ABB 1SDA124838R1 E2.3N 1600 Ekip Aware LSI 3P FHR Air Circuit Breaker
The ABB 1SDA124838R1 is an Emax 3 E2.3N 1600 air circuit breaker featuring an Ekip Aware LSI electronic trip unit, three-pole fixed construction and rear horizontal connections for dependable low-voltage power distribution.
With a rated current of 1600 A and a rated voltage of up to 690 V AC, this SACE Emax 3 circuit breaker provides long-time, short-time and instantaneous protection for demanding industrial and commercial electrical distribution systems.
The fixed FHR configuration includes rear-mounted horizontal terminals, four auxiliary contacts and an IP30 protection rating, making the ABB 1SDA124838R1 suitable for high-capacity feeder protection, main distribution boards and compatible low-voltage switchboards.
Key Advantages
- 1600 A rated current for high-capacity power distribution.
- Ekip Aware electronic trip unit with LSI protection functions.
- Three-pole fixed configuration for straightforward switchboard installation.
- 66 kA interrupting capability at 440 V AC.
- 66 kA short-time withstand capability for 1 s.
- Rear horizontal terminal arrangement for practical panel integration.
- Four auxiliary contacts for additional control and signalling functions.
Key Features
- ABB SACE Emax 3 E2.3N air circuit breaker.
- Order code: 1SDA124838R1.
- Ekip Aware LSI electronic release.
- Long-time, short-time and instantaneous protection functions.
- 1600 A rated current.
- 690 V AC rated voltage.
- 3-pole fixed construction.
- Rear horizontal terminal configuration.
- Four auxiliary contacts.
- Open/closed position indication.
- IP30 protection rating.
High-Capacity Electronic Circuit Protection
The ABB 1SDA124838R1 combines the Emax 3 E2.3N platform with Ekip Aware LSI electronic protection to provide controlled interruption and protection for high-current distribution circuits. Its LSI protection arrangement addresses overload and short-circuit conditions through configurable long-time, short-time and instantaneous functions.
The 1600 A frame is designed for high-capacity low-voltage distribution, while the fixed three-pole construction and rear horizontal terminals support integration into compatible switchboards. The 66 kA interrupting and short-time withstand ratings provide a robust protection capability for demanding electrical distribution environments.
Typical Applications
- Main low-voltage distribution boards.
- Industrial power distribution systems.
- Commercial electrical switchboards.
- High-current feeder protection.
- Manufacturing and process installations.
- Infrastructure and building power systems.
- Power distribution and electrical protection assemblies.
