Why Choose the ABB 1SDA128811R1 E1.3B 1250 Ekip Aware LSIG Air Circuit Breaker?
The ABB 1SDA128811R1 is a high-performance low-voltage air circuit breaker (ACB) from the ABB SACE Emax 3 range, designed for reliable protection and switching in demanding electrical distribution systems. This model is the E1.3B 1250 Ekip Aware LSIG configuration, providing a three-pole fixed construction with an advanced Ekip electronic release.
The integrated Ekip Aware LSIG protection system provides comprehensive protection functions covering long-time, short-time, instantaneous and ground-fault protection. The fixed three-pole configuration supports straightforward integration into low-voltage switchboards, distribution panels and other electrical power distribution equipment.
With a 1250 A rated current, the 1SDA128811R1 is designed for high-current electrical distribution applications where dependable circuit protection and switching are required. As part of the Emax 3 platform, it combines robust air circuit breaker construction with electronic protection technology for modern low-voltage power systems.
Key Advantages
- 1250 A rated current for high-current low-voltage distribution applications.
- Advanced Ekip Aware LSIG electronic release for comprehensive circuit protection.
- Three-pole fixed configuration for straightforward switchboard integration.
- LSIG protection functions cover long-time, short-time, instantaneous and ground-fault protection.
- Robust ABB SACE Emax 3 construction for demanding electrical distribution systems.
- Suitable for high-current feeder, incoming and distribution circuit applications.
Key Features
- ABB SACE Emax 3 E1.3B air circuit breaker.
- 1250 A rated current.
- Three-pole fixed version.
- Ekip Aware LSIG electronic release.
- Long-time, short-time, instantaneous and ground-fault protection.
- Fixed circuit-breaker configuration for switchboard installation.
- Designed for low-voltage electrical power distribution.
- ABB Emax 3 platform for industrial and commercial electrical systems.
Advanced Protection for Low-Voltage Power Distribution
Air circuit breakers such as the ABB Emax 3 E1.3B provide controlled switching and protection for high-current electrical distribution systems. The Ekip Aware LSIG electronic release manages the configured protection functions to help protect electrical circuits and connected equipment against a range of fault conditions.
The 1SDA128811R1 combines a fixed three-pole breaker arrangement with electronic LSIG protection in a robust Emax 3 platform. This configuration makes it suitable for integration into switchboards, distribution panels and industrial electrical systems where reliable circuit protection and switching are required.
Typical Applications
- Low-voltage main distribution switchboards.
- Industrial power distribution systems.
- Commercial electrical distribution installations.
- Power distribution panels and switchgear assemblies.
- High-current feeder and incoming circuit protection.
- Industrial electrical control and distribution equipment.