Why Choose the ABB E2.3N 1250 Ekip Aware LSI 4p WMP?
The ABB 1SDA125679R1 is an E2.3N 1250 A SACE Emax 3 withdrawable air circuit breaker moving part, equipped with an Ekip Aware LSI electronic trip unit and four poles. It is designed to provide dependable protection and controlled switching for demanding low-voltage power distribution systems.
With a 1250 A rated current and service voltage capability up to 690 V AC, this Emax 3 configuration provides high-capacity circuit protection for industrial and commercial switchboards. The Ekip Aware LSI trip unit combines adjustable long-time, short-time and instantaneous overcurrent protection for flexible circuit protection.
The withdrawable moving-part construction supports practical inspection, servicing and replacement, while the four-pole arrangement enables switching of three-phase circuits with the neutral. Auxiliary contacts and position indication further support integration with switchgear monitoring and control systems.
Key Advantages
- 1250 A rated current for high-capacity low-voltage distribution.
- Four-pole configuration for applications requiring neutral conductor switching.
- Ekip Aware LSI electronic trip unit for adjustable long-time, short-time and instantaneous protection.
- Withdrawable moving-part design supports efficient inspection and maintenance.
- Four auxiliary contacts support signalling and control circuit integration.
- Open/closed position indication supports clear switchgear status identification.
- High-capacity E2.3N construction for demanding distribution applications.
Key Features
- ABB SACE Emax 3 E2.3N series.
- Order code: 1SDA125679R1.
- Ekip Aware LSI electronic trip unit.
- 1250 A rated current.
- 4-pole withdrawable moving part (WMP) configuration.
- Long-time protection adjustment: 500–1250 A.
- Instantaneous protection adjustment: 1875–18750 A.
- Short-time protection function for selective protection coordination.
- Four auxiliary contacts.
- Open/closed position indication.
High-Capacity Protection for Industrial Power Distribution
The ABB E2.3N 1250 Ekip Aware LSI 4p WMP is designed for high-capacity low-voltage distribution systems where adjustable electronic protection and dependable switching performance are required. Its 1250 A rating provides substantial current-handling capability for industrial, commercial and infrastructure switchboards.
The withdrawable architecture allows the moving part to be removed from the switchgear for inspection and servicing, supporting maintenance-oriented installations. The Ekip Aware LSI trip unit provides adjustable long-time, short-time and instantaneous protection, while the four-pole construction and auxiliary contacts facilitate integration into distribution and control systems.
Typical Applications
- Industrial main distribution switchboards.
- Commercial building power distribution.
- Manufacturing and process plant electrical systems.
- High-capacity feeder protection.
- Low-voltage switchgear and distribution assemblies.
- Data centre and critical-power distribution infrastructure.
- Infrastructure and utility electrical installations.
- Systems requiring withdrawable air circuit breaker technology.
