Why Choose the ABB 1SDA128929R1 SACE Emax 3 E1.3N 1000 Air Circuit Breaker?
The ABB 1SDA128929R1 is a high-performance SACE Emax 3 E1.3N air circuit breaker designed for reliable protection and control of low-voltage electrical distribution systems. This three-pole circuit breaker is rated at 1000 A and is equipped with an Ekip Aware LSIG trip unit providing comprehensive electronic protection functions for demanding power distribution applications.
As part of the ABB SACE Emax 3 range, the E1.3N platform combines advanced electronic protection and monitoring capabilities with robust air circuit breaker construction. The Ekip Aware LSIG trip unit provides long-time, short-time, instantaneous and earth-fault protection functions for modern electrical distribution systems.
The 1SDA128929R1 is supplied as the moving part only (WMP) of a withdrawable circuit breaker. Its three-pole configuration has a rated current of 1000 A and a rated ultimate short-circuit breaking capacity of 66 kA at 415 V. The corresponding fixed part is ordered separately for the complete withdrawable breaker assembly.
Key Advantages
- High-performance ABB SACE Emax 3 air circuit breaker for low-voltage power distribution.
- 1000 A rated current for high-current distribution and protection applications.
- 66 kA Icu at 415 V for high short-circuit interruption capability.
- Three-pole configuration for three-phase electrical distribution systems.
- Advanced Ekip Aware LSIG trip unit with comprehensive electronic protection functions.
- Withdrawable moving part (WMP) for use with a separately ordered fixed part.
Key Features
- ABB SACE Emax 3 E1.3N series.
- 1000 A rated current.
- Three-pole air circuit breaker.
- 66 kA rated ultimate short-circuit breaking capacity at 415 V.
- Ekip Aware LSIG electronic trip unit.
- LSIG protection covering long-time, short-time, instantaneous and earth-fault protection functions.
- Withdrawable version supplied as the moving part only (WMP).
- Designed for demanding low-voltage power distribution and protection applications.
Advanced Protection for Low-Voltage Power Distribution
Air circuit breakers such as the ABB SACE Emax 3 E1.3N provide dependable protection for electrical distribution systems by interrupting fault currents and protecting conductors and connected equipment from damaging overcurrent conditions. The E1.3N configuration is designed for applications requiring a high current rating and substantial short-circuit interruption capability.
The integrated Ekip Aware LSIG trip unit provides electronic protection and monitoring functionality. Its LSIG configuration combines long-time, short-time, instantaneous and earth-fault protection functions, helping provide comprehensive protection for modern low-voltage distribution systems.
The withdrawable construction allows the circuit-breaker moving part to be withdrawn from its separately ordered fixed part. This arrangement can support inspection, maintenance and replacement procedures in compatible switchgear installations.
Typical Applications
- Low-voltage electrical distribution systems.
- Main and secondary distribution switchboards.
- Industrial power distribution installations.
- Commercial and infrastructure electrical systems.
- High-current feeder and incoming protection applications.
- Power management and energy distribution equipment.
- Withdrawable switchgear and electrical control assemblies.
