Why Choose the ABB E6.3X 4000 Ekip Aware LSI 3p WMP?
The ABB 1SDA125537R1 is a high-capacity SACE Emax 3 air circuit breaker configured as an E6.3X 4000 Ekip Aware LSI three-pole WMP unit. With a 4000 A rated current and Ekip Aware electronic release, it is designed for dependable protection and switching in demanding low-voltage power distribution systems.
The LSI protection configuration combines long-time, short-time and instantaneous overcurrent protection, providing adjustable protection characteristics for high-current distribution applications. The E6.3X frame offers a high level of short-circuit interruption and short-time withstand capability for demanding electrical installations.
As part of the ABB SACE Emax 3 family, the 1SDA125537R1 is designed for integration into compatible withdrawable switchgear assemblies. Its three-pole configuration and 4000 A rating make it suitable for main distribution, high-current feeder protection and critical industrial power systems.
Key Advantages
- 4000 A rated current for high-capacity electrical distribution.
- E6.3X frame for demanding low-voltage power distribution duties.
- Ekip Aware electronic release for advanced circuit protection.
- LSI protection combines long-time, short-time and instantaneous overcurrent functions.
- Three-pole configuration for three-phase distribution systems.
- WMP configuration for integration into compatible Emax 3 withdrawable assemblies.
- 150 kA short-circuit breaking capacity at 440 V for demanding fault-protection requirements.
- 120 kA short-time withstand current for 1 s supports high-performance selective protection schemes.
Key Features
- ABB SACE Emax 3 air circuit breaker.
- Model: E6.3X 4000 Ekip Aware LSI 3p WMP.
- Order code: 1SDA125537R1.
- Rated current: 4000 A.
- Three-pole construction.
- Ekip Aware electronic release.
- LSI protection functions.
- WMP withdrawable configuration.
- E6.3X high-performance breaker frame.
High-Capacity Protection for Industrial Power Distribution
The ABB E6.3X 4000 Ekip Aware LSI 3p WMP is engineered for installations where high continuous current capability and exceptional fault-interruption performance are essential. Its 4000 A rating and E6.3X frame make it suitable for high-power feeders, main distribution sections and demanding industrial switchboards.
The Ekip Aware LSI release provides long-time, short-time and instantaneous protection functions, supporting dependable protection and selective coordination of high-current distribution circuits. Combined with the Emax 3 platform and WMP configuration, the 1SDA125537R1 is suited to modern low-voltage switchgear and critical power distribution equipment.
Typical Applications
- Industrial low-voltage power distribution.
- Main switchboards and distribution boards.
- High-current feeder protection.
- Industrial manufacturing facilities.
- Commercial and infrastructure power systems.
- Power-intensive electrical installations.
- Critical distribution and withdrawable switchgear assemblies.
