ABB Emax 3 E2.3N 1000 Ekip Aware LSI 4-Pole Fixed Air Circuit Breaker – 1SDA125075R1
The ABB 1SDA125075R1 is an Emax 3 E2.3N air circuit breaker rated at 1000 A, featuring four poles, a fixed configuration and horizontal rear terminals. It is equipped with an Ekip Aware LSI electronic trip unit for comprehensive long-time, short-time and instantaneous overcurrent protection.
Designed for low-voltage power distribution systems, this ABB circuit breaker provides dependable protection and switching for demanding industrial and commercial electrical installations. The Ekip Aware release combines advanced electronic protection functions with monitoring capabilities for improved visibility of electrical system performance.
The E2.3N platform provides a 66 kA short-circuit breaking capacity at 440 V AC, making the 1SDA125075R1 suitable for high-current distribution applications where reliable circuit protection and coordinated system operation are required.
Key Advantages
- 1000 A rated current for high-capacity low-voltage distribution.
- Four-pole configuration for comprehensive three-phase and neutral circuit protection.
- Ekip Aware LSI electronic trip unit with long-time, short-time and instantaneous protection functions.
- Fixed installation configuration for straightforward integration into switchboards and distribution assemblies.
- Horizontal rear terminal arrangement for practical switchboard connection.
- 66 kA rated short-circuit breaking capacity at 440 V AC.
- Part of the ABB SACE Emax 3 family of low-voltage air circuit breakers.
Key Features
- Manufacturer: ABB
- Series: SACE Emax 3
- Breaker type: E2.3N air circuit breaker
- Rated current: 1000 A
- Number of poles: 4
- Trip unit: Ekip Aware LSI electronic release
- Protection functions: Long-time, short-time and instantaneous overcurrent protection
- Mounting configuration: Fixed
- Terminal configuration: Horizontal rear terminals
- Rated ultimate short-circuit breaking capacity: 66 kA at 440 V AC
Reliable Protection for Low-Voltage Power Distribution
The ABB Emax 3 E2.3N 1000 Ekip Aware LSI combines high-current switching capability with electronically controlled protection. Its LSI protection arrangement provides long-time protection against sustained overloads, short-time protection for selective coordination and instantaneous protection for rapid response to severe fault currents.
With a 1000 A rating, four-pole construction and fixed horizontal rear terminal configuration, the 1SDA125075R1 is suited to integration within main distribution boards, industrial switchboards and other high-capacity low-voltage power distribution equipment.
Typical Applications
- Industrial low-voltage power distribution
- Main and sub-main distribution switchboards
- Commercial building electrical distribution
- Manufacturing and process facilities
- High-capacity industrial control and power panels
- Electrical infrastructure requiring four-pole circuit protection
- Low-voltage distribution assemblies requiring electronic LSI protection
