ABB 1SDA125678R1 Emax 3 E2.3N 1250 Ekip Aware LI 4p WMP
The ABB 1SDA125678R1 is an Emax 3 E2.3N 1250 air circuit-breaker moving part equipped with an Ekip Aware LI electronic trip unit and four poles, designed for reliable protection and switching in low-voltage power distribution systems.
With a rated current of 1250 A, the E2.3N platform provides high-capacity circuit protection for demanding electrical installations, while the Ekip Aware LI release combines adjustable long-time and instantaneous protection functions.
This four-pole withdrawable moving part is suitable for integration into ABB SACE Emax 3 switchgear, supporting convenient installation, inspection and maintenance in industrial and commercial power distribution applications.
Key Advantages
- ABB SACE Emax 3 E2.3N platform for high-current low-voltage power distribution.
- Rated current of 1250 A for substantial electrical loads.
- Ekip Aware LI electronic protection with adjustable long-time and instantaneous functions.
- Four-pole configuration for comprehensive circuit switching and protection.
- Withdrawable moving-part design simplifies installation and maintenance.
- Designed for dependable integration within ABB Emax 3 switchgear systems.
Key Features
- Emax 3 E2.3N 1250 air circuit-breaker moving part.
- Ekip Aware LI solid-state electronic release.
- Long-time protection setting: 500–1250 A.
- Instantaneous protection setting: 1875–18750 A.
- Four-pole construction.
- Withdrawable/draw-out WMP configuration.
- Four auxiliary contacts for signalling and control functions.
- Rated current: 1250 A.
- Rated ultimate short-circuit breaking capacity Icu: 66 kA at 440 V AC.
- Rated short-time withstand current Icw: 66 kA for 1 s.
Reliable Power Distribution Protection for Industrial Switchgear
The ABB 1SDA125678R1 provides high-current circuit protection within SACE Emax 3 assemblies where reliable interruption and controlled protection settings are essential. Its E2.3N 1250 platform is designed for demanding low-voltage distribution systems with a rated current of 1250 A.
The Ekip Aware LI electronic release provides adjustable long-time and instantaneous protection, while the four-pole withdrawable construction allows the moving part to be removed from the associated switchgear for servicing and inspection. Four auxiliary contacts provide additional signalling and control capability.
Typical Applications
- Industrial low-voltage distribution systems
- Main distribution switchboards
- Commercial electrical distribution
- Factory and manufacturing power systems
- High-current feeder protection
- Electrical infrastructure and switchgear assemblies
- Power distribution panels requiring withdrawable circuit-breakers
