Why Choose the ABB Emax 3 E2.3B 2000 Ekip Aware LI 4p FHR?
The ABB 1SDA125124R1 is an Emax 3 E2.3B 2000 air circuit breaker designed for reliable low-voltage power distribution protection in demanding industrial and commercial installations. This four-pole fixed circuit breaker combines a 2000 A rated current with an Ekip Aware LI electronic release for dependable long-time overload and instantaneous short-circuit protection.
With its E2.3B breaking-capacity class, rear-mounted horizontal terminals and fixed construction, the 1SDA125124R1 provides a robust solution for switchboards, distribution systems and other high-current electrical installations where controlled interruption and reliable circuit protection are essential.
As part of the ABB SACE Emax 3 platform, this circuit breaker combines high-current switching capability with electronic protection and intelligent functionality for modern low-voltage power distribution systems.
Key Advantages
- 2000 A rated current for high-current low-voltage distribution applications
- Four-pole configuration for comprehensive circuit control
- Ekip Aware LI electronic release for long-time and instantaneous protection
- Fixed installation format for straightforward switchboard integration
- Rear-mounted horizontal terminals for practical panel connections
- 42 kA rated ultimate short-circuit breaking capacity at 440 V AC
- 42 kA short-time withstand current for 1 s
- Four auxiliary contacts for integration with control and monitoring systems
Key Features
- ABB SACE Emax 3 E2.3B air circuit breaker
- Order code: 1SDA125124R1
- Rated current: 2000 A
- Four-pole fixed construction
- Ekip Aware LI electronic protection release
- Long-time and instantaneous protection functions
- Long-time current setting: 800–2000 A
- Instantaneous current setting: 3000–30000 A
- Rear-mounted horizontal connection terminals
- Four auxiliary contacts
- Open/closed contact position indication
Reliable High-Current Power Distribution Protection
The ABB Emax 3 E2.3B 2000 is designed to provide dependable protection and switching for high-current low-voltage electrical distribution systems. Its Ekip Aware LI release provides long-time overload and instantaneous short-circuit protection to help safeguard conductors, switchgear and connected equipment against damaging overcurrents.
The four-pole fixed construction and rear horizontal terminals make the 1SDA125124R1 suitable for integration into suitably designed distribution boards and switchboards. Its 2000 A rating provides substantial current-handling capability for high-demand distribution applications.
Typical Applications
- Low-voltage main distribution switchboards
- Industrial electrical distribution systems
- Commercial building power distribution
- Manufacturing and processing facilities
- High-current feeder protection
- Electrical infrastructure and plant distribution boards
- Power distribution panels requiring four-pole circuit protection
