Why Choose the ABB 1SDA128813R1 E1.3N 1250 Ekip Aware LSIG Air Circuit Breaker?
The ABB 1SDA128813R1 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 E1.3N 1250 Ekip Aware LSIG configuration, providing a three-pole fixed construction with front terminals and an advanced electronic Ekip 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 construction and front-terminal arrangement support straightforward integration into low-voltage switchboards, distribution panels and other electrical power distribution equipment.
With a 1250 A rated current and a 690 V AC rated voltage, the 1SDA128813R1 is suited to 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.
- Front terminals support practical connection within electrical distribution equipment.
- LSIG protection functions cover long-time, short-time, instantaneous and ground-fault protection.
- 690 V AC rated voltage for demanding low-voltage electrical systems.
Key Features
- ABB SACE Emax 3 E1.3N air circuit breaker.
- 1250 A rated current.
- Three-pole fixed version.
- Front terminal connection.
- Ekip Aware LSIG electronic release.
- Long-time, short-time, instantaneous and ground-fault protection.
- 4 auxiliary contacts for circuit-breaker status signalling.
- Open/closed circuit-breaker position indication.
Advanced Protection for Low-Voltage Power Distribution
Air circuit breakers such as the ABB Emax 3 E1.3N 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 1SDA128813R1 combines a fixed three-pole breaker arrangement with front terminals, electronic LSIG protection and auxiliary signalling contacts. This configuration makes it suitable for integration into switchboards, distribution panels and industrial electrical systems where reliable circuit protection and status monitoring 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.
