Why Choose the ABB SACE Emax 3 E1.3B 1250 1SDA128930R1 Air Circuit Breaker?
The ABB SACE Emax 3 E1.3B 1250 1SDA128930R1 is a high-performance air circuit breaker (ACB) designed for reliable protection, switching and monitoring of low-voltage electrical distribution systems. As part of the advanced ABB SACE Emax 3 series, this circuit breaker combines intelligent protection technology with robust construction for demanding industrial and infrastructure applications.
This withdrawable-version moving part (WMP) air circuit breaker is equipped with an Ekip Aware LSIG trip unit, providing advanced protection functions including long-time, short-time, instantaneous and ground fault protection. The moving part is designed for installation with the compatible fixed part, which is ordered separately.
With a rated current of 1250 A, a 3-pole configuration and an Icu breaking capacity of 42 kA at 415 V AC, the ABB SACE Emax 3 E1.3B 1250 provides dependable circuit protection for low-voltage electrical systems requiring flexible withdrawable switchgear architecture and reliable short-circuit interruption.
Key Advantages
- SACE Emax 3 air circuit breaker technology for advanced low-voltage protection.
- 1250 A rated current suitable for industrial and commercial electrical distribution applications.
- 42 kA breaking capacity at 415 V AC for dependable short-circuit protection.
- Ekip Aware LSIG trip unit for comprehensive electrical protection.
- Withdrawable moving part (WMP) for flexible switchboard operation and maintenance.
- Fixed part ordered separately for completion of the withdrawable installation.
- Designed for reliable operation in demanding electrical environments.
Key Features
- ABB SACE Emax 3 series low-voltage air circuit breaker.
- E1.3B frame size with 1250 A rated current.
- 3-pole withdrawable version configuration.
- Moving part only (WMP); the fixed part is ordered separately.
- Ekip Aware LSIG trip unit for intelligent circuit protection.
- 42 kA Icu at 415 V AC short-circuit breaking capability.
- Supports modern power management and electrical protection requirements.
- Suitable for advanced low-voltage distribution systems.
Reliable Protection for Modern Power Distribution
The ABB SACE Emax 3 range combines advanced electronic trip technology with reliable air circuit breaker performance to protect electrical installations against overloads and short-circuit faults. These breakers provide dependable switching and monitoring capabilities for modern low-voltage power networks.
The integrated Ekip Aware LSIG trip unit enables precise protection management and improved system awareness, supporting engineers in designing secure and efficient electrical distribution solutions. The withdrawable Emax 3 configuration also supports practical equipment isolation and maintenance when installed with the appropriate fixed part.
Typical Applications
- Industrial low-voltage switchboards.
- Withdrawable power distribution switchgear.
- Manufacturing plants and production facilities.
- Commercial and infrastructure electrical systems.
- Energy management and monitoring installations.
- Industrial automation and critical power applications.
