Why Choose the ABB E2.3S 1250 Ekip Aware LSI 4p WMP?
The ABB 1SDA125684R1 is an E2.3S 1250 Ekip Aware LSI 4-pole withdrawable moving part (WMP) for SACE Emax 3 air circuit breakers, providing high-capacity circuit protection and flexible electronic trip adjustment for demanding low-voltage power distribution systems.
With a rated current of 1250 A, four-pole configuration and Ekip Aware LSI electronic protection, this ABB air circuit breaker moving part is designed for reliable protection, selective coordination and efficient control within industrial and commercial electrical distribution equipment.
The E2.3S platform provides an Icu of 85 kA at 440 V and an Icw of 66 kA for 1 s, while the withdrawable design supports practical installation, inspection and maintenance of switchgear assemblies. The Ekip Aware release provides adjustable protection settings suited to engineered distribution applications.
Key Advantages
- 1250 A rated current for high-capacity power distribution.
- Four-pole configuration for comprehensive three-phase and neutral circuit protection.
- Ekip Aware LSI electronic trip unit with adjustable long-time, short-time and instantaneous protection functions.
- Withdrawable moving-part construction for convenient switchgear servicing and replacement.
- 85 kA short-circuit breaking capacity at 440 V for demanding distribution applications.
- 66 kA short-time withstand current for 1 s to support selective protection strategies.
- Four auxiliary contacts for additional signalling and control functions.
- ABB SACE Emax 3 platform designed for modern low-voltage power distribution systems.
Key Features
- Product family: SACE Emax 3
- Breaker frame: E2.3S
- Rated current: 1250 A
- Poles: 4
- Release unit: Ekip Aware
- Protection functions: LSI
- Configuration: Withdrawable moving part (WMP)
- Long-time protection adjustment: I1 = 500–1250 A
- Instantaneous protection adjustment: I3 = 1875–18750 A
- Rated short-circuit breaking capacity: 85 kA at 440 V
- Short-time withstand current: 66 kA for 1 s
- Auxiliary contacts: 4
- Position indication for breaker status
- EAN: 8056221262361
High-Capacity Protection for Industrial Power Distribution
The ABB E2.3S 1250 Ekip Aware LSI 4p WMP is engineered for high-capacity low-voltage switchgear where dependable circuit protection, adjustable trip characteristics and maintainable withdrawable equipment are required. Its 1250 A rating and 85 kA Icu at 440 V make it suitable for demanding electrical distribution installations.
The Ekip Aware LSI electronic release combines long-time, short-time and instantaneous protection functions, allowing protection characteristics to be configured for the requirements of the installation. The withdrawable moving-part arrangement also supports efficient switchgear maintenance and system servicing.
Typical Applications
- Industrial main and sub-distribution switchboards
- Commercial building power distribution
- Manufacturing and process facilities
- High-capacity electrical distribution boards
- Motor and machinery distribution systems
- Data centre and critical-power distribution
- Infrastructure and utility switchgear
- Low-voltage switchboards requiring withdrawable air circuit breakers
