Why Choose the ABB 1SDA128962R1 SACE Emax 3 Air Circuit Breaker?
The ABB 1SDA128962R1 is a high-performance air circuit breaker (ACB) designed for reliable protection and control of low-voltage electrical distribution systems. As part of the advanced ABB SACE Emax 3 series, this circuit breaker provides intelligent protection, advanced monitoring capabilities and dependable switching performance for demanding industrial power distribution applications.
The ABB SACE Emax 3 platform combines advanced electronic protection technology with digital monitoring and connectivity features to support modern electrical infrastructure. The integrated Ekip Aware LSIG electronic trip unit provides comprehensive protection against overloads, short circuits and earth faults while supporting improved system diagnostics and operational reliability.
With a rated current of 4000 A, an E4.3N frame size and a 3-pole withdrawable configuration, the ABB 1SDA128962R1 is suitable for high-demand low-voltage installations requiring dependable circuit interruption, flexible maintenance and intelligent protection management.
Key Advantages
- Advanced ABB SACE Emax 3 air circuit breaker technology.
- 4000 A rated current suitable for high-power industrial distribution systems.
- Ekip Aware LSIG electronic protection for comprehensive fault protection.
- E4.3N frame size designed for demanding electrical distribution applications.
- Withdrawable design enables easier inspection, maintenance and replacement.
- Designed for safe, efficient and intelligent low-voltage power management.
Key Features
- ABB SACE Emax 3 series low-voltage air circuit breaker.
- E4.3N 4000 frame size.
- 4000 A rated current.
- Ekip Aware LSIG electronic release.
- 3-pole withdrawable version.
- Long-time, short-time, instantaneous and earth fault protection functions.
- Advanced measurement, monitoring and diagnostic functionality.
- Suitable for industrial switchboards and critical power distribution systems.
Reliable Protection for Industrial Power Distribution
Air circuit breakers such as the ABB SACE Emax 3 provide essential protection by safely interrupting fault currents while maintaining reliable electrical operation. The advanced electronic trip unit enables precise protection settings, fault analysis and improved network monitoring.
The Emax 3 series combines robust circuit-breaking performance with intelligent digital features, helping electrical engineers create safer, more efficient and more connected low-voltage distribution systems.
Typical Applications
- Industrial power distribution switchboards.
- Manufacturing plants and production facilities.
- Commercial and infrastructure electrical systems.
- Energy management installations.
- Low-voltage protection and control panels.
- Industrial automation power networks.
