Why Choose the ABB 1SDA125719R1 Emax 3 E2.3N 2000A Air Circuit Breaker?
The ABB 1SDA125719R1 is a high-capacity four-pole withdrawable air circuit breaker moving part for the ABB SACE Emax 3 E2.3N platform. It is configured with an Ekip Aware LSI electronic trip unit and a 2000 A rated current, providing advanced protection and switching for demanding low-voltage electrical distribution systems.
Designed for industrial and commercial power distribution, the Emax 3 E2.3N combines robust circuit-breaking technology with electronic protection and a withdrawable construction. The moving part is designed for installation in a compatible Emax 3 switchboard and supports convenient inspection and maintenance of high-current distribution equipment.
With a 2000 A rated current, four-pole configuration and Ekip Aware LSI protection, the ABB 1SDA125719R1 is suitable for high-current distribution applications requiring long-time, short-time and instantaneous overcurrent protection. The product listing identifies it specifically as an E2.3N 2000 Ekip Aware LSI 4-pole WMP configuration.
Key Advantages
- High-capacity ABB SACE Emax 3 E2.3N air circuit breaker configuration.
- 2000 A rated current for high-power low-voltage distribution systems.
- Four-pole construction for three-phase distribution systems with neutral switching.
- Integrated Ekip Aware LSI electronic trip unit.
- Adjustable long-time, short-time and instantaneous overcurrent protection.
- Withdrawable moving-part construction for compatible Emax 3 switchgear.
- Includes four auxiliary contacts as specified for this configuration.
Key Features
- ABB SACE Emax 3 E2.3N series.
- 2000 A rated current.
- Ekip Aware LSI electronic trip unit.
- Four-pole withdrawable moving part.
- Long-time protection with adjustable I1 setting from 800–2000 A.
- Short-time overcurrent protection through the LSI protection configuration.
- Instantaneous protection with adjustable I3 setting from 3000–30000 A.
- Compatible with ABB Emax 3 low-voltage air circuit breaker switchgear.
Advanced Protection for Low-Voltage Power Distribution
The ABB SACE Emax 3 E2.3N platform is designed for high-capacity low-voltage distribution applications where dependable circuit protection and switching performance are required. The Ekip Aware LSI electronic trip unit provides long-time, short-time and instantaneous protection functions that can be configured to suit the requirements of the electrical distribution system.
The withdrawable moving-part arrangement allows the circuit breaker assembly to be moved between operating and withdrawn positions within a compatible switchboard. This provides a practical solution for inspection, servicing and maintenance of high-current electrical distribution equipment.
Typical Applications
- Industrial low-voltage switchboards.
- Main distribution boards and electrical distribution systems.
- Commercial and infrastructure power installations.
- Industrial plants and high-capacity electrical networks.
- Generator and transformer distribution systems.
- High-current power distribution applications.
- Switchgear assemblies requiring withdrawable ACB technology.