Why Choose the ABB 1SDA125863R1?
The ABB 1SDA125863R1 is an Emax 3 E6.3V/f 5000 Ekip Aware LI 4-pole WMP air circuit breaker designed for high-capacity low-voltage power distribution and protection applications. With a 5000 A rated current and Ekip Aware LI electronic protection release, it provides advanced protection and monitoring capabilities for demanding electrical installations.
As part of the ABB SACE Emax 3 range, this 4-pole withdrawable moving part configuration is engineered for reliable operation in high-current distribution systems. The E6.3V/f 5000 frame combines high interruption performance with long-time and instantaneous protection functions for robust circuit protection.
The ABB 1SDA125863R1 provides a practical solution for switchboards, power distribution assemblies and industrial electrical systems where high current capacity, dependable protection and intelligent monitoring are required.
Key Advantages
- High 5000 A rated current for demanding low-voltage power distribution applications
- 4-pole configuration for comprehensive three-phase and neutral circuit protection
- Ekip Aware electronic release for intelligent protection and monitoring functionality
- LI protection configuration combining long-time and instantaneous protection functions
- E6.3V/f full-size Emax 3 platform designed for high-capacity distribution systems
- Withdrawable moving part configuration for use within compatible Emax 3 withdrawable assemblies
- High short-circuit interruption capability with up to 150 kA Icu at 440 V
- High short-time withstand capability of 100 kA for 1 s
- Suitable for demanding industrial and commercial power distribution installations
Key Features
- Manufacturer: ABB
- Order code: 1SDA125863R1
- Product family: SACE Emax 3
- Breaker type: E6.3V/f 5000 Ekip Aware LI
- Rated current: 5000 A
- Number of poles: 4
- Protection release: Ekip Aware
- Protection functions: LI
- Configuration: WMP
- Execution: Full-size withdrawable moving part
- High interruption rating: 150 kA at 440 V AC
- Short-time withstand current: 100 kA for 1 s
Reliable Emax 3 Protection for High-Current Systems
The ABB 1SDA125863R1 combines the high-current capability of the E6.3V/f Emax 3 platform with Ekip Aware electronic protection technology. Its LI protection arrangement is intended to provide dependable long-time and instantaneous circuit protection in high-capacity electrical distribution systems.
With a 5000 A rated current, 150 kA ultimate short-circuit breaking capacity at 440 V and 100 kA short-time withstand current for 1 s, the 1SDA125863R1 is suited to demanding switchgear and power distribution environments where high fault-current performance is required.
Typical Applications
- Industrial power distribution systems
- Large commercial electrical installations
- Main low-voltage switchboards
- High-capacity distribution boards
- Power generation and infrastructure installations
- Industrial process power systems
- Critical electrical distribution networks
- Switchgear assemblies requiring high-current Emax 3 protection
