Why Choose the ABB 1SDA124837R1 Emax 3 Air Circuit Breaker?
The ABB 1SDA124837R1 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 E2.3N series, it combines robust circuit protection with intelligent Ekip Aware electronic release technology for modern power distribution applications.
This circuit breaker features a 1600 A rated current, three-pole fixed configuration and LI protection functions for overload and short-circuit protection. Its rear horizontal terminals provide a practical connection arrangement for installation within low-voltage switchboards and electrical distribution assemblies.
The E2.3N 1600 Ekip Aware LI configuration provides a 66 kA rated short-circuit breaking capacity at 400 V AC, supporting reliable protection in high-current industrial and commercial electrical systems. The breaker also includes four auxiliary contacts and an open/closed circuit-breaker position indication.
Key Advantages
- High-capacity ABB SACE Emax 3 air circuit breaker for low-voltage power distribution.
- 1600 A rated current suitable for high-current electrical installations.
- Three-pole fixed configuration for straightforward switchboard integration.
- LI electronic protection provides overload and instantaneous short-circuit protection.
- 66 kA short-circuit breaking capacity at 400 V AC for demanding distribution applications.
- Rear horizontal terminals provide a practical connection arrangement.
- Ekip Aware electronic release supports intelligent monitoring and protection functionality.
- Four auxiliary contacts provide additional status and control signalling.
Key Features
- ABB SACE Emax 3 E2.3N series.
- 1600 A rated permanent current.
- Three-pole fixed circuit-breaker configuration.
- Ekip Aware LI electronic release.
- LI overload and instantaneous short-circuit protection.
- 66 kA rated short-circuit breaking capacity at 400 V AC.
- Rear horizontal main circuit terminals.
- Four auxiliary contacts for additional signalling and control.
- 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 E2.3N provide dependable protection and switching for high-current low-voltage electrical distribution systems. The electronic Ekip Aware release continuously manages the configured protection functions, helping protect conductors and connected equipment against damaging overload and short-circuit conditions.
The fixed three-pole construction and rear horizontal terminal arrangement make the 1SDA124837R1 suitable for integration into switchboards, distribution panels and industrial power systems. Its Ekip Aware architecture also supports the monitoring and intelligent management capabilities associated with the Emax 3 platform.
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.
- Large-scale electrical distribution assemblies.
