Why Choose the ABB 1SDA125029R1 Emax 3 E1.3B 1250 Circuit Breaker?
The ABB 1SDA125029R1 is a fixed four-pole low-voltage air circuit breaker (ACB) from the ABB SACE Emax 3 E1.3B series, designed for reliable protection and control of electrical distribution systems. It combines a 1250 A rated current with an integrated Ekip Aware LI electronic trip unit for dependable overcurrent and short-circuit protection in industrial and commercial switchboards.
The E1.3B platform provides a robust air circuit breaker solution for low-voltage power distribution, with fixed installation and front terminals for straightforward switchboard integration. The Ekip Aware trip unit provides electronic protection functions with adjustable current settings, supporting accurate protection coordination within electrical distribution systems.
With a 1250 A rated current, four-pole configuration and fixed mounting arrangement, the ABB 1SDA125029R1 is suited to applications where dependable circuit protection, switching and electrical distribution control are required. The Emax 3 design supports modern low-voltage distribution architectures and demanding industrial installations.
Key Advantages
- High-capacity ABB SACE Emax 3 air circuit breaker for low-voltage power distribution.
- 1250 A rated current for high-current electrical distribution applications.
- Four-pole configuration for comprehensive circuit switching and protection.
- Integrated Ekip Aware LI electronic trip unit for overcurrent protection.
- Fixed installation with front terminals for practical switchboard integration.
- Adjustable protection settings support effective coordination with downstream protection devices.
- Designed for industrial, commercial and infrastructure electrical distribution systems.
Key Features
- ABB SACE Emax 3 E1.3B series.
- 1250 A rated current.
- Four-pole (4P) configuration.
- Ekip Aware LI electronic trip unit.
- Fixed circuit breaker construction.
- Front terminal connection arrangement.
- Adjustable long-time and instantaneous protection settings.
- Electronic solid-state protection technology.
- Suitable for low-voltage AC electrical distribution systems.
Reliable Protection for Low-Voltage Power Distribution
Air circuit breakers such as the ABB Emax 3 E1.3B provide high-current switching and protection for electrical distribution systems. By combining robust switching technology with an electronic trip unit, the circuit breaker can detect abnormal current conditions and disconnect the protected circuit when configured protection thresholds are exceeded.
The Ekip Aware LI trip unit provides electronic long-time and instantaneous protection functions. Adjustable settings allow the protection characteristics to be matched to the requirements of the electrical installation, helping engineers achieve suitable discrimination and coordination with other protective devices.
Typical Applications
- Low-voltage main distribution switchboards.
- Industrial power distribution systems.
- Commercial electrical distribution installations.
- Manufacturing facilities and production plants.
- Infrastructure and building electrical systems.
- High-current feeder and incoming circuit protection.
- Power distribution panels and switchgear assemblies.
