Why Choose the ABB SACE Emax 3 E2.3S 800 Air Circuit Breaker?
The ABB 1SDA128992R1 is a high-performance SACE Emax 3 E2.3S 800 air circuit breaker moving part designed for reliable protection and control of low-voltage electrical distribution systems. As part of the advanced ABB SACE Emax 3 series, this withdrawable circuit breaker component provides dependable protection, monitoring and switching performance for demanding industrial and commercial power applications.
This moving part only (WMP) version is designed for use with a separately ordered fixed part, allowing flexible installation and maintenance solutions in modern switchgear assemblies. Equipped with an Ekip Aware LSIG trip unit, the breaker provides advanced protection functions including long-time, short-time, instantaneous and ground-fault protection.
With a rated current of 800 A, a 4-pole configuration and a high short-circuit breaking capacity of 85 kA at 415 V, the ABB SACE Emax 3 E2.3S 800 is suitable for critical power distribution systems requiring dependable protection and operational continuity.
Key Advantages
- ABB SACE Emax 3 air circuit breaker technology for advanced low-voltage power protection.
- E2.3S 800 frame rating with an 800 A rated current capability.
- 85 kA breaking capacity at 415 V for demanding electrical installations.
- Four-pole withdrawable design for flexible switchgear integration and maintenance.
- Ekip Aware LSIG trip unit providing comprehensive protection functions.
- Moving part supplied separately for modular installation with the matching fixed part.
Key Features
- ABB SACE Emax 3 E2.3S series.
- 800 A rated current In.
- 4-pole air circuit breaker configuration.
- 85 kA Icu at 415 V.
- Ekip Aware LSIG trip unit with L, S, I and G protection functions.
- Withdrawable version for switchgear applications.
- Moving part only (WMP); fixed part ordered separately.
- Designed for reliable industrial power distribution and protection systems.
Advanced Protection for Modern Power Distribution
The ABB SACE Emax 3 range provides advanced circuit protection solutions for electrical installations where reliability, safety and operational flexibility are essential. These air circuit breakers combine robust switching technology with intelligent electronic trip units to protect equipment against overloads, short circuits and earth faults.
The integrated Ekip Aware LSIG trip unit enhances system monitoring and protection by providing adjustable protection functions for different operating conditions. The withdrawable architecture enables efficient inspection, replacement and maintenance procedures in professional switchgear environments.
Typical Applications
- Industrial power distribution switchboards.
- Manufacturing and production facilities.
- Commercial electrical infrastructure.
- Energy management and distribution systems.
- Large machinery power protection systems.
- Low-voltage main distribution boards.
