Why Choose the ABB 1SDA125568R1 Emax 3 Air Circuit Breaker?
The ABB 1SDA125568R1 is a compact and versatile air circuit breaker moving part designed for reliable protection and switching of low-voltage electrical power distribution systems. As part of the ABB SACE Emax 3 E1.3N series, it is suited to applications requiring dependable circuit protection in industrial, commercial and infrastructure installations.
This four-pole withdrawable moving part incorporates an Ekip Aware LI electronic release with long-time and instantaneous protection functions. The Emax 3 platform provides advanced electronic protection and monitoring capabilities for modern low-voltage power distribution systems.
With a 250 A rated current, an Icu of 66 kA at 440 V and an Icw of 50 kA for 1 s, the E1.3N 250 provides dependable protection for demanding distribution applications. The WMP configuration identifies the withdrawable moving part for compatible Emax 3 switchgear assemblies.
Key Advantages
- Compact Emax 3 air circuit breaker moving part for low-voltage power distribution.
- 250 A rated current for a wide range of electrical distribution applications.
- Four-pole configuration for comprehensive three-phase and neutral circuit protection.
- Ekip Aware LI electronic protection with long-time and instantaneous protection functions.
- 66 kA ultimate short-circuit breaking capacity at 440 V.
- 50 kA short-time withstand current for 1 s.
- Withdrawable moving-part construction supports convenient switchgear maintenance and replacement.
Key Features
- ABB SACE Emax 3 E1.3N series.
- 250 A rated current.
- Four-pole electrical configuration.
- Ekip Aware electronic release.
- LI protection functions for long-time and instantaneous protection.
- 66 kA Icu at 440 V.
- 50 kA Icw for 1 s.
- WMP withdrawable moving-part configuration.
Reliable Protection for Industrial Power Distribution
Air circuit breakers such as the ABB Emax 3 E1.3N provide dependable switching and protection for low-voltage electrical distribution systems. The Ekip Aware LI release combines long-time overload protection with instantaneous short-circuit protection to help safeguard cables, equipment and distribution infrastructure during demanding operating conditions.
The four-pole withdrawable moving-part configuration is suitable for switchboards where neutral switching and convenient maintenance are important. With its compact E1.3 frame and electronic protection system, the Emax 3 E1.3N 250 can be integrated into a wide range of industrial, commercial and infrastructure power distribution applications.
Typical Applications
- Industrial low-voltage power distribution switchboards.
- Commercial electrical distribution systems.
- Building services and infrastructure installations.
- Transformer and generator distribution protection.
- Motor and equipment feeder protection.
- Control and distribution panels requiring four-pole protection.
- Withdrawable switchgear assemblies requiring flexible maintenance access.
