Why Choose the ABB 1SDA126060R1?
The ABB 1SDA126060R1 is an SACE Emax 3 E2.3S 250 A air circuit breaker equipped with an Ekip Aware LSI electronic trip unit and a 4-pole configuration. Designed for dependable low-voltage power distribution and system protection, it combines adjustable long-time, short-time and instantaneous protection functions with ABB's Emax 3 platform.
With a rated uninterrupted current of 250 A, the E2.3S 250 provides reliable protection against overloads and short-circuit conditions. Its LSI protection configuration allows the long-time, short-time and instantaneous protection thresholds to be adjusted to suit different electrical installation requirements.
The 1SDA126060R1 is supplied in WMP configuration as the mobile part of a compatible withdrawable circuit breaker assembly, providing a practical solution for switchboards where controlled withdrawal supports inspection, maintenance and replacement operations.
Key Advantages
- ABB SACE Emax 3 E2.3S platform for low-voltage power distribution
- 250 A rated uninterrupted current for dependable circuit protection
- Ekip Aware LSI electronic trip unit with adjustable protection functions
- 4-pole configuration for three-phase systems requiring neutral switching and protection
- Rated ultimate short-circuit breaking capacity of 85 kA at 440 V
- Rated short-time withstand current of 66 kA for 1 s
- WMP mobile-part configuration for compatible withdrawable Emax 3 assemblies
- Withdrawable construction supports convenient inspection, servicing and replacement
Key Features
- Manufacturer: ABB
- Order code: 1SDA126060R1
- Product family: SACE Emax 3
- Breaker type: E2.3S 250
- Trip unit: Ekip Aware LSI
- Protection functions: Long-time, short-time and instantaneous protection
- Number of poles: 4
- Configuration: WMP mobile part
- Rated uninterrupted current: 250 A
- Installation type: Withdrawable
- Optional motorised operation available
Reliable Emax 3 Protection for Power Distribution
The ABB E2.3S 250 combines a robust air circuit breaker platform with the Ekip Aware LSI electronic trip unit. This provides adjustable protection against overloads, short-time fault currents and high short-circuit currents while supporting flexible protection coordination within low-voltage distribution systems.
The WMP configuration of the 1SDA126060R1 is designed as the mobile part of a compatible withdrawable assembly, making it suitable for installations where controlled breaker withdrawal can simplify servicing, inspection and equipment replacement.
Typical Applications
- Low-voltage power distribution systems
- Withdrawable electrical switchboards
- Main and sub-main distribution boards
- Industrial electrical switchboards
- Transformer protection applications
- Generator and electrical system protection
- Commercial building distribution systems
- Infrastructure and industrial power systems
