3 air circuit breaker configured as an E4.3H 4000 Ekip Aware LSI three-pole WMP unit for reliable protection and switching in low-voltage power distribution systems. As part of the advanced ABB SACE Emax 3 air circuit breaker series, it combines a 4000 A rated current with an Ekip Aware electronic release and LSI protection functions for demanding electrical distribution applications.
This circuit breaker is designed for industrial and commercial power distribution where dependable circuit protection, switching and high short-circuit performance are required. The Ekip Aware electronic release provides configurable LSI protection functionality, while the Emax 3 platform is designed for integration into modern low-voltage switchboards and power distribution installations.
With a 4000 A rated current, three-pole configuration and Ekip Aware LSI protection, the E4.3H 4000 provides a high-performance solution for demanding distribution applications. The E4.3H configuration is specified with a high interrupting capability, including 100 kA Icu at 440 V and 85 kA Icw at 1 s.
Key Advantages
- High-capacity ABB SACE Emax 3 air circuit breaker for low-voltage power distribution.
- 4000 A rated current for high-current electrical distribution systems.
- Three-pole configuration for three-phase power distribution applications.
- Integrated Ekip Aware electronic release for advanced circuit protection.
- LSI protection functions providing long-time, short-time and instantaneous overcurrent protection.
- High breaking capacity suitable for demanding industrial and commercial switchboards.
Key Features
- ABB SACE Emax 3 air circuit breaker series.
- E4.3H 4000 breaker frame with 4000 A rated current.
- Ekip Aware electronic release.
- LSI protection functions for long-time, short-time and instantaneous protection.
- Three-pole configuration.
- WMP configuration for the Emax 3 breaker platform.
- 100 kA Icu at 440 V.
- 85 kA Icw at 1 s.
Reliable Protection for High-Current Power Distribution
Air circuit breakers such as the ABB SACE Emax 3 E4.3H provide high-capacity protection and switching for electrical distribution systems. The Ekip Aware electronic release provides LSI protection functionality, helping protect electrical circuits against overloads, short-duration fault currents and high instantaneous overcurrent conditions.
The Emax 3 E4.3H platform is designed for demanding low-voltage applications where high interrupting and withstand capabilities are required. Its 4000 A configuration allows the breaker to be incorporated into main distribution boards, industrial switchboards and other high-current electrical installations.
Typical Applications
- Main low-voltage distribution switchboards.
- Industrial power distribution systems.
- Commercial electrical distribution installations.
- High-current feeder and incoming circuit protection.
- Manufacturing facilities and industrial plants.
- Power distribution equipment and switchgear assemblies.
