Why Choose the ABB SACE Emax 3 E6.3X/f 6300 Air Circuit Breaker?
The ABB 1SDA125883R1 is a high-performance SACE Emax 3 E6.3X/f 6300 air circuit breaker (ACB) moving part designed for reliable protection, switching and control within high-capacity low-voltage electrical distribution systems. As part of the advanced ABB SACE Emax 3 circuit breaker series, it provides modern protection technology for industrial plants, infrastructure projects and critical power applications.
This withdrawable circuit breaker moving part is supplied with an integrated Ekip Aware LI trip unit and is designed to operate with a separately ordered fixed part. The configuration includes a 100% neutral arrangement, providing enhanced neutral conductor protection and flexible application options for four-pole distribution systems.
With a rated current of 6300 A and an ultimate short-circuit breaking capacity of 150 kA at 415 V AC, the ABB SACE Emax 3 E6.3X/f 6300 provides exceptional fault interruption capability and intelligent protection for large-scale industrial and infrastructure low-voltage distribution systems.
Key Advantages
- SACE Emax 3 air circuit breaker technology for advanced low-voltage power protection.
- 6300 A rated current for very high-capacity electrical distribution applications.
- 150 kA Icu at 415 V AC for exceptional short-circuit interruption performance.
- Integrated Ekip Aware LI trip unit providing long-time and instantaneous protection functions.
- Withdrawable moving part (WMP) enables flexible maintenance and replacement procedures.
- 100% neutral configuration for enhanced four-pole distribution protection.
- Fixed part ordered separately for customised switchboard configuration.
Key Features
- ABB SACE Emax 3 series.
- E6.3X/f 6300 frame size.
- 4-pole air circuit breaker configuration.
- 6300 A rated current (In).
- 150 kA ultimate short-circuit breaking capacity (Icu) at 415 V AC.
- Ekip Aware LI trip unit.
- Withdrawable version moving part only (WMP).
- 100% neutral arrangement.
- Fixed part supplied separately.
- Designed for demanding industrial and infrastructure power distribution systems.
Reliable Power Protection for Industrial Systems
Air circuit breakers such as the ABB SACE Emax 3 E6.3X/f 6300 provide essential protection by detecting overload and fault conditions and safely interrupting current flow. The integrated trip unit supports accurate protection coordination and improved electrical system reliability.
The SACE Emax 3 platform is engineered for modern electrical distribution networks, combining very high breaking performance, intelligent protection features and flexible withdrawable installation options for demanding applications.
Typical Applications
- Large industrial power distribution switchboards.
- Heavy manufacturing and production facilities.
- Main low-voltage distribution systems.
- Critical infrastructure power networks.
- Transformer and generator protection systems.
- Energy management and automation installations.
