Why Choose the ABB 1SDA128803R1 E1.3C 630 Ekip Aware LSIG Air Circuit Breaker?
The ABB 1SDA128803R1 is a high-performance low-voltage air circuit breaker (ACB) designed for reliable protection and control of electrical distribution systems. This model is an Emax 3 E1.3C 630 circuit breaker equipped with an Ekip Aware LSIG electronic trip unit and a three-pole fixed configuration, making it suitable for demanding industrial and commercial power distribution applications.
As part of the ABB Emax 3 air circuit breaker series, the 1SDA128803R1 combines advanced electronic protection with robust switching performance. The Ekip Aware release provides comprehensive LSIG protection functions covering long-time, short-time, instantaneous and ground-fault protection, helping protect electrical installations against overloads and fault conditions.
With a 630 A rated current and three poles, the ABB 1SDA128803R1 is designed for use in main distribution boards, industrial switchboards and other low-voltage power distribution equipment. Its fixed construction provides a straightforward installation format for applications where a fixed circuit-breaker arrangement is required.
Key Advantages
- High-capacity ABB Emax 3 air circuit breaker for low-voltage power distribution.
- 630 A rated current suitable for high-load electrical distribution systems.
- Three-pole fixed configuration for straightforward switchboard installation.
- Integrated Ekip Aware LSIG electronic protection for comprehensive circuit protection.
- Designed for reliable protection against overloads, short circuits and ground faults.
- Suitable for industrial, commercial and infrastructure electrical distribution applications.
Key Features
- ABB Emax 3 E1.3C series.
- 630 A rated current.
- Three-pole configuration.
- Fixed circuit-breaker version.
- Ekip Aware LSIG electronic release.
- Long-time, short-time, instantaneous and ground-fault protection functions.
- Designed for low-voltage electrical distribution and protection.
- Robust air circuit breaker construction for demanding power systems.
Advanced Protection for Low-Voltage Power Distribution
Air circuit breakers such as the ABB Emax 3 E1.3C provide dependable switching and protection for high-current electrical distribution systems. The electronic trip unit continuously monitors electrical conditions and can initiate circuit interruption when abnormal current conditions are detected.
The Ekip Aware LSIG protection system provides four principal protection functions: long-time protection for overload conditions, short-time protection for short-circuit events, instantaneous protection for high fault currents and ground-fault protection for earth-related faults. This makes the 1SDA128803R1 suitable for modern distribution systems where comprehensive circuit protection is required.
Typical Applications
- Main low-voltage distribution switchboards.
- Industrial power distribution systems.
- Commercial electrical distribution installations.
- Manufacturing facilities and industrial plants.
- Power distribution and infrastructure equipment.
- Transformer and generator protection systems.
- Building services and large electrical installations.
