Why Choose the ABB SACE Emax 3 E6.3X 4000 1SDA128904R1 Air Circuit Breaker?
The ABB SACE Emax 3 E6.3X 4000 1SDA128904R1 is a high-performance air circuit breaker (ACB) designed for reliable protection, switching and monitoring of low-voltage electrical distribution systems. As part of the advanced ABB SACE Emax 3 series, this circuit breaker combines intelligent protection technology with robust construction for demanding industrial and infrastructure applications.
This fixed-version air circuit breaker is equipped with an Ekip Aware LSIG trip unit, providing advanced protection functions including long-time, short-time, instantaneous and ground fault protection. The E6.3X frame design provides high current-carrying capability and exceptional fault interruption performance for demanding low-voltage switchboard installations.
With a rated current of 4000 A, a 4-pole configuration and an Icu breaking capacity of 150 kA at 415 V AC, the ABB SACE Emax 3 E6.3X 4000 provides robust circuit protection for high-power electrical systems requiring advanced protection and very high short-circuit interruption performance.
Key Advantages
- SACE Emax 3 air circuit breaker technology for advanced low-voltage protection.
- 4000 A rated current suitable for high-power electrical distribution applications.
- 150 kA breaking capacity at 415 V AC for very high-performance short-circuit protection.
- Ekip Aware LSIG trip unit for comprehensive electrical protection.
- Fixed installation version for straightforward switchboard integration.
- Rear horizontal terminals for flexible connection design.
- Designed for reliable operation in demanding electrical environments.
Key Features
- ABB SACE Emax 3 series low-voltage air circuit breaker.
- E6.3X frame size with 4000 A rated current.
- 4-pole fixed version configuration.
- Ekip Aware LSIG trip unit for intelligent circuit protection.
- Rear horizontal terminals for connection flexibility.
- 150 kA Icu at 415 V AC short-circuit breaking capability.
- Supports modern power management and electrical protection requirements.
- Suitable for advanced low-voltage distribution systems.
Reliable Protection for Modern Power Distribution
The ABB SACE Emax 3 range combines advanced electronic trip technology with reliable air circuit breaker performance to protect electrical installations against overloads and short-circuit faults. These breakers provide dependable switching and monitoring capabilities for modern low-voltage power networks.
The integrated Ekip Aware LSIG trip unit enables precise protection management and improved system awareness, supporting engineers in designing secure and efficient electrical distribution solutions. The Emax 3 platform is developed for applications requiring intelligent protection and digital integration.
Typical Applications
- Industrial low-voltage switchboards.
- High-power electrical distribution panels and switchgear.
- Manufacturing plants and large production facilities.
- Commercial and infrastructure electrical systems.
- Energy management and monitoring installations.
- Critical power and industrial automation applications.
