Why Choose the ABB Emax 3 E2.3H 1600 Ekip Aware LSI 4p FHR?
The ABB 1SDA125120R1 is an Emax 3 E2.3H 1600 air circuit breaker designed for high-performance low-voltage power distribution protection in demanding industrial and commercial installations. This four-pole fixed circuit breaker combines a 1600 A rated current with an Ekip Aware LSI electronic release for reliable long-time, short-time and instantaneous overcurrent protection.
With its E2.3H high-breaking-capacity class, rear-mounted horizontal terminals and fixed construction, the 1SDA125120R1 provides a robust solution for switchboards, distribution systems and other high-current electrical installations where dependable circuit interruption is 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
- 1600 A rated current for high-current low-voltage distribution applications
- Four-pole configuration for comprehensive circuit control
- Ekip Aware LSI electronic release for long-time, short-time and instantaneous protection
- High-performance E2.3H breaking capacity class
- Fixed installation format for straightforward switchboard integration
- Rear-mounted horizontal terminals for practical panel connections
- 100 kA rated ultimate short-circuit breaking capacity at 440 V AC
- 85 kA short-time withstand current for 1 s
Key Features
- ABB SACE Emax 3 E2.3H air circuit breaker
- Order code: 1SDA125120R1
- Rated current: 1600 A
- Four-pole fixed construction
- Ekip Aware LSI electronic protection release
- Long-time, short-time and instantaneous protection functions
- Rear-mounted horizontal connection terminals
- Four auxiliary contacts for control and monitoring integration
- Open/closed contact position indication
Reliable High-Current Power Distribution Protection
The ABB Emax 3 E2.3H 1600 is designed to provide dependable protection and switching for high-current low-voltage electrical distribution systems. Its Ekip Aware LSI release provides long-time overload, short-time and instantaneous protection functions to help safeguard conductors, switchgear and connected equipment against damaging overcurrents.
The four-pole fixed construction and rear horizontal terminals make the 1SDA125120R1 suitable for integration into suitably designed distribution boards and switchboards. Its high short-circuit performance makes the E2.3H platform suitable for installations where demanding fault levels require robust circuit protection.
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 high short-circuit protection
