ABB 1SDA124823R1 Emax 3 E2.3S 1250 Ekip Aware LSI 3p FHR
The ABB 1SDA124823R1 is an Emax 3 E2.3S air circuit breaker rated at 1250 A, featuring an Ekip Aware LSI electronic trip unit and a fixed three-pole configuration for reliable high-capacity low-voltage power distribution and protection.
Designed for demanding industrial and commercial installations, this Emax 3 circuit breaker provides adjustable long-time, short-time and instantaneous protection, with an I1 setting range of 500–1250 A and an I3 setting range of 1875–18750 A.
With a service voltage of up to 690 V AC, an ultimate short-circuit breaking capacity of 85 kA and rear-mounted horizontal terminals, the 1SDA124823R1 provides a robust solution for high-performance switchboards and distribution assemblies.
Key Advantages
- ABB Emax 3 E2.3S air circuit breaker for demanding low-voltage distribution systems
- 1250 A rated current for high-capacity power distribution applications
- Three-pole fixed construction for dependable installation and operation
- Ekip Aware LSI electronic protection with adjustable long-time, short-time and instantaneous thresholds
- 85 kA ultimate short-circuit breaking capacity for high-performance protection
- Suitable for systems operating at up to 690 V AC
- Rear-mounted horizontal terminals for practical switchboard integration
- Four auxiliary contacts for monitoring and control functions
- IP30 degree of protection for the circuit breaker assembly
Key Features
- Product series: ABB Emax 3 E2.3S
- Model: E2.3S 1250 Ekip Aware LSI 3p FHR
- Electronic trip unit: Ekip Aware LSI
- Rated current: 1250 A
- Number of poles: 3
- Installation: Fixed
- Terminal configuration: Rear-mounted horizontal terminals
- Connection: Bolt connection
- Auxiliary contacts: 4
- Open/closed position indication
Advanced Electronic Protection for High-Capacity Low-Voltage Distribution
The ABB Emax 3 E2.3S 1250 Ekip Aware LSI 3p FHR combines high current capacity with comprehensive electronic protection for demanding low-voltage electrical systems. Its LSI protection functions provide adjustable long-time overload, short-time short-circuit and instantaneous short-circuit protection, allowing the breaker to be configured to suit the characteristics of the installation.
The E2.3S frame is designed for high-performance power distribution and short-circuit protection. The fixed three-pole construction with rear-mounted horizontal terminals supports straightforward integration into compatible switchboards and distribution assemblies.
Typical Applications
- Industrial power distribution
- Commercial electrical distribution systems
- Main and sub-main switchboards
- High-capacity feeder protection
- Industrial machinery power supplies
- Generator and transformer protection applications
- Low-voltage distribution panels
- Infrastructure and building power systems
