Why Choose the ABB 1SDA125230R1?
The ABB 1SDA125230R1 is an Emax 3 E6.3V 5000 Ekip Aware LSI 4-pole FHR air circuit breaker designed for high-current protection and switching in demanding low-voltage power distribution systems. With a 5000 A rated current, this fixed circuit breaker provides dependable protection for high-capacity electrical installations.
Featuring an Ekip Aware LSI electronic release, the 1SDA125230R1 combines long-time, short-time and instantaneous overcurrent protection functions. The configurable protection architecture helps coordinate the circuit breaker with the wider electrical distribution system while supporting reliable operation under demanding load conditions.
As part of ABB's SACE Emax 3 range, the 1SDA125230R1 is engineered for high-capacity switchboards, industrial power distribution and other applications requiring robust circuit protection. Its E6.3V 5000 frame, four-pole construction and FHR configuration make it suitable for demanding main and feeder protection duties.
Key Advantages
- 5000 A rated current: Designed for high-capacity low-voltage power distribution applications.
- Ekip Aware LSI protection: Combines long-time, short-time and instantaneous overcurrent protection functions.
- Four-pole configuration: Provides four-pole circuit switching and protection for compatible distribution systems.
- High short-circuit performance: Provides a 150 kA ultimate short-circuit breaking capacity at 440 V.
- 100 kA short-time withstand: Supports selective coordination in high-current distribution systems with a 1 s short-time withstand rating.
- Fixed FHR configuration: Suitable for compatible switchboards and power distribution assemblies.
- Emax 3 platform: Part of ABB's SACE Emax 3 family of low-voltage air circuit breakers.
Key Features
- ABB SACE Emax 3 air circuit breaker
- E6.3V frame size
- 5000 A rated current
- Ekip Aware LSI electronic release
- Long-time, short-time and instantaneous protection functions
- Four-pole construction
- Fixed FHR configuration
- 150 kA ultimate short-circuit breaking capacity at 440 V
- 100 kA short-time withstand current for 1 s
- Designed for low-voltage power distribution applications
High-Capacity Power Distribution Protection
The ABB 1SDA125230R1 is designed for high-current electrical distribution systems where dependable protection, switching and fault management are essential. Its 5000 A rating and E6.3V frame make it suitable for high-capacity main distribution and feeder applications, while the Ekip Aware LSI release provides long-time, short-time and instantaneous protection functions. The four-pole fixed FHR configuration is suited to compatible switchboards and distribution assemblies used across industrial and commercial power infrastructure.
Typical Applications
- High-capacity low-voltage switchboards
- Main incomer circuit protection
- Industrial power distribution systems
- High-current feeder protection
- Commercial electrical distribution installations
- Power generation and distribution infrastructure
- Transformer and generator distribution systems
- Industrial electrical equipment assemblies
