Why Choose the ABB 1SDA125311R1 E1.3N 630 Ekip Aware LI 3P WMP?
The ABB 1SDA125311R1 is an E1.3N 630 Ekip Aware LI three-pole air circuit-breaker from the ABB SACE Emax 3 range, designed for dependable low-voltage power distribution and circuit protection. It combines a 630 A rated current with an electronic Ekip Aware release and LI protection functions for demanding industrial and commercial electrical systems.
The E1.3N 630 configuration provides a high short-circuit breaking capacity suitable for power distribution applications, while the Ekip Aware electronic release provides adjustable overload and short-circuit protection. The withdrawable moving-part configuration supports installation within compatible Emax 3 switchgear assemblies and facilitates servicing and equipment replacement.
With a 630 A rated permanent current, 690 V rated voltage and three-pole construction, the ABB 1SDA125311R1 is suited to transformer, generator, feeder and general installation protection where reliable switching and controlled interruption are required.
Key Advantages
- ABB SACE Emax 3 air circuit-breaker for low-voltage power distribution.
- 630 A rated permanent current for high-current distribution applications.
- Three-pole configuration for three-phase electrical systems.
- Integrated Ekip Aware electronic release with LI protection functions.
- 66 kA rated short-circuit breaking capacity at 400 V AC.
- Withdrawable construction for integration into compatible Emax 3 switchgear assemblies.
Key Features
- ABB SACE Emax 3 E1.3N series.
- 630 A rated current.
- Ekip Aware electronic trip unit.
- LI protection functions for overload and short-circuit protection.
- 3-pole configuration.
- Withdrawable moving-part configuration.
- Adjustable overload protection from 252–630 A.
- Adjustable instantaneous short-circuit protection from 945–9450 A.
Reliable Circuit Protection for Power Distribution
Air circuit-breakers such as the ABB Emax 3 E1.3N provide controlled switching and protection for low-voltage electrical distribution systems. The electronic Ekip Aware release monitors electrical conditions and provides configurable protection against overload and short-circuit events.
The ABB 1SDA125311R1 combines a 630 A current rating with three-pole construction and Ekip Aware LI protection. Its E1.3N class provides a 66 kA short-circuit breaking capacity at 400 V AC, making the breaker suitable for demanding distribution installations where high fault-current interruption capability is required.
Typical Applications
- Low-voltage main distribution systems.
- Transformer and generator protection.
- Industrial electrical switchboards.
- Commercial power distribution installations.
- Feeder and installation protection.
- ABB SACE Emax 3 withdrawable switchgear assemblies.
