Why Choose the ABB SACE Emax 3 E4.3H 3200 Air Circuit Breaker?
The ABB SACE Emax 3 E4.3H 3200 is a high-performance air circuit breaker (ACB) designed for reliable protection and switching of low-voltage electrical distribution systems. As part of the advanced ABB SACE Emax 3 series, this three-pole breaker is engineered for demanding industrial and commercial power distribution applications requiring high current capacity, dependable protection and excellent short-circuit interruption performance.
This breaker combines a 3200 A rated current with an Ekip Aware LSIG electronic trip unit, providing comprehensive long-time, short-time, instantaneous and earth-fault protection functions. The fixed construction with rear horizontal terminals allows integration into compatible switchboards and electrical distribution assemblies where rear connection arrangements are required.
With a rated ultimate short-circuit breaking capacity of 100 kA at 415 V, the ABB E4.3H 3200 provides robust fault interruption for high-power low-voltage installations. The three-pole fixed design delivers reliable switching and protection for industrial electrical distribution systems with demanding operational requirements.
Key Advantages
- High-performance ABB SACE Emax 3 air circuit breaker for advanced low-voltage distribution.
- 3200 A rated current for high-power electrical systems.
- 100 kA rated ultimate short-circuit breaking capacity at 415 V.
- Three-pole configuration for three-phase electrical distribution applications.
- Ekip Aware LSIG electronic trip unit providing complete circuit protection functions.
- Fixed version with rear horizontal terminals for switchboard integration.
Key Features
- ABB SACE Emax 3 series.
- E4.3H 3200 breaker configuration.
- 3200 A rated current.
- 100 kA rated ultimate short-circuit breaking capacity at 415 V.
- Three-pole construction.
- Ekip Aware LSIG electronic trip unit.
- Fixed installation version.
- Rear horizontal terminal connection.
- Designed for demanding industrial low-voltage switchgear applications.
Reliable Protection for High-Power Electrical Distribution
Air circuit breakers such as the ABB SACE Emax 3 E4.3H 3200 are designed to protect large low-voltage electrical systems against overloads and short-circuit conditions while providing controlled switching of high-current circuits. Their high current ratings and interruption capabilities make them suitable for critical industrial power distribution environments.
The Ekip Aware LSIG trip unit provides electronic protection functions covering long-time, short-time, instantaneous and earth-fault conditions. This allows effective protection coordination and improved operational reliability within modern electrical distribution systems.
Typical Applications
- Industrial low-voltage switchboards.
- Main power distribution systems.
- Manufacturing plants and heavy industrial facilities.
- Commercial and infrastructure electrical installations.
- High-current switchgear assemblies.
- Fixed SACE Emax 3 distribution applications.
