Why Choose the ABB 1SDA124852R1 Emax 3 Air Circuit Breaker?
The ABB 1SDA124852R1 is a high-capacity SACE Emax 3 air circuit breaker designed for reliable protection and switching of low-voltage electrical distribution systems. As part of the ABB Emax 3 E2.3B series, it combines a 2000 A current rating with an integrated Ekip Aware electronic release and LI protection functions for demanding industrial and commercial power distribution applications.
This circuit breaker provides overload and instantaneous short-circuit protection, helping protect electrical installations and connected equipment against excessive current conditions. Its fixed configuration and rear connection arrangement make it suitable for integration into appropriately designed low-voltage switchboards and distribution assemblies.
With a 2000 A rated current, 690 V AC rated voltage and three-pole construction, the E2.3B 2000 is suited to high-current feeders and main distribution applications. The FHR configuration provides fixed installation with rear horizontal connections, supporting practical integration into industrial switchgear and electrical distribution equipment.
Key Advantages
- High-capacity 2000 A air circuit breaker for low-voltage power distribution.
- Ekip Aware electronic release provides integrated electronic protection functionality.
- LI protection combines overload and instantaneous short-circuit protection.
- 690 V AC rated voltage for demanding low-voltage distribution systems.
- Three-pole fixed configuration for robust switchboard integration.
- Rear horizontal connection arrangement suitable for fixed switchgear installations.
- Designed for high-current industrial, commercial and infrastructure distribution systems.
Key Features
- ABB SACE Emax 3 E2.3B series.
- 2000 A rated permanent current.
- Ekip Aware electronic release.
- LI protection functions for overload and instantaneous short-circuit protection.
- Three-pole construction.
- Fixed installation configuration.
- Rear horizontal connection configuration, designated FHR.
- 690 V AC rated voltage.
- 42 kA rated ultimate short-circuit breaking capacity at 415 V AC.
- IP30 protection rating.
Reliable High-Current Power Distribution Protection
The ABB Emax 3 E2.3B platform is designed for high-current low-voltage distribution where dependable switching and circuit protection are required. The Ekip Aware release monitors electrical conditions and provides LI protection, with the long-time overload function helping protect conductors and equipment from sustained excessive current while instantaneous protection responds to high short-circuit currents.
The fixed three-pole construction and rear horizontal connection arrangement of the 1SDA124852R1 make it suitable for integration into purpose-designed switchboards and power distribution assemblies. Its 2000 A rating provides substantial current-carrying capacity for high-demand feeders and distribution circuits.
Typical Applications
- Low-voltage main distribution switchboards.
- Industrial power distribution systems.
- High-current feeder protection.
- Commercial building electrical distribution.
- Industrial plants and manufacturing facilities.
- Infrastructure and utility power distribution assemblies.
- High-capacity electrical switchgear and panel systems.
