Why Choose the ABB 1SDA128817R1 Emax 3 Air Circuit Breaker?
The ABB 1SDA128817R1 is a high-capacity low-voltage air circuit breaker designed for reliable switching and protection in demanding electrical power distribution systems. As part of the advanced ABB SACE Emax 3 air circuit breaker series, this configuration combines an E2.3N frame, 800 A rated current, three-pole fixed construction and an electronic Ekip Aware LSIG protection release.
This circuit breaker provides comprehensive electronic protection for low-voltage distribution systems. The Ekip Aware LSIG release incorporates long-time, short-time, instantaneous and earth-fault protection functions, while the Emax 3 platform is designed for reliable operation in industrial and commercial power distribution installations.
With a rated current of 800 A, a three-pole fixed configuration and rear-mounted horizontal terminals, the ABB 1SDA128817R1 is suited to main and feeder protection applications in low-voltage switchboards. The E2.3N version has a 66 kA short-circuit rating at 440 V and a 66 kA one-second short-time withstand rating.
Key Advantages
- High-capacity air circuit breaker designed for low-voltage power distribution.
- 800 A rated current suitable for industrial and commercial distribution systems.
- Three-pole fixed configuration for dependable circuit switching and protection.
- Electronic Ekip Aware LSIG protection release for comprehensive overcurrent and earth-fault protection.
- 66 kA short-circuit rating at 440 V for demanding electrical distribution applications.
- Rear-mounted horizontal terminals provide practical connection within compatible switchboard assemblies.
Key Features
- ABB SACE Emax 3 air circuit breaker series.
- E2.3N frame.
- 800 A rated current.
- Three-pole fixed configuration.
- Ekip Aware LSIG electronic protection release.
- LSIG protection functions covering long-time, short-time, instantaneous and earth-fault protection.
- 66 kA Icu at 440 V.
- 66 kA Icw for 1 s.
- Rear-mounted horizontal terminals.
Advanced Protection for Low-Voltage Power Distribution
Air circuit breakers such as the ABB Emax 3 provide reliable switching and protection for high-current low-voltage electrical systems. By combining robust circuit-breaker construction with electronic protection technology, they help safeguard distribution equipment and electrical circuits against damaging overcurrent and earth-fault conditions.
The Emax 3 series is designed for modern power distribution installations where dependable switching, high short-circuit performance and intelligent protection are required. The Ekip Aware LSIG release provides comprehensive protection functions, supporting the protection requirements of contemporary industrial and commercial electrical distribution systems.
Typical Applications
- Main incoming protection in low-voltage switchboards.
- Industrial power distribution systems.
- High-current feeder protection.
- Commercial electrical distribution installations.
- Large power distribution panels and switchboards.
- Industrial plants and critical electrical infrastructure.
