Why Choose the ABB 1SDA128880R1 Emax 3 Air Circuit Breaker?
The ABB 1SDA128880R1 is an advanced air circuit breaker (ACB) designed for reliable protection, switching and intelligent management of low-voltage electrical distribution systems. As part of the next-generation ABB SACE Emax 3 series, it combines high-performance circuit protection with intelligent monitoring, advanced connectivity and flexible integration for modern power infrastructure.
The Emax 3 platform is designed to provide intelligent power management through advanced sensing, electronic protection, communication capabilities and enhanced operational visibility. It supports modern electrical networks where safety, reliability and digital integration are essential.
With an E2.3H frame size, 1250 A rated current, Ekip Aware LSIG electronic trip unit and four-pole fixed configuration with horizontal rear terminals, the ABB 1SDA128880R1 is suitable for industrial switchgear, main distribution boards and critical power distribution applications.
Key Advantages
- Advanced ABB SACE Emax 3 air circuit breaker technology for modern low-voltage systems.
- 1250 A rated current suitable for high-capacity electrical distribution applications.
- Ekip Aware LSIG protection for comprehensive circuit monitoring and fault protection.
- Four-pole fixed configuration for applications requiring neutral conductor switching.
- Intelligent connectivity and monitoring capabilities for energy management systems.
- Reliable protection solution for industrial, commercial and infrastructure installations.
Key Features
- ABB SACE Emax 3 series air circuit breaker.
- E2.3H 1250 frame configuration.
- Ekip Aware LSIG electronic trip unit.
- 1250 A rated uninterrupted current.
- Four-pole fixed execution.
- Horizontal rear terminal connection.
- Long-time, short-time, instantaneous and ground fault protection functions.
- Compatible with ABB digital monitoring and communication solutions.
Reliable Protection for Industrial Power Distribution
Air circuit breakers protect critical electrical systems by monitoring current conditions and safely interrupting circuits during overloads or short-circuit events. The ABB Emax 3 range combines advanced protection with intelligent measurement and communication features to improve system reliability and operational control.
Designed for modern electrical infrastructure, Emax 3 circuit breakers support industrial automation, energy management and smart distribution applications through scalable connectivity and advanced diagnostics.
Typical Applications
- Industrial power distribution systems.
- Main low-voltage switchboards.
- Manufacturing plants and processing facilities.
- Commercial building electrical infrastructure.
- Energy management and monitoring installations.
- Critical power and industrial automation systems.
