Why Choose the ABB 1SDA125874R1 Emax 3 E6.3H/f 6300 Ekip Aware LSI 4p WMP?
The ABB 1SDA125874R1 is a high-performance SACE Emax 3 air circuit breaker designed for reliable protection and control of high-current low-voltage electrical distribution systems. As part of the advanced ABB Emax 3 E6.3H/f series, it combines a 6300 A current rating with Ekip Aware electronic protection and a withdrawable moving-part configuration for demanding power distribution applications.
This circuit breaker incorporates an Ekip Aware LSI electronic trip unit providing long-time, short-time and instantaneous protection functions for dependable circuit protection. The E6.3H/f platform is engineered for high-performance applications where high short-circuit breaking and withstand capability are required.
With a rated current of 6300 A, four poles and an Icu of 100 kA at 440 V AC, the 1SDA125874R1 is suited to high-capacity electrical distribution systems. Its WMP configuration identifies the moving portion of a withdrawable Emax 3 circuit breaker, enabling practical installation and maintenance within compatible switchgear assemblies.
Key Advantages
- High-capacity ABB Emax 3 air circuit breaker for power distribution.
- 6300 A rated current for high-load electrical systems.
- Four-pole configuration with full-size neutral for comprehensive circuit switching and protection.
- Ekip Aware LSI electronic protection with long-time, short-time and instantaneous functions.
- 100 kA short-circuit breaking capacity at 440 V AC.
- 100 kA short-time withstand current for 1 s.
- Withdrawable WMP moving-part configuration for compatible Emax 3 switchgear.
Key Features
- ABB SACE Emax 3 E6.3H/f series.
- 6300 A rated current.
- Four-pole configuration with full-size neutral.
- Ekip Aware LSI electronic trip unit.
- Long-time, short-time and instantaneous protection functions.
- 100 kA ultimate short-circuit breaking capacity at 440 V AC.
- 100 kA short-time withstand current for 1 s.
- WMP withdrawable moving-part configuration.
Reliable Protection for High-Capacity Power Distribution
Air circuit breakers such as the ABB Emax 3 1SDA125874R1 provide dependable protection for high-current electrical distribution networks. The electronic Ekip Aware LSI release provides long-time, short-time and instantaneous protection to help protect conductors and connected equipment against overload and short-circuit conditions.
The E6.3H/f platform is designed for demanding low-voltage power distribution applications requiring high interrupting and short-time withstand capabilities. Its withdrawable moving-part arrangement supports practical switchgear installation, inspection and maintenance when used with the appropriate compatible fixed assembly.
Typical Applications
- Low-voltage main distribution switchboards.
- High-current industrial power distribution systems.
- Transformer, generator and installation protection.
- Commercial and infrastructure electrical installations.
- Industrial plants and manufacturing facilities.
- High-capacity power distribution and switchgear assemblies.
