ABB Emax 3 E2.3N 1250 Ekip Aware LI 4-Pole Fixed Air Circuit Breaker – 1SDA125089R1
The ABB 1SDA125089R1 is an Emax 3 E2.3N air circuit breaker rated at 1250 A, featuring four poles, a fixed configuration and horizontal rear terminals. It is equipped with an Ekip Aware LI electronic trip unit providing long-time and instantaneous overcurrent protection.
Designed for high-capacity low-voltage power distribution systems, this ABB circuit breaker combines robust switching capability with electronically controlled protection and intelligent monitoring functions. Its four-pole configuration provides comprehensive protection for three-phase circuits with neutral switching.
The E2.3N frame is suited to demanding industrial and commercial distribution applications where dependable circuit protection, high current capacity and intelligent electronic protection are required. The 1SDA125089R1 provides a practical fixed installation solution for main distribution boards and high-capacity switchboards.
Key Advantages
- 1250 A rated current for high-capacity low-voltage power distribution.
- Four-pole construction for comprehensive three-phase and neutral circuit protection.
- Ekip Aware LI electronic trip unit with long-time and instantaneous protection functions.
- Fixed installation configuration for straightforward integration into switchboards and distribution assemblies.
- Horizontal rear terminal arrangement for practical switchboard connections.
- E2.3N frame designed for demanding low-voltage distribution applications.
- Part of the ABB SACE Emax 3 family of intelligent air circuit breakers.
Key Features
- Manufacturer: ABB
- Series: SACE Emax 3
- Breaker type: E2.3N air circuit breaker
- Rated current: 1250 A
- Number of poles: 4
- Trip unit: Ekip Aware LI electronic release
- Protection functions: Long-time and instantaneous overcurrent protection
- Mounting configuration: Fixed
- Terminal configuration: Horizontal rear terminals
Reliable Protection for Low-Voltage Power Distribution
The ABB Emax 3 E2.3N 1250 Ekip Aware LI combines high-current switching capability with electronically controlled circuit protection. Its LI protection arrangement provides long-time protection against sustained overloads and instantaneous protection for rapid response to severe fault currents.
With a 1250 A rating, four-pole construction, fixed mounting and horizontal rear terminals, the 1SDA125089R1 can be integrated into main distribution boards, industrial switchboards and other high-capacity low-voltage electrical assemblies where reliable protection and intelligent monitoring are required.
Typical Applications
- Industrial low-voltage power distribution
- Main and sub-main distribution switchboards
- Commercial building electrical distribution
- Manufacturing and process facilities
- High-capacity industrial power panels
- Electrical infrastructure requiring four-pole circuit protection
- Low-voltage distribution assemblies requiring electronic LI protection
- High-current power distribution systems requiring fixed air circuit breakers
