Why Choose the ABB 1SDA128805R1 E1.3B 800 Ekip Aware LSIG Air Circuit Breaker?
The ABB 1SDA128805R1 is a high-performance low-voltage air circuit breaker (ACB) designed for reliable protection and switching of electrical distribution systems. This model is an Emax 3 E1.3B 800 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 1SDA128805R1 combines electronic protection with robust switching performance. The Ekip Aware LSIG release provides long-time, short-time, instantaneous and ground-fault protection functions, helping protect electrical installations against overloads and fault conditions.
With a 800 A rated current and three poles, the ABB 1SDA128805R1 is designed for use in main distribution boards, industrial switchboards and other low-voltage power distribution equipment. Its fixed configuration with front terminals provides a straightforward installation format for applications requiring a fixed circuit-breaker arrangement.
Key Advantages
- High-capacity ABB Emax 3 air circuit breaker for low-voltage power distribution.
- 800 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.
- Adjustable long-time and instantaneous protection settings for application flexibility.
- Four auxiliary contacts for status and control integration.
- Suitable for industrial, commercial and infrastructure electrical distribution applications.
Key Features
- ABB Emax 3 E1.3B series.
- 800 A rated current.
- Three-pole configuration.
- Fixed circuit-breaker version with front terminals.
- Ekip Aware LSIG R 800 electronic release.
- Long-time, short-time, instantaneous and ground-fault protection functions.
- Long-time current setting range of 320–800 A.
- Instantaneous current setting range of 1200–12000 A.
- Four auxiliary contacts for circuit-breaker status and control functions.
Advanced Protection for Low-Voltage Power Distribution
Air circuit breakers such as the ABB Emax 3 E1.3B provide dependable switching and protection for high-current electrical distribution systems. The electronic trip unit 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. Adjustable protection settings allow the 1SDA128805R1 to be configured for the requirements of the electrical distribution system.
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.
