Why Choose the ABB E2.3S 2500 Ekip Aware LSI 3p FHR?
The ABB 1SDA124878R1 is a high-capacity SACE Emax 3 air circuit breaker (ACB) designed for reliable protection and switching of low-voltage electrical distribution systems. As part of the advanced ABB Emax 3 circuit breaker range, it combines a 2500 A rating with an electronic Ekip Aware release and LSI protection functions for demanding industrial and commercial power distribution applications.
This circuit breaker features a three-pole fixed configuration with rear-mounted horizontal terminals, providing a robust solution for high-current switchboards and distribution assemblies. The integrated Ekip Aware electronic release provides adjustable protection parameters, helping engineers configure the breaker to suit the requirements of the electrical installation.
With a rated current of 2500 A, the E2.3S 2500 is suited to high-power distribution applications where dependable overload and short-circuit protection is required. Its fixed construction, rear horizontal connection arrangement and four auxiliary contacts support straightforward integration into electrical switchgear and control systems.
Key Advantages
- High-capacity ABB SACE Emax 3 air circuit breaker for low-voltage power distribution.
- 2500 A rated current for high-power electrical distribution systems.
- Three-pole fixed configuration for robust switchboard installation.
- Integrated Ekip Aware electronic release with LSI protection functions.
- Adjustable protection settings for flexible system coordination.
- Rear horizontal terminals simplify integration into compatible switchgear assemblies.
- Four auxiliary contacts provide additional signalling and control capability.
Key Features
- ABB SACE Emax 3 air circuit breaker.
- E2.3S 2500 Ekip Aware LSI 3p FHR configuration.
- 2500 A rated current.
- Three-pole fixed construction.
- Ekip Aware electronic release.
- LSI protection for long-time, short-time and instantaneous overcurrent protection.
- Adjustable long-time protection setting from 1000–2500 A.
- Adjustable instantaneous protection setting from 3750–37500 A.
- Rear-mounted horizontal main terminals.
- Four auxiliary contacts.
- Open/closed circuit-breaker position indication.
Reliable High-Current Power Distribution
The ABB E2.3S 2500 provides dependable circuit protection for high-current electrical distribution systems. Its Ekip Aware electronic release combines adjustable protection parameters with the LSI protection scheme, allowing the breaker to be configured according to the requirements of the connected distribution network.
The fixed three-pole construction and rear horizontal terminal arrangement make the breaker suitable for integration into compatible switchboards and electrical distribution assemblies. Four auxiliary contacts and open/closed position indication also support monitoring, signalling and control functions within modern power distribution systems.
Typical Applications
- Industrial low-voltage distribution switchboards.
- Commercial electrical distribution systems.
- High-current power distribution assemblies.
- Manufacturing plants and industrial facilities.
- Large electrical control and switchgear panels.
- Infrastructure and building power distribution systems.
- Electrical systems requiring adjustable LSI circuit protection.
