Why Choose the ABB 1SDA124848R1 Emax 3 Air Circuit Breaker?
The ABB 1SDA124848R1 is a high-performance low-voltage air circuit breaker (ACB) designed for reliable protection and switching in demanding electrical distribution systems. As part of the advanced ABB SACE Emax 3 E2.3H series, it combines high short-circuit breaking capability with intelligent Ekip Aware electronic release technology for modern power distribution applications.
This circuit breaker features a 1600 A rated permanent current, three-pole fixed construction and LSI protection functions for overload, short-time and instantaneous short-circuit protection. Its rear horizontal connection arrangement provides a practical solution for integration into low-voltage switchboards and electrical distribution assemblies.
The E2.3H 1600 Ekip Aware LSI configuration provides a 100 kA rated short-circuit breaking capacity at 400–415 V AC. With adjustable protection settings and intelligent electronic monitoring, the breaker is suitable for industrial plants, commercial buildings, infrastructure and high-current distribution systems.
Key Advantages
- High-capacity ABB SACE Emax 3 air circuit breaker for low-voltage power distribution.
- 1600 A rated permanent current suitable for demanding electrical installations.
- Three-pole fixed configuration for straightforward switchboard integration.
- Ekip Aware LSI electronic protection provides overload and short-circuit protection.
- 100 kA short-circuit breaking capacity for installations with high fault levels.
- Rear horizontal connection arrangement for practical switchboard installation.
- Four auxiliary contacts provide additional signalling and control functions.
- Intelligent Emax 3 platform supports monitoring, communication and future system upgrades.
Key Features
- ABB SACE Emax 3 E2.3H series.
- 1600 A rated permanent current.
- Three-pole fixed circuit-breaker configuration.
- Ekip Aware LSI electronic release.
- 640–1600 A adjustable overload protection setting.
- 2400–24000 A adjustable instantaneous short-circuit setting.
- 100 kA rated short-circuit breaking capacity at 400–415 V AC.
- 690 V rated voltage.
- Rear horizontal main circuit connection.
- Bolt connection for the main circuit.
- Four auxiliary change-over contacts.
- Open/closed circuit-breaker position indication.
- IP30 protection rating.
- Approximate power loss of 136 W.
Reliable High-Current Power Distribution Protection
Air circuit breakers such as the ABB Emax 3 E2.3H provide dependable protection and switching for high-current low-voltage electrical distribution systems. The Ekip Aware electronic release manages the configured LSI protection functions, helping protect conductors and connected equipment against overload and short-circuit conditions.
The fixed three-pole construction and rear horizontal connection arrangement make the 1SDA124848R1 suitable for integration into switchboards, distribution panels and industrial power systems. The Emax 3 platform also supports advanced measurement, communication and predictive maintenance functions for modern electrical infrastructure.
Typical Applications
- Low-voltage main distribution switchboards.
- Industrial power distribution systems.
- Commercial building electrical distribution.
- High-current feeder protection.
- Industrial electrical panels and switchgear.
- Infrastructure and power management installations.
- High fault-level distribution assemblies.
