ABB 1SDA125738R1 Emax 3 E2.3S 2500 Ekip Aware LI 4P WMP
The ABB 1SDA125738R1 is an Emax 3 E2.3S 2500 air circuit breaker moving part configured with an Ekip Aware LI electronic trip unit, four poles and a withdrawable WMP construction. It is designed for high-current low-voltage power distribution and switching applications where reliable protection and operational flexibility are required.
With a rated current of 2500 A and an Ekip Aware LI release providing long-time and instantaneous protection functions, this ABB circuit breaker supports adjustable protection coordination within demanding electrical distribution systems. The four-pole configuration provides switching and protection of three-phase systems with a neutral pole.
The E2.3S frame belongs to the ABB SACE Emax 3 family of open circuit breakers, combining high short-circuit performance with electronic protection and withdrawable construction. The WMP moving part is intended for installation with the corresponding fixed part and accessories within compatible Emax 3 switchboards and power distribution assemblies.
Key Advantages
- High-current 2500 A rating for demanding low-voltage distribution systems
- Ekip Aware LI electronic trip unit for long-time and instantaneous overcurrent protection
- E2.3S frame with 85 kA rated ultimate short-circuit breaking capacity at 440 V AC
- 66 kA rated short-time withstand current for 1 s at 440 V AC
- Four-pole configuration for comprehensive phase and neutral switching
- Withdrawable moving-part construction for practical switchboard installation and maintenance
- Designed as part of the ABB SACE Emax 3 low-voltage air circuit breaker system
Key Features
- ABB Emax 3 E2.3S 2500 frame
- 2500 A rated current
- Ekip Aware LI electronic protection release
- Long-time and instantaneous protection functions
- Four-pole electrical configuration
- Withdrawable WMP moving part
- 85 kA Icu at 440 V AC
- 66 kA Icw for 1 s at 440 V AC
- Suitable for high-capacity industrial and commercial power distribution
High-Capacity Protection for Industrial Power Distribution
The ABB 1SDA125738R1 provides a high-capacity protection solution for electrical distribution assemblies requiring dependable interruption and electronic overcurrent protection. Its E2.3S 2500 frame is designed for applications where high rated current and substantial short-circuit performance are required.
The Ekip Aware LI release combines long-time and instantaneous protection functions, while the four-pole withdrawable WMP configuration supports practical integration into compatible Emax 3 switchboards. This makes the unit suitable for industrial power distribution, large commercial installations and other high-current electrical infrastructure.
Typical Applications
- Industrial main distribution boards
- Large commercial electrical distribution systems
- Power distribution switchboards
- Industrial plant incoming feeders
- High-current feeder protection
- Generator and transformer distribution systems
- Critical infrastructure electrical installations
- Low-voltage power distribution assemblies
